Examples with DiffResult liquibase.diff.DiffResult used on opensource projects

Example 11 with DiffResult

use of liquibase.diff.DiffResult in project liquibase by liquibase.

the class DiffDatabaseTask method executeWithLiquibaseClassloader.

@Override
public void executeWithLiquibaseClassloader() throws BuildException {
    PrintStream printStream = null;
    try {
        printStream = new PrintStream(outputFile.getOutputStream(), true, getOutputEncoding());
        DiffResult diffResult = getDiffResult();
        DiffToReport diffReport = new DiffToReport(diffResult, printStream);
        log("Writing diff report " + outputFile.toString(), Project.MSG_INFO);
        diffReport.print();
    } catch (DatabaseException e) {
        throw new BuildException("Unable to make diff report. " + e.toString(), e);
    } catch (UnsupportedEncodingException e) {
        throw new BuildException("Unable to make diff report. Encoding [" + outputEncoding + "] is not supported.", e);
    } catch (IOException e) {
        throw new BuildException("Unable to make diff report. Error opening output stream.", e);
    } finally {
        FileUtils.close(printStream);
    }
}

Example 12 with DiffResult

use of liquibase.diff.DiffResult in project liquibase by liquibase.

the class DiffDatabaseToChangeLogTask method executeWithLiquibaseClassloader.

@Override
protected void executeWithLiquibaseClassloader() throws BuildException {
    for (ChangeLogOutputFile changeLogOutputFile : changeLogOutputFiles) {
        PrintStream printStream = null;
        String encoding = getOutputEncoding(changeLogOutputFile);
        try {
            FileResource outputFile = changeLogOutputFile.getOutputFile();
            ChangeLogSerializer changeLogSerializer = changeLogOutputFile.getChangeLogSerializer();
            printStream = new PrintStream(outputFile.getOutputStream(), true, encoding);
            DiffResult diffResult = getDiffResult();
            DiffOutputControl diffOutputControl = getDiffOutputControl();
            DiffToChangeLog diffToChangeLog = new DiffToChangeLog(diffResult, diffOutputControl);
            diffToChangeLog.print(printStream, changeLogSerializer);
        } catch (UnsupportedEncodingException e) {
            throw new BuildException("Unable to diff databases to change log file. Encoding [" + encoding + "] is not supported.", e);
        } catch (IOException e) {
            throw new BuildException("Unable to diff databases to change log file. Error creating output stream.", e);
        } catch (ParserConfigurationException e) {
            throw new BuildException("Unable to diff databases to change log file. Error configuring parser.", e);
        } catch (DatabaseException e) {
            throw new BuildException("Unable to diff databases to change log file. " + e.toString(), e);
        } finally {
            FileUtils.close(printStream);
        }
    }
}

Example 13 with DiffResult

use of liquibase.diff.DiffResult in project liquibase by liquibase.

the class AbstractIntegrationTest method testRerunDiffChangeLogAltSchema.

@Test
public void testRerunDiffChangeLogAltSchema() throws Exception {
    if (database == null) {
        return;
    }
    if (!database.supportsSchemas()) {
        return;
    }
    Liquibase liquibase = createLiquibase(includedChangeLog);
    clearDatabase(liquibase);
    database.setDefaultSchemaName("lbcat2");
    LockService lockService = LockServiceFactory.getInstance().getLockService(database);
    lockService.forceReleaseLock();
    liquibase.update(includedChangeLog);
    DatabaseSnapshot originalSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, new SnapshotControl(database));
    CompareControl compareControl = new CompareControl(new CompareControl.SchemaComparison[] { new CompareControl.SchemaComparison(CatalogAndSchema.DEFAULT, new CatalogAndSchema(null, "lbcat2")) }, originalSnapshot.getSnapshotControl().getTypesToInclude());
    DiffResult diffResult = DiffGeneratorFactory.getInstance().compare(database, null, compareControl);
    File tempFile = File.createTempFile("liquibase-test", ".xml");
    FileOutputStream output = new FileOutputStream(tempFile);
    try {
        new DiffToChangeLog(diffResult, new DiffOutputControl()).print(new PrintStream(output));
        output.flush();
    } finally {
        output.close();
    }
    liquibase = createLiquibase(tempFile.getName());
    clearDatabase(liquibase);
    //run again to test changelog testing logic
    Executor executor = ExecutorService.getInstance().getExecutor(database);
    try {
        executor.execute(new DropTableStatement("lbcat2", "lbcat2", database.getDatabaseChangeLogTableName(), false));
    } catch (DatabaseException e) {
    //ok
    }
    try {
        executor.execute(new DropTableStatement("lbcat2", "lbcat2", database.getDatabaseChangeLogLockTableName(), false));
    } catch (DatabaseException e) {
    //ok
    }
    database.commit();
    DatabaseConnection connection = DatabaseTestContext.getInstance().getConnection(url);
    database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
    database.setDefaultSchemaName("lbcat2");
    liquibase = createLiquibase(tempFile.getName());
    try {
        liquibase.update(this.contexts);
    } catch (ValidationFailedException e) {
        e.printDescriptiveError(System.out);
        throw e;
    }
    tempFile.deleteOnExit();
    DatabaseSnapshot finalSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, new SnapshotControl(database));
    CompareControl finalCompareControl = new CompareControl();
    finalCompareControl.addSuppressedField(Column.class, "autoIncrementInformation");
    DiffResult finalDiffResult = DiffGeneratorFactory.getInstance().compare(originalSnapshot, finalSnapshot, finalCompareControl);
    new DiffToReport(finalDiffResult, System.out).print();
    assertTrue(finalDiffResult.areEqual());
}

Example 14 with DiffResult

use of liquibase.diff.DiffResult in project liquibase by liquibase.

the class AbstractIntegrationTest method testDiffExternalForeignKeys.

//    @Test
//    public void testEncondingUpdatingDatabase() throws Exception {
//        if (database == null) {
//            return;
//        }
//        
//        // First import some data from utf8 encoded csv
//        // and create a snapshot
//        Liquibase liquibase = createLiquibase("changelogs/common/encoding.utf8.changelog.xml");
//        liquibase.update(this.contexts);
//        DatabaseSnapshot utf8Snapshot = DatabaseSnapshotGeneratorFactory.getInstance().createSnapshot(database, null, null);
//
//        clearDatabase(liquibase);
//
//        // Second import some data from latin1 encoded csv
//        // and create a snapshot
//        liquibase = createLiquibase("changelogs/common/encoding.latin1.changelog.xml");
//        liquibase.update(this.contexts);
//        DatabaseSnapshot iso88951Snapshot = DatabaseSnapshotGeneratorFactory.getInstance().createSnapshot(database, null, null);
//
//        //TODO: We need better data diff support to be able to do that
//        //Diff diff = new Diff(utf8Snapshot,iso88951Snapshot);
//        //diff.setDiffData(true);
//        //assertFalse("There are no differences setting the same data in utf-8 and iso-8895-1 "
//        //        ,diff.compare().areEqual());
//
//        //For now we do an approach reading diff data
//        DiffResult[] diffGenerators =new DiffResult[2];
//        diffGenerators[0]= DiffGeneratorFactory(utf8Snapshot,iso88951Snapshot);
//        diffGenerators[0].setDiffData(true);
//        diffGenerators[1]= new DiffGeneratorFactory(iso88951Snapshot,utf8Snapshot);
//        diffGenerators[1].setDiffData(true);
//        for(DiffGeneratorFactory diffGenerator : diffGenerators) {
//            File tempFile = File.createTempFile("liquibase-test", ".xml");
//            tempFile.deleteOnExit();
//            FileOutputStream output=new FileOutputStream(tempFile);
//            diffGenerator.compare().print(new PrintStream(output,false,"UTF-8"),database);
//            output.close();
//            String diffOutput=StreamUtil.getStreamContents(new FileInputStream(tempFile),"UTF-8");
//            assertTrue("Update to SQL preserves encoding",
//                new RegexMatcher(diffOutput, new String[] {
//                    //For the UTF-8 encoded cvs
//                    "value=\"àèìòùáéíóúÀÈÌÒÙÁÉÍÓÚâêîôûäëïöü\"",
//                    "value=\"çñ®\""
//                }).allMatchedInSequentialOrder());
//        }
//
//    }
/**
     * Test that diff is capable to detect foreign keys to external schemas that doesn't appear in the changelog
     */
@Test
public void testDiffExternalForeignKeys() throws Exception {
    if (database == null) {
        return;
    }
    Liquibase liquibase = createLiquibase(externalfkInitChangeLog);
    liquibase.update(contexts);
    DiffResult diffResult = liquibase.diff(database, null, new CompareControl());
    DiffResultAssert.assertThat(diffResult).containsMissingForeignKeyWithName("fk_person_country");
}

Example 15 with DiffResult

use of liquibase.diff.DiffResult in project liquibase by liquibase.

the class AbstractIntegrationTest method testRerunDiffChangeLog.

@Test
public void testRerunDiffChangeLog() throws Exception {
    if (database == null) {
        return;
    }
    for (int run = 0; run < 2; run++) {
        //run once outputting data as insert, once as csv
        boolean outputCsv = run == 1;
        runCompleteChangeLog();
        SnapshotControl snapshotControl = new SnapshotControl(database);
        //todo            compareControl.setDiffData(true);
        DatabaseSnapshot originalSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, snapshotControl);
        CompareControl compareControl = new CompareControl();
        //database returns different data even if the same
        compareControl.addSuppressedField(Column.class, "defaultValue");
        //database returns different data even if the same
        compareControl.addSuppressedField(Column.class, "autoIncrementInformation");
        if (database instanceof OracleDatabase) {
            //database returns different nvarchar2 info even though they are the same
            compareControl.addSuppressedField(Column.class, "type");
        }
        DiffOutputControl diffOutputControl = new DiffOutputControl();
        File tempFile = File.createTempFile("liquibase-test", ".xml");
        deleteOnExit(tempFile);
        if (outputCsv) {
            diffOutputControl.setDataDir(new File(tempFile.getParentFile(), "liquibase-data").getCanonicalPath().replaceFirst("\\w:", ""));
        }
        DiffResult diffResult = DiffGeneratorFactory.getInstance().compare(database, null, compareControl);
        FileOutputStream output = new FileOutputStream(tempFile);
        try {
            new DiffToChangeLog(diffResult, new DiffOutputControl()).print(new PrintStream(output));
            output.flush();
        } finally {
            output.close();
        }
        Liquibase liquibase = createLiquibase(tempFile.getName());
        clearDatabase(liquibase);
        DatabaseSnapshot emptySnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, new SnapshotControl(database));
        //run again to test changelog testing logic
        liquibase = createLiquibase(tempFile.getName());
        try {
            liquibase.update(this.contexts);
        } catch (ValidationFailedException e) {
            e.printDescriptiveError(System.out);
            throw e;
        }
        //            tempFile.deleteOnExit();
        DatabaseSnapshot migratedSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, new SnapshotControl(database));
        DiffResult finalDiffResult = DiffGeneratorFactory.getInstance().compare(originalSnapshot, migratedSnapshot, compareControl);
        try {
            assertTrue(finalDiffResult.areEqual());
        } catch (AssertionError e) {
            new DiffToReport(finalDiffResult, System.err).print();
            throw e;
        }
        //diff to empty and drop all
        DiffResult emptyDiffResult = DiffGeneratorFactory.getInstance().compare(emptySnapshot, migratedSnapshot, compareControl);
        output = new FileOutputStream(tempFile);
        try {
            new DiffToChangeLog(emptyDiffResult, new DiffOutputControl(true, true, true, null)).print(new PrintStream(output));
            output.flush();
        } finally {
            output.close();
        }
        liquibase = createLiquibase(tempFile.getName());
        System.out.println("updating from " + tempFile.getCanonicalPath());
        try {
            liquibase.update(this.contexts);
        } catch (LiquibaseException e) {
            throw e;
        }
        DatabaseSnapshot emptyAgainSnapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(database.getDefaultSchema(), database, new SnapshotControl(database));
        assertEquals(2, emptyAgainSnapshot.get(Table.class).size());
        assertEquals(0, emptyAgainSnapshot.get(View.class).size());
    }
}