Examples of ParameterSubstitutionPreprocessor

org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     * Use the same parameter multiple times in a single file.
     * Result: last value used and warning should be thrown.
     */
    @Test
    public void testMultipleParamsFromSingleFile() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/input1.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileSameParamMultipleTimes.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     *   Use an empty lines and Comment lines in the parameter file.
     *  Result: Allowed
     */
    @Test
    public void testEmptyCommentLineinConfigfile() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/input1.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileWithEmptyComments.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);
    }

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

    /* Test case 17
     *   Use a line in the file that is not empty or a comment but does not conform to param_name=param_value.
     */
    @Test
    public void testInvalidLineinConfigfile() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/input1.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileWithInvalidLines.txt"};
        try {
            ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);
            fail ("Should have thrown an exception");
        } catch (ParseException e) {
            assertTrue(e.getMessage().startsWith("Encountered \" <IDENTIFIER> \"is \"\" at line 2, column 6."));
        }
    }

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     *   Check a parameter line of form param_name=param_value is allowed.
     *   Check a parameter line of form param_name<white space>=<white space>param_value is allowed.
     */
    @Test
    public void testValidLinesinConfigfile() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileWithValidLines.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);
    }

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     /* Test case 20
     * Use a combination of command line and file parameters.
     */
    @Test
    public void testCmdlineFileCombo() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     * Use a combination of command line and file parameters where there are duplicate parameters.
     * Result: Command line parameters take precedence over files.
     */
    @Test
    public void testCmdlineFileComboDuplicate() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFileDuplicates.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

    /* Test case 22
     *  Use a combination of command line, file and declare.
     */
    @Test
    public void testCmdlineFileDeclareCombo() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     *  Use a combination of command line, file and declare where there are duplicate parameters.
     *  Result: Declare has highest priority.
     */
    @Test
    public void testCmdlineFileDeclareComboDuplicates() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'" , "tableName=\"skip this\""};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

     *   Use multiple declare statement that specify the same parameter.
     *   Result: Scope of a parameter declared using declare is until the next declare statement that defines the same parameter.
     */
    @Test
    public void testMultipleDeclareScope() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleDeclares.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = null;
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResultMulDecs.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

    /* Test case 25
     *   Use %default to define param values
     */
    @Test
    public void testDefaultParam() throws Exception{
        ParameterSubstitutionPreprocessor ps = new ParameterSubstitutionPreprocessor(50);
        pigIStream = new BufferedReader(new FileReader(basedir + "/inputDefault.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = null;
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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