PathTaskTest.java

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 *  this work for additional information regarding copyright ownership.
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.easyant.tasks;

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

import java.io.File;
import java.net.MalformedURLException;
import java.net.URISyntaxException;

import org.apache.easyant.core.ant.ProjectUtils;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Path;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

public class PathTaskTest {

    private PathTask pathTask = new PathTask();
    @Rule
    public ExpectedException expectedException = ExpectedException.none();

    @Before
    public void setUp() throws MalformedURLException, URISyntaxException {
        Project project = new Project();
        ProjectUtils.configureProjectHelper(project);

        pathTask = new PathTask();
        pathTask.setProject(project);
    }

    @Test
    public void shouldFailIfNoMandatoryAttributesAreSet() {
        expectedException.expectMessage("pathid is mandatory");
        pathTask.execute();
    }

    @Test
    public void shouldCreatePath() {
        String classpathName = "myclasspath";
        pathTask.setPathid(classpathName);
        pathTask.execute();
        Path classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(0, classpath.size());
    }

    @Test
    public void shouldOverridePathAndPrependElements() {
        String classpathName = "myclasspath";

        Path originalClasspath = new Path(pathTask.getProject());
        File file1 = new File("afile");
        originalClasspath.createPathElement().setLocation(file1);
        pathTask.getProject().addReference(classpathName, originalClasspath);

        Path classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);

        pathTask.setPathid(classpathName);
        File file2 = new File("anotherfile");
        pathTask.createPathElement().setLocation(file2);
        pathTask.setOverwrite("prepend");
        pathTask.execute();

        classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(2, classpath.list().length);
        assertEquals(file2.getAbsolutePath(), classpath.list()[0]);
        assertEquals(file1.getAbsolutePath(), classpath.list()[1]);

    }

    @Test
    public void shouldOverridePathAndAppendElements() {
        String classpathName = "myclasspath";

        Path originalClasspath = new Path(pathTask.getProject());
        File file1 = new File("afile");
        originalClasspath.createPathElement().setLocation(file1);
        pathTask.getProject().addReference(classpathName, originalClasspath);

        Path classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);

        pathTask.setPathid(classpathName);
        File file2 = new File("anotherfile");
        pathTask.createPathElement().setLocation(file2);
        pathTask.execute();

        classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(2, classpath.list().length);
        assertEquals(file1.getAbsolutePath(), classpath.list()[0]);
        assertEquals(file2.getAbsolutePath(), classpath.list()[1]);

    }

    @Test
    public void shouldOverridePath() {
        String classpathName = "myclasspath";

        Path originalClasspath = new Path(pathTask.getProject());
        File file1 = new File("afile");
        originalClasspath.createPathElement().setLocation(file1);
        pathTask.getProject().addReference(classpathName, originalClasspath);

        Path classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);
        assertEquals(file1.getAbsolutePath(), classpath.list()[0]);

        pathTask.setPathid(classpathName);
        File file2 = new File("anotherfile");
        pathTask.setOverwrite("true");
        pathTask.createPathElement().setLocation(file2);
        pathTask.execute();

        classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);
        assertEquals(file2.getAbsolutePath(), classpath.list()[0]);

    }

    @Test
    public void shouldNotOverridePathIfItAlreadyExists() {
        String classpathName = "myclasspath";

        Path originalClasspath = new Path(pathTask.getProject());
        File file1 = new File("afile");
        originalClasspath.createPathElement().setLocation(file1);
        pathTask.getProject().addReference(classpathName, originalClasspath);

        Path classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);
        assertEquals(file1.getAbsolutePath(), classpath.list()[0]);

        pathTask.setPathid(classpathName);
        File file2 = new File("anotherfile");
        pathTask.setOverwrite("false");
        pathTask.createPathElement().setLocation(file2);
        pathTask.execute();

        classpath = pathTask.getProject().getReference(classpathName);
        assertNotNull(classpath);
        assertEquals(1, classpath.list().length);
        assertEquals(file1.getAbsolutePath(), classpath.list()[0]);
    }

    @Test
    public void shouldFailIfPrependDoesntMatchWithExistingPath() {
        expectedException.expectMessage("destination path not found: aMissingClasspath");
        pathTask.setPathid("aMissingClasspath");
        pathTask.setOverwrite("prepend");
        pathTask.execute();
    }

    @Test
    public void shouldFailIfAppendDoesntMatchWithExistingPath() {
        expectedException.expectMessage("destination path not found: aMissingClasspath");
        pathTask.setPathid("aMissingClasspath");
        pathTask.setOverwrite("append");
        pathTask.execute();

    }

    @Test
    public void shouldFailIfPathIdExistsButIsNotAPath() {
        expectedException.expectMessage("destination path is not a path: class java.lang.String");
        pathTask.getProject().addReference("aReference", "plop");
        pathTask.setPathid("aReference");
        pathTask.execute();

    }

}