/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.mk.test;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Random;
import java.util.Set;
import org.apache.jackrabbit.mk.api.MicroKernelException;
import org.apache.jackrabbit.mk.test.util.TestInputStream;
import org.apache.jackrabbit.mk.util.MicroKernelInputStream;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Integration tests for verifying that a {@code MicroKernel} implementation
* obeys the contract of the {@code MicroKernel} API.
*/
@RunWith(Parameterized.class)
public class MicroKernelIT extends AbstractMicroKernelIT {
public MicroKernelIT(MicroKernelFixture fixture) {
super(fixture, 1);
}
@Override
protected void addInitialTestContent() {
mk.commit("/", "+\"test\" : {" +
"\"stringProp\":\"stringVal\"," +
"\"intProp\":42," +
"\"floatProp\":42.2," +
"\"booleanProp\": true," +
"\"multiIntProp\":[1,2,3]}", null, "");
}
@Test
public void revisionOps() {
String head = mk.getHeadRevision();
assertNotNull(head);
try {
Thread.sleep(100);
} catch (InterruptedException ignore) {
}
long now = System.currentTimeMillis();
// get history since 'now'
JSONArray array = parseJSONArray(mk.getRevisionHistory(now, -1, null));
// history should be empty since there was no commit since 'now'
assertEquals(0, array.size());
// get oldest available revision
array = parseJSONArray(mk.getRevisionHistory(0, 1, null));
// there should be exactly 1 revision
assertEquals(1, array.size());
long ts0 = System.currentTimeMillis();
final int NUM_COMMITS = 100;
// perform NUM_COMMITS commits
for (int i = 0; i < NUM_COMMITS; i++) {
mk.commit("/test", "+\"child" + i + "\":{}", null, "commit#" + i);
}
// get oldest available revision
array = parseJSONArray(mk.getRevisionHistory(ts0, -1, null));
// there should be exactly NUM_COMMITS revisions
assertEquals(NUM_COMMITS, array.size());
long previousTS = ts0;
for (int i = 0; i < NUM_COMMITS; i++) {
JSONObject rev = getObjectArrayEntry(array, i);
assertPropertyExists(rev, "id", String.class);
assertPropertyExists(rev, "ts", Long.class);
// verify commit msg
assertPropertyValue(rev, "msg", "commit#" + i);
// verify chronological order
long ts = (Long) resolveValue(rev, "ts");
assertTrue(previousTS <= ts);
previousTS = ts;
}
// last revision should be the current head revision
assertPropertyValue(getObjectArrayEntry(array, array.size() - 1), "id", mk.getHeadRevision());
String fromRev = (String) resolveValue(getObjectArrayEntry(array, 0), "id");
String toRev = (String) resolveValue(getObjectArrayEntry(array, array.size() - 1), "id");
// verify journal
array = parseJSONArray(mk.getJournal(fromRev, toRev, ""));
// there should be exactly NUM_COMMITS entries
assertEquals(NUM_COMMITS, array.size());
// verify that 1st and last rev match fromRev and toRev
assertPropertyValue(getObjectArrayEntry(array, 0), "id", fromRev);
assertPropertyValue(getObjectArrayEntry(array, array.size() - 1), "id", toRev);
previousTS = ts0;
for (int i = 0; i < NUM_COMMITS; i++) {
JSONObject rev = getObjectArrayEntry(array, i);
assertPropertyExists(rev, "id", String.class);
assertPropertyExists(rev, "ts", Long.class);
assertPropertyExists(rev, "changes", String.class);
// TODO verify json diff
// verify commit msg
assertPropertyValue(rev, "msg", "commit#" + i);
// verify chronological order
long ts = (Long) resolveValue(rev, "ts");
assertTrue(previousTS <= ts);
previousTS = ts;
}
// test with 'negative' range (from and to swapped)
array = parseJSONArray(mk.getJournal(toRev, fromRev, ""));
// there should be exactly 0 entries
assertEquals(0, array.size());
}
@Test
public void revisionOpsFiltered() {
// test getRevisionHistory/getJournal path filter
mk.commit("/test", "+\"foo\":{} +\"bar\":{}", null, "");
try {
Thread.sleep(100);
} catch (InterruptedException ignore) {
}
long ts = System.currentTimeMillis();
String revFoo = mk.commit("/test/foo", "^\"p1\":123", null, "");
String revBar = mk.commit("/test/bar", "^\"p2\":456", null, "");
String rev0 = revFoo;
// get history since ts (no filter)
JSONArray array = parseJSONArray(mk.getRevisionHistory(ts, -1, null));
// history should contain 2 commits: revFoo and revBar
assertEquals(2, array.size());
assertPropertyValue(getObjectArrayEntry(array, 0), "id", revFoo);
assertPropertyValue(getObjectArrayEntry(array, 1), "id", revBar);
// get history since ts (non-matching filter)
array = parseJSONArray(mk.getRevisionHistory(ts, -1, "/blah"));
// history should contain 0 commits since filter doesn't match
assertEquals(0, array.size());
// get history since ts (filter on /test/bar)
array = parseJSONArray(mk.getRevisionHistory(ts, -1, "/test/bar"));
// history should contain 1 commit: revBar
assertEquals(1, array.size());
assertPropertyValue(getObjectArrayEntry(array, 0), "id", revBar);
// get journal (no filter)
array = parseJSONArray(mk.getJournal(rev0, null, ""));
// journal should contain 2 commits: revFoo and revBar
assertEquals(2, array.size());
assertPropertyValue(getObjectArrayEntry(array, 0), "id", revFoo);
assertPropertyValue(getObjectArrayEntry(array, 1), "id", revBar);
// get journal (non-matching filter)
array = parseJSONArray(mk.getJournal(rev0, null, "/blah"));
// journal should contain 0 commits since filter doesn't match
assertEquals(0, array.size());
// get journal (filter on /test/bar)
array = parseJSONArray(mk.getJournal(rev0, null, "/test/bar"));
// journal should contain 1 commit: revBar
assertEquals(1, array.size());
assertPropertyValue(getObjectArrayEntry(array, 0), "id", revBar);
String diff = (String) resolveValue(getObjectArrayEntry(array, 0), "changes");
assertNotNull(diff);
assertTrue(diff.contains("456"));
assertFalse(diff.contains("123"));
}
@Test
public void diff() {
String rev0 = mk.getHeadRevision();
String rev1 = mk.commit("/test", "+\"target\":{}", null, null);
assertTrue(mk.nodeExists("/test/target", null));
// get reverse diff
String reverseDiff = mk.diff(rev1, rev0, null, -1);
assertNotNull(reverseDiff);
assertTrue(reverseDiff.length() > 0);
// commit reverse diff
String rev2 = mk.commit("", reverseDiff, null, null);
assertFalse(mk.nodeExists("/test/target", null));
// diff of rev0->rev2 should be empty
assertEquals("", mk.diff(rev0, rev2, null, -1));
}
@Test
public void diffFiltered() {
String rev0 = mk.commit("/test", "+\"foo\":{} +\"bar\":{}", null, "");
String rev1 = mk.commit("/test/foo", "^\"p1\":123", null, "");
String rev2 = mk.commit("/test/bar", "^\"p2\":456", null, "");
// test with path filter
String diff = mk.diff(rev0, rev2, "/test", -1);
assertNotNull(diff);
assertFalse(diff.isEmpty());
assertTrue(diff.contains("foo"));
assertTrue(diff.contains("bar"));
assertTrue(diff.contains("123"));
assertTrue(diff.contains("456"));
diff = mk.diff(rev0, rev2, "/test/foo", -1);
assertNotNull(diff);
assertFalse(diff.isEmpty());
assertTrue(diff.contains("foo"));
assertFalse(diff.contains("bar"));
assertTrue(diff.contains("123"));
assertFalse(diff.contains("456"));
// non-matching filter
diff = mk.diff(rev0, rev2, "/blah", -1);
assertNotNull(diff);
assertTrue(diff.isEmpty());
}
@Test
public void diffDepthLimited() {
// initial content (/test/foo)
String rev0 = mk.commit("/test", "+\"foo\":{}", null, "");
// add /test/foo/bar
String rev1 = mk.commit("/test/foo", "+\"bar\":{\"p1\":123}", null, "");
// modify property /test/foo/bar/p1
String rev2 = mk.commit("/test/foo/bar", "^\"p1\":456", null, "");
// diff with depth -1
assertEquals(mk.diff(rev0, rev2, "/", Integer.MAX_VALUE), mk.diff(rev0, rev2, "/", -1));
// diff with depth 5
String diff = mk.diff(rev0, rev2, "/", 5);
// returned +"/test/foo/bar":{"p1":456}
assertNotNull(diff);
assertFalse(diff.isEmpty());
assertTrue(diff.contains("/test/foo/bar"));
assertTrue(diff.contains("456"));
// diff with depth 0
diff = mk.diff(rev0, rev2, "/", 0);
// returned ^"/test", indicating that there are changes below /test
assertNotNull(diff);
assertFalse(diff.isEmpty());
assertFalse(diff.contains("/test/foo"));
assertFalse(diff.contains("456"));
assertTrue(diff.contains("/test"));
assertTrue(diff.startsWith("^"));
// diff with depth 1
diff = mk.diff(rev0, rev2, "/", 1);
// returned ^"/test/foo", indicating that there are changes below /test/foo
assertNotNull(diff);
assertFalse(diff.isEmpty());
assertFalse(diff.contains("/test/foo/bar"));
assertFalse(diff.contains("456"));
assertTrue(diff.contains("/test/foo"));
assertTrue(diff.startsWith("^"));
}
@Test
public void snapshotIsolation() {
final int NUM_COMMITS = 100;
String[] revs = new String[NUM_COMMITS];
// perform NUM_COMMITS commits
for (int i = 0; i < NUM_COMMITS; i++) {
revs[i] = mk.commit("/test", "^\"cnt\":" + i, null, null);
}
// verify that each revision contains the expected distinct property value
for (int i = 0; i < NUM_COMMITS; i++) {
JSONObject obj = parseJSONObject(mk.getNodes("/test", revs[i], 1, 0, -1, null));
assertPropertyValue(obj, "cnt", (long) i);
}
}
@Test
public void waitForCommit() throws InterruptedException {
final long SHORT_TIMEOUT = 1000;
final long LONG_TIMEOUT = 1000;
// concurrent commit
String oldHead = mk.getHeadRevision();
Thread t = new Thread("") {
@Override
public void run() {
String newHead = mk.commit("/", "+\"foo\":{}", null, "");
setName(newHead);
}
};
t.start();
String newHead = mk.waitForCommit(oldHead, LONG_TIMEOUT);
t.join();
assertFalse(oldHead.equals(newHead));
assertEquals(newHead, t.getName());
assertEquals(newHead, mk.getHeadRevision());
// the current head is already more recent than oldRevision;
// the method should return immediately (TIMEOUT not applied)
String currentHead = mk.getHeadRevision();
long t0 = System.currentTimeMillis();
newHead = mk.waitForCommit(oldHead, LONG_TIMEOUT);
long t1 = System.currentTimeMillis();
assertTrue((t1 - t0) < LONG_TIMEOUT);
assertEquals(currentHead, newHead);
// there's no more recent head available;
// the method should wait for the given short timeout
currentHead = mk.getHeadRevision();
long t2 = System.currentTimeMillis();
newHead = mk.waitForCommit(currentHead, SHORT_TIMEOUT);
long t3 = System.currentTimeMillis();
assertTrue((t3 - t2) >= SHORT_TIMEOUT);
assertEquals(currentHead, newHead);
}
@Test
public void addAndMove() {
String head = mk.getHeadRevision();
head = mk.commit("",
"+\"/root\":{}\n" +
"+\"/root/a\":{}\n",
head, "");
head = mk.commit("",
"+\"/root/a/b\":{}\n" +
">\"/root/a\":\"/root/c\"\n",
head, "");
assertFalse(mk.nodeExists("/root/a", head));
assertTrue(mk.nodeExists("/root/c/b", head));
}
@Test
public void copy() {
mk.commit("/", "*\"test\":\"testCopy\"", null, "");
assertTrue(mk.nodeExists("/testCopy", null));
assertTrue(mk.nodeExists("/test", null));
JSONObject obj = parseJSONObject(mk.getNodes("/test", null, 99, 0, -1, null));
JSONObject obj1 = parseJSONObject(mk.getNodes("/testCopy", null, 99, 0, -1, null));
assertEquals(obj, obj1);
}
@Test
public void addAndCopy() {
mk.commit("/",
"+\"x\":{}\n" +
"+\"y\":{}\n",
null, "");
mk.commit("/",
"+\"x/a\":{}\n" +
"*\"x\":\"y/x1\"\n",
null, "");
assertTrue(mk.nodeExists("/x/a", null));
assertTrue(mk.nodeExists("/y/x1/a", null));
}
@Test
public void copyToDescendant() {
mk.commit("/",
"+\"test/child\":{}\n" +
"*\"test\":\"test/copy\"\n",
null, "");
assertTrue(mk.nodeExists("/test/child", null));
assertTrue(mk.nodeExists("/test/copy/child", null));
JSONObject obj = parseJSONObject(mk.getNodes("/test", null, 99, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", 2l);
assertPropertyValue(obj, "copy/:childNodeCount", 1l);
assertPropertyValue(obj, "copy/child/:childNodeCount", 0l);
mk.commit("", "+\"/root\":{} +\"/root/N4\":{} *\"/root/N4\":\"/root/N4/N5\"", null, null);
assertTrue(mk.nodeExists("/root", null));
assertTrue(mk.nodeExists("/root/N4", null));
assertTrue(mk.nodeExists("/root/N4/N5", null));
obj = parseJSONObject(mk.getNodes("/root", null, 99, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", 1l);
assertPropertyValue(obj, "N4/:childNodeCount", 1l);
assertPropertyValue(obj, "N4/N5/:childNodeCount", 0l);
}
@Test
public void getNodes() {
String head = mk.getHeadRevision();
// verify initial content
JSONObject obj = parseJSONObject(mk.getNodes("/", head, 1, 0, -1, null));
assertPropertyValue(obj, "test/stringProp", "stringVal");
assertPropertyValue(obj, "test/intProp", 42L);
assertPropertyValue(obj, "test/floatProp", 42.2);
assertPropertyValue(obj, "test/booleanProp", true);
assertPropertyValue(obj, "test/multiIntProp", new Object[]{1, 2, 3});
}
@Test
public void getNodesHash() {
// :hash must be explicitly specified in the filter
JSONObject obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, null));
assertPropertyNotExists(obj, ":hash");
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\"]}"));
assertPropertyNotExists(obj, ":hash");
// verify initial content with :hash property
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\":hash\"]}"));
assertPropertyValue(obj, "test/booleanProp", true);
if (obj.get(":hash") == null) {
// :hash is optional, an implementation might not support it
return;
}
assertPropertyExists(obj, ":hash", String.class);
String hash0 = (String) resolveValue(obj, ":hash");
// get node by identifier (:hash)
JSONObject obj1 = parseJSONObject(mk.getNodes(hash0, null, 1, 0, -1, "{\"properties\":[\"*\",\":hash\"]}"));
assertEquals(obj, obj1);
// modify a property and verify that the hash of the root node changed
mk.commit("/test", "^\"booleanProp\":false", null, null);
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\":hash\"]}"));
assertPropertyValue(obj, "test/booleanProp", false);
assertPropertyExists(obj, ":hash", String.class);
String hash1 = (String) resolveValue(obj, ":hash");
assertFalse(hash0.equals(hash1));
// undo property modification and verify that the hash
// of the root node is now the same as before the modification
mk.commit("/test", "^\"booleanProp\":true", null, null);
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\":hash\"]}"));
assertPropertyValue(obj, "test/booleanProp", true);
assertPropertyExists(obj, ":hash", String.class);
String hash2 = (String) resolveValue(obj, ":hash");
assertFalse(hash1.equals(hash2));
assertTrue(hash0.equals(hash2));
}
@Test
public void getNodesId() {
// :id must be explicitly specified in the filter
JSONObject obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, null));
assertPropertyNotExists(obj, ":id");
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\"]}"));
assertPropertyNotExists(obj, ":id");
// verify initial content with :id property
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\":id\"]}"));
assertPropertyValue(obj, "test/booleanProp", true);
if (obj.get(":id") == null) {
// :id is optional, an implementation might not support it
return;
}
assertPropertyExists(obj, ":id", String.class);
String id0 = (String) resolveValue(obj, ":id");
// get node by identifier (:id)
JSONObject obj1 = parseJSONObject(mk.getNodes(id0, null, 1, 0, -1, "{\"properties\":[\"*\",\":id\"]}"));
assertEquals(obj, obj1);
// modify a property and verify that the id of the root node changed
mk.commit("/test", "^\"booleanProp\":false", null, null);
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\":id\"]}"));
assertPropertyValue(obj, "test/booleanProp", false);
assertPropertyExists(obj, ":id", String.class);
String id1 = (String) resolveValue(obj, ":id");
assertFalse(id0.equals(id1));
}
@Test
public void getNodesChildNodeCount() {
// :childNodeCount is included per default
JSONObject obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, null));
assertPropertyExists(obj, ":childNodeCount", Long.class);
assertPropertyExists(obj, "test/:childNodeCount", Long.class);
long count = (Long) resolveValue(obj, ":childNodeCount") ;
assertEquals(count, mk.getChildNodeCount("/", null));
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\"]}"));
assertPropertyExists(obj, ":childNodeCount", Long.class);
assertPropertyExists(obj, "test/:childNodeCount", Long.class);
count = (Long) resolveValue(obj, ":childNodeCount") ;
assertEquals(count, mk.getChildNodeCount("/", null));
// explicitly exclude :childNodeCount
obj = parseJSONObject(mk.getNodes("/", null, 1, 0, -1, "{\"properties\":[\"*\",\"-:childNodeCount\"]}"));
assertPropertyNotExists(obj, ":childNodeCount");
assertPropertyNotExists(obj, "test/:childNodeCount");
}
@Test
public void getNodesFiltered() {
String head = mk.getHeadRevision();
// verify initial content using filter
String filter = "{ \"properties\" : [ \"*ntProp\", \"-mult*\" ] } ";
JSONObject obj = parseJSONObject(mk.getNodes("/", head, 1, 0, -1, filter));
assertPropertyExists(obj, "test/intProp");
assertPropertyNotExists(obj, "test/multiIntProp");
assertPropertyNotExists(obj, "test/stringProp");
assertPropertyNotExists(obj, "test/floatProp");
assertPropertyNotExists(obj, "test/booleanProp");
}
@Test
public void getNodesNonExistingPath() {
String head = mk.getHeadRevision();
String nonExistingPath = "/test/" + System.currentTimeMillis();
assertFalse(mk.nodeExists(nonExistingPath, head));
assertNull(mk.getNodes(nonExistingPath, head, 0, 0, -1, null));
}
@Test
public void getNodesNonExistingRevision() {
String nonExistingRev = "12345678";
try {
mk.nodeExists("/test", nonExistingRev);
fail("Success with non-existing revision: " + nonExistingRev);
} catch (MicroKernelException e) {
// expected
}
try {
mk.getNodes("/test", nonExistingRev, 0, 0, -1, null);
fail("Success with non-existing revision: " + nonExistingRev);
} catch (MicroKernelException e) {
// expected
}
}
@Test
public void getNodesDepth() {
mk.commit("", "+\"/testRoot\":{\"depth\":0}", null, "");
mk.commit("/testRoot", "+\"a\":{\"depth\":1}\n" +
"+\"a/b\":{\"depth\":2}\n" +
"+\"a/b/c\":{\"depth\":3}\n" +
"+\"a/b/c/d\":{\"depth\":4}\n" +
"+\"a/b/c/d/e\":{\"depth\":5}\n",
null, "");
// depth = 0: properties, including :childNodeCount and empty child node objects
JSONObject obj = parseJSONObject(mk.getNodes("/testRoot", null, 0, 0, -1, null));
assertPropertyValue(obj, "depth", 0l);
assertPropertyValue(obj, ":childNodeCount", 1l);
JSONObject child = resolveObjectValue(obj, "a");
assertNotNull(child);
assertEquals(0, child.size());
// depth = 1: properties, child nodes, their properties (including :childNodeCount)
// and their empty child node objects
obj = parseJSONObject(mk.getNodes("/testRoot", null, 1, 0, -1, null));
assertPropertyValue(obj, "depth", 0l);
assertPropertyValue(obj, ":childNodeCount", 1l);
assertPropertyValue(obj, "a/depth", 1l);
assertPropertyValue(obj, "a/:childNodeCount", 1l);
child = resolveObjectValue(obj, "a/b");
assertNotNull(child);
assertEquals(0, child.size());
// depth = 2: [and so on...]
obj = parseJSONObject(mk.getNodes("/testRoot", null, 2, 0, -1, null));
assertPropertyValue(obj, "depth", 0l);
assertPropertyValue(obj, ":childNodeCount", 1l);
assertPropertyValue(obj, "a/depth", 1l);
assertPropertyValue(obj, "a/:childNodeCount", 1l);
assertPropertyValue(obj, "a/b/depth", 2l);
assertPropertyValue(obj, "a/b/:childNodeCount", 1l);
child = resolveObjectValue(obj, "a/b/c");
assertNotNull(child);
assertEquals(0, child.size());
// depth = 3: [and so on...]
obj = parseJSONObject(mk.getNodes("/testRoot", null, 3, 0, -1, null));
assertPropertyValue(obj, "depth", 0l);
assertPropertyValue(obj, ":childNodeCount", 1l);
assertPropertyValue(obj, "a/depth", 1l);
assertPropertyValue(obj, "a/:childNodeCount", 1l);
assertPropertyValue(obj, "a/b/depth", 2l);
assertPropertyValue(obj, "a/b/:childNodeCount", 1l);
assertPropertyValue(obj, "a/b/c/depth", 3l);
assertPropertyValue(obj, "a/b/c/:childNodeCount", 1l);
child = resolveObjectValue(obj, "a/b/c/d");
assertNotNull(child);
assertEquals(0, child.size());
// getNodes(path, revId) must return same result as getNodes(path, revId, 1, 0, -1, null)
obj = parseJSONObject(mk.getNodes("/testRoot", null, 1, 0, -1, null));
JSONObject obj1 = parseJSONObject(mk.getNodes("/testRoot", null, 1, 0, -1, null));
assertEquals(obj, obj1);
}
@Test
public void getNodesOffset() {
// number of siblings (multiple of 10)
final int NUM_SIBLINGS = 1000;
// set of all sibling names
final Set<String> siblingNames = new HashSet<String>(NUM_SIBLINGS);
// populate siblings
Random rand = new Random();
StringBuilder sb = new StringBuilder("+\"/testRoot\":{");
for (int i = 0; i < NUM_SIBLINGS; i++) {
String name = "n" + rand.nextLong();
siblingNames.add(name);
sb.append("\n\"");
sb.append(name);
sb.append("\":{}");
if (i < NUM_SIBLINGS - 1) {
sb.append(',');
}
}
sb.append("\n}");
String head = mk.commit("", sb.toString(), null, "");
// get all siblings in one call
JSONObject obj = parseJSONObject(mk.getNodes("/testRoot", head, 0, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
assertEquals((long) NUM_SIBLINGS, mk.getChildNodeCount("/testRoot", head));
assertEquals(siblingNames, getNodeNames(obj));
// list of sibling names in iteration order
final List<String> orderedSiblingNames = new ArrayList<String>(NUM_SIBLINGS);
// get siblings one by one
for (int i = 0; i < NUM_SIBLINGS; i++) {
obj = parseJSONObject(mk.getNodes("/testRoot", head, 0, i, 1, null));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
Set<String> set = getNodeNames(obj);
assertEquals(1, set.size());
orderedSiblingNames.add(set.iterator().next());
}
// check completeness
Set<String> names = new HashSet<String>(siblingNames);
names.removeAll(orderedSiblingNames);
assertTrue(names.isEmpty());
// we've now established the expected iteration order
// get siblings in 10 chunks
for (int i = 0; i < 10; i++) {
obj = parseJSONObject(mk.getNodes("/testRoot", head, 0, i * 10, NUM_SIBLINGS / 10, null));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
names = getNodeNames(obj);
assertEquals(NUM_SIBLINGS / 10, names.size());
List<String> subList = orderedSiblingNames.subList(i * 10, (i * 10) + (NUM_SIBLINGS / 10));
names.removeAll(subList);
assertTrue(names.isEmpty());
}
// test offset with filter
try {
parseJSONObject(mk.getNodes("/testRoot", head, 0, 10, NUM_SIBLINGS / 10, "{\"nodes\":[\"n0*\"]}"));
fail();
} catch (Throwable e) {
// expected
}
}
@Test
public void getNodesMaxNodeCount() {
// number of siblings
final int NUM_SIBLINGS = 100;
// populate siblings
StringBuffer sb = new StringBuffer("+\"/testRoot\":{");
for (int i = 0; i < NUM_SIBLINGS; i++) {
String name = "n" + i;
sb.append("\n\"");
sb.append(name);
sb.append("\":{");
for (int n = 0; n < NUM_SIBLINGS; n++) {
String childName = "n" + n;
sb.append("\n\"");
sb.append(childName);
sb.append("\":{}");
if (n < NUM_SIBLINGS - 1) {
sb.append(',');
}
}
sb.append("}");
if (i < NUM_SIBLINGS - 1) {
sb.append(',');
}
}
sb.append("\n}");
String head = mk.commit("", sb.toString(), null, "");
// get all siblings
JSONObject obj = parseJSONObject(mk.getNodes("/testRoot", head, 1, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
assertEquals((long) NUM_SIBLINGS, mk.getChildNodeCount("/testRoot", head));
Set<String> names = getNodeNames(obj);
assertTrue(names.size() == NUM_SIBLINGS);
String childName = names.iterator().next();
JSONObject childObj = resolveObjectValue(obj, childName);
assertPropertyValue(childObj, ":childNodeCount", (long) NUM_SIBLINGS);
assertTrue(getNodeNames(childObj).size() == NUM_SIBLINGS);
// get max 10 siblings
int maxSiblings = 10;
obj = parseJSONObject(mk.getNodes("/testRoot", head, 1, 0, maxSiblings, null));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
assertEquals((long) NUM_SIBLINGS, mk.getChildNodeCount("/testRoot", head));
names = getNodeNames(obj);
assertEquals(maxSiblings, names.size());
childName = names.iterator().next();
childObj = resolveObjectValue(obj, childName);
assertPropertyValue(childObj, ":childNodeCount", (long) NUM_SIBLINGS);
assertTrue(getNodeNames(childObj).size() == maxSiblings);
// get max 5 siblings using filter
maxSiblings = 5;
obj = parseJSONObject(mk.getNodes("/testRoot", head, 1, 0, maxSiblings, "{\"nodes\":[\"n1*\"]}"));
assertPropertyValue(obj, ":childNodeCount", (long) NUM_SIBLINGS);
assertEquals((long) NUM_SIBLINGS, mk.getChildNodeCount("/testRoot", head));
names = getNodeNames(obj);
assertTrue(names.size() == maxSiblings);
childName = names.iterator().next();
childObj = resolveObjectValue(obj, childName);
assertPropertyValue(childObj, ":childNodeCount", (long) NUM_SIBLINGS);
assertTrue(getNodeNames(childObj).size() == maxSiblings);
}
@Test
public void getNodesRevision() {
// 1st pass
long tst = System.currentTimeMillis();
String head = mk.commit("/test", "^\"tst\":" + tst, null, null);
assertEquals(head, mk.getHeadRevision());
// test getNodes with 'null' revision
assertPropertyValue(parseJSONObject(mk.getNodes("/test", null, 1, 0, -1, null)), "tst", tst);
// test getNodes with specific revision
assertPropertyValue(parseJSONObject(mk.getNodes("/test", head, 1, 0, -1, null)), "tst", tst);
// 2nd pass
++tst;
String oldHead = head;
head = mk.commit("/test", "^\"tst\":" + tst, null, null);
assertFalse(head.equals(oldHead));
assertEquals(head, mk.getHeadRevision());
// test getNodes with 'null' revision
assertPropertyValue(parseJSONObject(mk.getNodes("/test", null, 1, 0, -1, null)), "tst", tst);
// test getNodes with specific revision
assertPropertyValue(parseJSONObject(mk.getNodes("/test", head, 1, 0, -1, null)), "tst", tst);
}
@Test
public void missingName() {
String head = mk.getHeadRevision();
assertTrue(mk.nodeExists("/test", head));
try {
String path = "/test/";
mk.getNodes(path, head, 1, 0, -1, null);
fail("Success with invalid path: " + path);
} catch (AssertionError e) {
// expected
} catch (MicroKernelException e) {
// expected
}
}
@Test
public void addNodeWithRelativePath() {
String head = mk.getHeadRevision();
head = mk.commit("/", "+\"foo\" : {} \n+\"foo/bar\" : {}", head, "");
assertTrue(mk.nodeExists("/foo", head));
assertTrue(mk.nodeExists("/foo/bar", head));
}
@Test
public void commitWithEmptyPath() {
String head = mk.getHeadRevision();
head = mk.commit("", "+\"/ene\" : {}\n+\"/ene/mene\" : {}\n+\"/ene/mene/muh\" : {}", head, "");
assertTrue(mk.nodeExists("/ene/mene/muh", head));
}
@Test
public void addPropertyWithRelativePath() {
String head = mk.getHeadRevision();
head = mk.commit("/",
"+\"fuu\" : {} \n" +
"^\"fuu/bar\" : 42", head, "");
JSONObject obj = parseJSONObject(mk.getNodes("/fuu", head, 1, 0, -1, null));
assertPropertyValue(obj, "bar", 42L);
}
@Test
public void addMultipleNodes() {
String head = mk.getHeadRevision();
long millis = System.currentTimeMillis();
String node1 = "n1_" + millis;
String node2 = "n2_" + millis;
head = mk.commit("/", "+\"" + node1 + "\" : {} \n+\"" + node2 + "\" : {}\n", head, "");
assertTrue(mk.nodeExists('/' + node1, head));
assertTrue(mk.nodeExists('/' + node2, head));
}
@Test
public void addDeepNodes() {
String head = mk.getHeadRevision();
head = mk.commit("/",
"+\"a\" : {} \n" +
"+\"a/b\" : {} \n" +
"+\"a/b/c\" : {} \n" +
"+\"a/b/c/d\" : {} \n",
head, "");
assertTrue(mk.nodeExists("/a", head));
assertTrue(mk.nodeExists("/a/b", head));
assertTrue(mk.nodeExists("/a/b/c", head));
assertTrue(mk.nodeExists("/a/b/c/d", head));
}
@Test
public void addItemsIncrementally() {
String head = mk.getHeadRevision();
String node = "n_" + System.currentTimeMillis();
head = mk.commit("/",
"+\"" + node + "\" : {} \n" +
"+\"" + node + "/child1\" : {} \n" +
"+\"" + node + "/child2\" : {} \n" +
"+\"" + node + "/child1/grandchild11\" : {} \n" +
"^\"" + node + "/prop1\" : 41\n" +
"^\"" + node + "/child1/prop2\" : 42\n" +
"^\"" + node + "/child1/grandchild11/prop3\" : 43",
head, "");
JSONObject obj = parseJSONObject(mk.getNodes('/' + node, head, 3, 0, -1, null));
assertPropertyValue(obj, "prop1", 41L);
assertPropertyValue(obj, ":childNodeCount", 2L);
assertPropertyValue(obj, "child1/prop2", 42L);
assertPropertyValue(obj, "child1/:childNodeCount", 1L);
assertPropertyValue(obj, "child1/grandchild11/prop3", 43L);
assertPropertyValue(obj, "child1/grandchild11/:childNodeCount", 0L);
assertPropertyValue(obj, "child2/:childNodeCount", 0L);
}
@Test
public void removeNode() {
String head = mk.getHeadRevision();
String node = "removeNode_" + System.currentTimeMillis();
head = mk.commit("/", "+\"" + node + "\" : {\"child\":{}}", head, "");
head = mk.commit('/' + node, "-\"child\"", head, "");
JSONObject obj = parseJSONObject(mk.getNodes('/' + node, head, 1, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", 0L);
}
@Test
public void moveNode() {
String rev0 = mk.getHeadRevision();
JSONObject obj = parseJSONObject(mk.getNodes("/test", null, 99, 0, -1, null));
mk.commit("/", ">\"test\" : \"moved\"", null, "");
assertTrue(mk.nodeExists("/test", rev0));
assertFalse(mk.nodeExists("/test", null));
assertTrue(mk.nodeExists("/moved", null));
JSONObject obj1 = parseJSONObject(mk.getNodes("/moved", null, 99, 0, -1, null));
assertEquals(obj, obj1);
}
@Test
public void illegalMove() {
mk.commit("", "+\"/test/sub\":{}", null, "");
try {
// try to move /test to /test/sub/test
mk.commit("/", "> \"test\": \"/test/sub/test\"", null, "");
fail();
} catch (Exception e) {
// expected
}
}
@Test
public void overwritingMove() {
String head = mk.getHeadRevision();
head = mk.commit("/", "+\"a\" : {} \n+\"b\" : {} \n", head, "");
try {
mk.commit("/", ">\"a\" : \"b\" ", head, "");
fail();
} catch (MicroKernelException e) {
// expected
}
}
@Test
public void conflictingMove() {
String head = mk.getHeadRevision();
head = mk.commit("/", "+\"a\" : {} \n+\"b\" : {}\n", head, "");
String r1 = mk.commit("/", ">\"a\" : \"b/a\"", head, "");
assertFalse(mk.nodeExists("/a", r1));
assertTrue(mk.nodeExists("/b", r1));
assertTrue(mk.nodeExists("/b/a", r1));
try {
mk.commit("/", ">\"b\" : \"a/b\"", head, "");
fail();
} catch (MicroKernelException e) {
// expected
}
}
@Test
public void conflictingAddDelete() {
String head = mk.getHeadRevision();
head = mk.commit("/", "+\"a\" : {} \n+\"b\" : {}\n", head, "");
String r1 = mk.commit("/", "-\"b\" \n +\"a/x\" : {}", head, "");
assertFalse(mk.nodeExists("/b", r1));
assertTrue(mk.nodeExists("/a", r1));
assertTrue(mk.nodeExists("/a/x", r1));
try {
mk.commit("/", "-\"a\" \n +\"b/x\" : {}", head, "");
fail();
} catch (MicroKernelException e) {
// expected
}
}
@Test
public void removeProperty() {
String head = mk.getHeadRevision();
long t = System.currentTimeMillis();
String node = "removeProperty_" + t;
head = mk.commit("/", "+\"" + node + "\" : {\"prop\":\"value\"}", head, "");
head = mk.commit("/", "^\"" + node + "/prop\" : null", head, "");
JSONObject obj = parseJSONObject(mk.getNodes('/' + node, head, 1, 0, -1, null));
assertPropertyValue(obj, ":childNodeCount", 0L);
}
@Test
public void branchAndMerge() {
// make sure /branch doesn't exist in head
assertFalse(mk.nodeExists("/branch", null));
String oldHead = mk.getHeadRevision();
// create a branch on head
String branchRev = mk.branch(null);
String branchRootRev = branchRev;
// add a node /branch in branchRev
branchRev = mk.commit("", "+\"/branch\":{}", branchRev, "");
// make sure /branch doesn't exist in head
assertFalse(mk.nodeExists("/branch", null));
// make sure /branch does exist in branchRev
assertTrue(mk.nodeExists("/branch", branchRev));
// add a node /branch/foo in branchRev
branchRev = mk.commit("", "+\"/branch/foo\":{}", branchRev, "");
// make sure branchRev doesn't show up in revision history
String hist = mk.getRevisionHistory(0, -1, null);
JSONArray array = parseJSONArray(hist);
for (Object entry : array) {
assertTrue(entry instanceof JSONObject);
JSONObject rev = (JSONObject) entry;
assertFalse(branchRev.equals(rev.get("id")));
}
// add a node /test123 in head
mk.commit("", "+\"/test123\":{}", null, "");
// make sure /test123 doesn't exist in branchRev
assertFalse(mk.nodeExists("/test123", branchRev));
// merge branchRev with head
String newHead = mk.merge(branchRev, "");
// make sure /test123 still exists in head
assertTrue(mk.nodeExists("/test123", null));
// make sure /branch/foo does now exist in head
assertTrue(mk.nodeExists("/branch/foo", null));
try {
mk.getJournal(oldHead, branchRev, "/");
} catch (MicroKernelException e) {
fail("getJournal should succeed if the range spans from a (older) head to a (newer) private branch revision");
}
try {
mk.getJournal(branchRootRev, null, "/");
fail("getJournal should throw if the range spans from a (older) private branch to a (newer) head revision");
} catch (MicroKernelException e) {
// expected
}
try {
mk.getJournal(branchRootRev, branchRev, "/");
} catch (MicroKernelException e) {
fail("getJournal should succeed if the range spans a single private branch");
}
String jrnl = mk.getJournal(newHead, newHead, "/");
array = parseJSONArray(jrnl);
assertEquals(1, array.size());
JSONObject rev = getObjectArrayEntry(array, 0);
assertPropertyValue(rev, "id", newHead);
String diff = (String) resolveValue(rev, "changes");
// TODO properly verify json diff format
// make sure json diff contains +"/branch":{...}
assertTrue(diff.matches("\\s*\\+\\s*\"/branch\"\\s*:\\s*\\{\\s*\"foo\"\\s*:\\s*\\{\\s*\\}\\s*\\}\\s*"));
jrnl = mk.getJournal(oldHead, branchRev, "/");
array = parseJSONArray(jrnl);
}
@Test
public void oneBranchAddedChildren1() {
addNodes(null, "/trunk", "/trunk/child1");
assertNodesExist(null, "/trunk", "/trunk/child1");
String branchRev = mk.branch(null);
branchRev = addNodes(branchRev, "/branch1", "/branch1/child1");
assertNodesExist(branchRev, "/trunk", "/trunk/child1");
assertNodesExist(branchRev, "/branch1", "/branch1/child1");
assertNodesNotExist(null, "/branch1", "/branch1/child1");
addNodes(null, "/trunk/child2");
assertNodesExist(null, "/trunk/child2");
assertNodesNotExist(branchRev, "/trunk/child2");
mk.merge(branchRev, "");
assertNodesExist(null, "/trunk", "/trunk/child1", "/trunk/child2", "/branch1", "/branch1/child1");
}
@Test
public void oneBranchAddedChildren2() {
addNodes(null, "/trunk", "/trunk/child1");
assertNodesExist(null, "/trunk", "/trunk/child1");
String branchRev = mk.branch(null);
branchRev = addNodes(branchRev, "/trunk/child1/child2");
assertNodesExist(branchRev, "/trunk", "/trunk/child1");
assertNodesExist(branchRev, "/trunk/child1/child2");
assertNodesNotExist(null, "/trunk/child1/child2");
addNodes(null, "/trunk/child3");
assertNodesExist(null, "/trunk/child3");
assertNodesNotExist(branchRev, "/trunk/child3");
mk.merge(branchRev, "");
assertNodesExist(null, "/trunk", "/trunk/child1", "/trunk/child1/child2", "/trunk/child3");
}
@Test
public void oneBranchAddedChildren3() {
addNodes(null, "/root", "/root/child1");
assertNodesExist(null, "/root", "/root/child1");
String branchRev = mk.branch(null);
addNodes(null, "/root/child2");
assertNodesExist(null, "/root", "/root/child1", "/root/child2");
assertNodesExist(branchRev, "/root", "/root/child1");
assertNodesNotExist(branchRev, "/root/child2");
branchRev = addNodes(branchRev, "/root/child1/child3", "/root/child4");
assertNodesExist(branchRev, "/root", "/root/child1", "/root/child1/child3", "/root/child4");
assertNodesNotExist(branchRev, "/root/child2");
assertNodesExist(null, "/root", "/root/child1", "/root/child2");
assertNodesNotExist(null, "/root/child1/child3", "/root/child4");
mk.merge(branchRev, "");
assertNodesExist(null, "/root", "/root/child1", "/root/child2",
"/root/child1/child3", "/root/child4");
}
@Test
public void oneBranchRemovedChildren() {
addNodes(null, "/trunk", "/trunk/child1");
assertNodesExist(null, "/trunk", "/trunk/child1");
String branchRev = mk.branch(null);
branchRev = removeNodes(branchRev, "/trunk/child1");
assertNodesExist(branchRev, "/trunk");
assertNodesNotExist(branchRev, "/trunk/child1");
assertNodesExist(null, "/trunk", "/trunk/child1");
}
@Test
public void oneBranchChangedProperties() {
addNodes(null, "/trunk", "/trunk/child1");
setProp(null, "/trunk/child1/prop1", "value1");
setProp(null, "/trunk/child1/prop2", "value2");
assertNodesExist(null, "/trunk", "/trunk/child1");
assertPropExists(null, "/trunk/child1", "prop1");
assertPropExists(null, "/trunk/child1", "prop2");
String branchRev = mk.branch(null);
branchRev = setProp(branchRev, "/trunk/child1/prop1", "value1a");
branchRev = setProp(branchRev, "/trunk/child1/prop2", null);
branchRev = setProp(branchRev, "/trunk/child1/prop3", "value3");
assertPropValue(branchRev, "/trunk/child1", "prop1", "value1a");
assertPropNotExists(branchRev, "/trunk/child1", "prop2");
assertPropValue(branchRev, "/trunk/child1", "prop3", "value3");
assertPropValue(null, "/trunk/child1", "prop1", "value1");
assertPropExists(null, "/trunk/child1", "prop2");
assertPropNotExists(null, "/trunk/child1", "prop3");
mk.merge(branchRev, "");
assertPropValue(null, "/trunk/child1", "prop1", "value1a");
assertPropNotExists(null, "/trunk/child1", "prop2");
assertPropValue(null, "/trunk/child1", "prop3", "value3");
}
@Test
public void oneBranchAddedSubChildren() {
addNodes(null, "/trunk", "/trunk/child1", "/trunk/child1/child2", "/trunk/child1/child2/child3");
assertNodesExist(null, "/trunk", "/trunk/child1", "/trunk/child1/child2", "/trunk/child1/child2/child3");
String branchRev = mk.branch(null);
branchRev = addNodes(branchRev, "/branch1", "/branch1/child1", "/branch1/child1/child2", "/branch1/child1/child2/child3");
assertNodesExist(branchRev, "/trunk", "/trunk/child1", "/trunk/child1/child2", "/trunk/child1/child2/child3");
assertNodesExist(branchRev, "/branch1", "/branch1/child1", "/branch1/child1/child2", "/branch1/child1/child2/child3");
assertNodesNotExist(null, "/branch1", "/branch1/child1", "/branch1/child1/child2", "/branch1/child1/child2/child3");
addNodes(null, "/trunk/child1/child2/child3/child4", "/trunk/child5");
assertNodesExist(null, "/trunk/child1/child2/child3/child4", "/trunk/child5");
assertNodesNotExist(branchRev, "/trunk/child1/child2/child3/child4", "/trunk/child5");
mk.merge(branchRev, "");
assertNodesExist(null, "/trunk", "/trunk/child1", "/trunk/child1/child2", "/trunk/child1/child2/child3", "/trunk/child1/child2/child3/child4");
assertNodesExist(null, "/branch1", "/branch1/child1", "/branch1/child1/child2", "/branch1/child1/child2/child3");
}
@Test
public void oneBranchAddedChildrenAndAddedProperties() {
addNodes(null, "/trunk", "/trunk/child1");
setProp(null, "/trunk/child1/prop1", "value1");
setProp(null, "/trunk/child1/prop2", "value2");
assertNodesExist(null, "/trunk", "/trunk/child1");
assertPropExists(null, "/trunk/child1", "prop1");
assertPropExists(null, "/trunk/child1", "prop2");
String branchRev = mk.branch(null);
branchRev = addNodes(branchRev, "/branch1", "/branch1/child1");
branchRev = setProp(branchRev, "/branch1/child1/prop1", "value1");
branchRev = setProp(branchRev, "/branch1/child1/prop2", "value2");
assertNodesExist(branchRev, "/trunk", "/trunk/child1");
assertPropExists(branchRev, "/trunk/child1", "prop1");
assertPropExists(branchRev, "/trunk/child1", "prop2");
assertNodesExist(branchRev, "/branch1", "/branch1/child1");
assertPropExists(branchRev, "/branch1/child1", "prop1");
assertPropExists(branchRev, "/branch1/child1", "prop2");
assertNodesNotExist(null, "/branch1", "/branch1/child1");
assertPropNotExists(null, "/branch1/child1", "prop1");
assertPropNotExists(null, "/branch1/child1", "prop2");
mk.merge(branchRev, "");
assertNodesExist(null, "/trunk", "/trunk/child1");
assertPropExists(null, "/trunk/child1", "prop1");
assertPropExists(null, "/trunk/child1", "prop2");
assertNodesExist(null, "/branch1", "/branch1/child1");
assertPropExists(null, "/branch1/child1", "prop1");
assertPropExists(null, "/branch1/child1", "prop2");
}
@Test
public void twoBranchesAddedChildren1() {
addNodes(null, "/trunk", "/trunk/child1");
assertNodesExist(null, "/trunk", "/trunk/child1");
String branchRev1 = mk.branch(null);
String branchRev2 = mk.branch(null);
branchRev1 = addNodes(branchRev1, "/branch1", "/branch1/child1");
branchRev2 = addNodes(branchRev2, "/branch2", "/branch2/child2");
assertNodesExist(branchRev1, "/trunk", "/trunk/child1");
assertNodesExist(branchRev2, "/trunk", "/trunk/child1");
assertNodesExist(branchRev1, "/branch1/child1");
assertNodesNotExist(branchRev1, "/branch2/child2");
assertNodesExist(branchRev2, "/branch2/child2");
assertNodesNotExist(branchRev2, "/branch1/child1");
assertNodesNotExist(null, "/branch1/child1", "/branch2/child2");
addNodes(null, "/trunk/child2");
assertNodesExist(null, "/trunk/child2");
assertNodesNotExist(branchRev1, "/trunk/child2");
assertNodesNotExist(branchRev2, "/trunk/child2");
mk.merge(branchRev1, "");
assertNodesExist(null, "/trunk", "/branch1", "/branch1/child1");
assertNodesNotExist(null, "/branch2", "/branch2/child2");
mk.merge(branchRev2, "");
assertNodesExist(null, "/trunk", "/branch1", "/branch1/child1", "/branch2", "/branch2/child2");
}
@Test
public void emptyMergeCausesNoChange() {
String rev1 = mk.commit("", "+\"/child1\":{}", null, "");
String branchRev = mk.branch(null);
branchRev = mk.commit("", "+\"/child2\":{}", branchRev, "");
branchRev = mk.commit("", "-\"/child2\"", branchRev, "");
String rev2 = mk.merge(branchRev, "");
assertTrue(mk.nodeExists("/child1", null));
assertFalse(mk.nodeExists("/child2", null));
assertEquals(rev1, rev2);
}
@Test
public void trunkMergeNotAllowed() {
String rev = mk.commit("", "+\"/child1\":{}", null, "");
try {
mk.merge(rev, "");
fail("Exception expected");
} catch (Exception expected) {}
}
@Test
public void testSmallBlob() {
testBlobs(1024, 1024);
}
@Test
public void testMediumBlob() {
testBlobs(1024 * 1024, 8 * 1024);
}
@Test
public void testLargeBlob() {
testBlobs(32 * 1024 * 1024, 1024 * 1024);
}
private void testBlobs(int size, int bufferSize) {
// write data
TestInputStream in = new TestInputStream(size);
String id = mk.write(in);
assertNotNull(id);
assertTrue(in.isClosed());
// write identical data
in = new TestInputStream(size);
String id1 = mk.write(in);
assertNotNull(id1);
assertTrue(in.isClosed());
// both id's must be identical since they refer to identical data
assertEquals(id, id1);
// verify length
assertEquals(mk.getLength(id), size);
// verify data
InputStream in1 = new TestInputStream(size);
InputStream in2 = new BufferedInputStream(
new MicroKernelInputStream(mk, id), bufferSize);
try {
while (true) {
int x = in1.read();
int y = in2.read();
if (x == -1 || y == -1) {
if (x == y) {
break;
}
}
assertEquals("data does not match", x, y);
}
} catch (IOException e) {
fail(e.getMessage());
}
}
}