package org.junit.tests.experimental.theories.runner;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.experimental.results.PrintableResult.testResult;
import static org.junit.experimental.results.ResultMatchers.failureCountIs;
import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;
import static org.junit.experimental.results.ResultMatchers.hasSingleFailureContaining;
import static org.junit.matchers.JUnitMatchers.both;
import org.junit.Test;
import org.junit.experimental.theories.DataPoint;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;
import org.junit.runner.RunWith;
import org.junit.runners.model.TestClass;
public class UnsuccessfulWithDataPointFields {
@RunWith(Theories.class)
public static class HasATheory {
@DataPoint
public static int ONE= 1;
@Theory
public void everythingIsZero(int x) {
assertThat(x, is(0));
}
}
@Test
public void theoryClassMethodsShowUp() throws Exception {
assertThat(new Theories(HasATheory.class).getDescription()
.getChildren().size(), is(1));
}
@Test
public void theoryAnnotationsAreRetained() throws Exception {
assertThat(new TestClass(HasATheory.class).getAnnotatedMethods(
Theory.class).size(), is(1));
}
@Test
public void canRunTheories() throws Exception {
assertThat(testResult(HasATheory.class),
hasSingleFailureContaining("Expected"));
}
@RunWith(Theories.class)
public static class DoesntUseParams {
@DataPoint
public static int ONE= 1;
@Theory
public void everythingIsZero(int x, int y) {
assertThat(2, is(3));
}
}
@Test
public void reportBadParams() throws Exception {
assertThat(testResult(DoesntUseParams.class),
hasSingleFailureContaining("everythingIsZero(ONE, ONE)"));
}
@RunWith(Theories.class)
public static class NullsOK {
@DataPoint
public static String NULL= null;
@DataPoint
public static String A= "A";
@Theory
public void everythingIsA(String a) {
assertThat(a, is("A"));
}
}
@Test
public void nullsUsedUnlessProhibited() throws Exception {
assertThat(testResult(NullsOK.class),
hasSingleFailureContaining("null"));
}
@RunWith(Theories.class)
public static class DataPointsMustBeStatic {
@DataPoint
int THREE= 3;
@DataPoint
int FOUR= 3;
@Theory
public void numbers(int x) {
}
}
@Test
public void dataPointsMustBeStatic() {
assertThat(
testResult(DataPointsMustBeStatic.class),
both(failureCountIs(2))
.and(
hasFailureContaining("DataPoint field THREE must be static"))
.and(
hasFailureContaining("DataPoint field FOUR must be static")));
}
@RunWith(Theories.class)
public static class TheoriesMustBePublic {
@DataPoint
public static int THREE= 3;
@Theory
void numbers(int x) {
}
}
@Test
public void theoriesMustBePublic() {
assertThat(
testResult(TheoriesMustBePublic.class),
hasSingleFailureContaining("public"));
}
}