org.pentaho.di.trans.steps.normaliser.NormaliserMetaInjectionIT.java Source code

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Here is the source code for org.pentaho.di.trans.steps.normaliser.NormaliserMetaInjectionIT.java

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 * Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.pentaho.di.trans.steps.normaliser;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.BeforeClass;
import org.junit.Test;
import org.pentaho.di.core.KettleEnvironment;
import org.pentaho.di.core.exception.KettleMissingPluginsException;
import org.pentaho.di.core.exception.KettleXMLException;
import org.pentaho.di.core.plugins.Plugin;
import org.pentaho.di.core.plugins.PluginInterface;
import org.pentaho.di.core.plugins.PluginRegistry;
import org.pentaho.di.core.plugins.StepPluginType;
import org.pentaho.di.trans.Trans;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.StepMetaInterface;

public class NormaliserMetaInjectionIT {

    private static final String OUTPUT_FILENAME = "output_filename";

    private static final String EXPECTED_OUTPUT_FILE_NAME = "src/it/resources/org/pentaho/di/trans/steps/normaliser/normaliser-13761-expected-output.txt";

    private Trans trans;

    @BeforeClass
    public static void initKettle() throws Exception {
        KettleEnvironment.init(false);

        Map<Class<?>, String> classMap = new HashMap<>();
        classMap.put(StepMetaInterface.class, "org.pentaho.di.trans.steps.metainject.MetaInjectMeta");
        List<String> libraries = new ArrayList<>();

        PluginInterface plugin = new Plugin(new String[] { "MetaInject" }, StepPluginType.class,
                StepMetaInterface.class, "Flow", "MetaInjectMeta", null, null, false, false, classMap, libraries,
                null, null);
        PluginRegistry.getInstance().registerPlugin(StepPluginType.class, plugin);
    }

    @After
    public void tearDown() {
        String outputFileName = trans.getVariable(OUTPUT_FILENAME);
        File outputFile = new File(outputFileName);
        outputFile.delete();
    }

    @Test
    public void injectValuesToNormaliserTransformation() throws Exception {
        trans = createTransformationFromFile(
                "src/it/resources/org/pentaho/di/trans/steps/normaliser/injecting-trans-pdi-13761.ktr");
        runTransformation(trans);
        String outputFileName = trans.getVariable(OUTPUT_FILENAME);
        File expectedOutputFile = new File(EXPECTED_OUTPUT_FILE_NAME);
        assertTrue(FileUtils.contentEquals(expectedOutputFile, new File(outputFileName)));
    }

    @Test
    public void injectValuesToNormaliserTransformation_does_not_inject_fields() throws Exception {
        trans = createTransformationFromFile(
                "src/it/resources/org/pentaho/di/trans/steps/normaliser/injecting-trans-pdi-13761-does-not-inject-field.ktr");
        runTransformation(trans);
        String outputFileName = trans.getVariable(OUTPUT_FILENAME);
        File expectedOutputFile = new File(EXPECTED_OUTPUT_FILE_NAME);
        assertTrue(FileUtils.contentEquals(expectedOutputFile, new File(outputFileName)));
    }

    private static Trans createTransformationFromFile(String fileName)
            throws KettleXMLException, KettleMissingPluginsException {
        TransMeta transMeta = new TransMeta(fileName);
        transMeta.setTransformationType(TransMeta.TransformationType.Normal);
        return new Trans(transMeta);
    }

    private static void runTransformation(Trans trans) throws Exception {
        trans.prepareExecution(null);
        trans.startThreads();
        trans.waitUntilFinished();
        assertEquals(0, trans.getErrors());
    }

}