@Test
public void testAbsoluteProjectPath() {
MavenProject project = mock(MavenProject.class);
JacocoReportChangesMojo mojo = new JacocoReportChangesMojo();
Path usrDir = Paths.get(System.getProperty("user.dir")).toAbsolutePath();
when(project.getBasedir()).thenReturn(usrDir.toFile());
mojo.setProject(project);
assertEquals(usrDir.resolve("a"), mojo.absoluteProjectPath(usrDir.resolve("a").toString()));
}
@Test
public void testInjectIncludes() throws MojoExecutionException {
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
public List<String> loadIncludes() {
return Collections.emptyList();
}
};
mojo.injectIncludes();
}
@Test
public void testCanGenerateReportTrueWithNoChanges() {
final List<String> changedFiles = Collections.emptyList();
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
public java.util.List<String> loadIncludes() throws MojoExecutionException {
return changedFiles;
};
};
assertTrue(mojo.canGenerateReport(true));
}
@Test
public void testCanGenerateReportWithLoadError() {
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
public java.util.List<String> loadIncludes() throws MojoExecutionException {
throw new MojoExecutionException("Test");
};
};
mojo.setSkipGenerationWhenNoChangesFound(true);
assertFalse(mojo.canGenerateReport(true));
}
@Test
public void testCanGenerateReportWithChanges() {
final List<String> changedFiles = Arrays.asList("a", "b", "c");
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
public java.util.List<String> loadIncludes() throws MojoExecutionException {
return changedFiles;
};
};
assertTrue(mojo.canGenerateReport(true));
}
@Test(expected = MojoExecutionException.class)
public void testLoadChangedFilesFailedOnProcessCreate() throws MojoExecutionException {
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
protected Process gitDiffProcess(String branchName) throws IOException {
throw new IOException("Test");
}
};
mojo.loadChangedFiles("any");
}
@Test
public void testExecuteSkip() throws MojoExecutionException {
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
public List<String> loadIncludes() throws MojoExecutionException {
fail();
return null;
};
};
mojo.setJacocoSkip(true);
mojo.execute();
}
@Test
public void testCanGenerateReportReturnsFalseWhenSuperReturnsFalse()
throws MojoExecutionException {
final List<String> changedFiles = Arrays.asList("a", "b", "c");
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
public java.util.List<String> loadIncludes() throws MojoExecutionException {
return changedFiles;
};
};
mojo.setJacocoSkip(true);
mojo.injectDefaults();
assertFalse(mojo.canGenerateReport());
}
@Test(expected = MojoExecutionException.class)
public void testLoadChangedFilesFailedOnGitError() throws MojoExecutionException {
final Process process = mock(Process.class);
when(process.getInputStream()).thenReturn(new ByteArrayInputStream(new byte[0]));
when(process.getErrorStream()).thenReturn(new ByteArrayInputStream("GIT_ERROR".getBytes()));
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
protected Process gitDiffProcess(String branchName) throws IOException {
return process;
}
};
mojo.loadChangedFiles("any");
}
@Test
public void testLoadChangedFilesWithNoChanges() throws MojoExecutionException {
final Process process = mock(Process.class);
when(process.getInputStream()).thenReturn(new ByteArrayInputStream(new byte[0]));
when(process.getErrorStream()).thenReturn(new ByteArrayInputStream(new byte[0]));
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
protected Process gitDiffProcess(String branchName) throws IOException {
return process;
}
};
assertTrue(mojo.loadChangedFiles("any").isEmpty());
}
@Test
public void testLoadChangedFiles() throws MojoExecutionException {
final String expectedBranchName = "test-branch";
final Process process = mock(Process.class);
when(process.getInputStream()).thenReturn(new ByteArrayInputStream("changed".getBytes()));
when(process.getErrorStream()).thenReturn(new ByteArrayInputStream(new byte[0]));
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
protected Process gitDiffProcess(String branchName) throws IOException {
assertEquals(expectedBranchName, branchName);
return process;
}
};
List<String> result = mojo.loadChangedFiles(expectedBranchName);
assertEquals(1, result.size());
assertEquals("changed", result.get(0));
}
@Test
public void testLoadIncludesWithEmptyChanges() throws MojoExecutionException {
final List<String> changedFiles = Collections.emptyList();
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
public List<String> loadChangedFiles(String branchName) throws MojoExecutionException {
return changedFiles;
}
};
MavenProject project = mock(MavenProject.class);
when(project.getCompileSourceRoots()).thenReturn(Arrays.asList("src/main/java"));
when(project.getBasedir()).thenReturn(new File(System.getProperty("user.dir")));
mojo.setProject(project);
List<String> result = mojo.loadIncludes();
assertEquals(1, result.size());
assertEquals("", result.get(0));
}
@Test
public void testLoadIncludes() throws MojoExecutionException {
final List<String> changedFiles =
Arrays.asList("src/main/java/a/A.java", "src/test/java/a/B.java", "src/main/java/a/C.txt");
JacocoReportChangesMojo mojo =
new JacocoReportChangesMojo() {
@Override
public List<String> loadChangedFiles(String branchName) throws MojoExecutionException {
return changedFiles;
}
};
MavenProject project = mock(MavenProject.class);
when(project.getCompileSourceRoots()).thenReturn(Arrays.asList("src/main/java"));
when(project.getBasedir()).thenReturn(new File(System.getProperty("user.dir")));
mojo.setProject(project);
assertEquals(
Arrays.asList("a" + System.getProperty("file.separator") + "A" + CLASS_SUFFIX),
mojo.loadIncludes());
}
@Test
public void testConstants() {
MavenProject project = mock(MavenProject.class);
Renderer siteRenderer = mock(Renderer.class);
JacocoReportChangesMojo mojo = new JacocoReportChangesMojo();
mojo.setProject(project);
mojo.setSiteRenderer(siteRenderer);
assertEquals(project, mojo.getProject());
assertEquals(siteRenderer, mojo.getSiteRenderer());
assertEquals("jacoco-changes/index", mojo.getOutputName());
assertEquals("JaCoCo Changes Test", mojo.getName(null));
assertFalse(mojo.isJacocoSkip());
}
@Test(expected = MojoExecutionException.class)
public void testInjectError() throws MojoExecutionException {
JacocoReportChangesMojo mojo = new JacocoReportChangesMojo();
mojo.inject(JacocoReportChangesMojo.class, "not-existing-field", "value");
}
