@Test
public void shouldConfigureProjectsWithCircularDependencies() throws CoreException, IOException {
// the bug appeared when at least 3 projects were involved: the first project depends on the
// second one which has a circular dependency
// towards the second one
Properties sonarProperties = new Properties();
// mock three projects that depend on each other
final String project1Name = "project1";
final String project2Name = "project2";
final String project3Name = "project3";
IJavaProject project1 = mock(IJavaProject.class, Mockito.RETURNS_DEEP_STUBS);
IJavaProject project2 = mock(IJavaProject.class, Mockito.RETURNS_DEEP_STUBS);
IJavaProject project3 = mock(IJavaProject.class, Mockito.RETURNS_DEEP_STUBS);
// these are required during the call to configureJavaProject
when(project1.getOption(JavaCore.COMPILER_SOURCE, true)).thenReturn("1.6");
when(project1.getOption(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, true)).thenReturn("1.6");
when(project1.getProject().getName()).thenReturn(project1Name);
when(project2.getProject().getName()).thenReturn(project2Name);
when(project3.getProject().getName()).thenReturn(project3Name);
// create three classpathEntries, one for each Project
IClasspathEntry entryProject1 = mock(IClasspathEntry.class, Mockito.RETURNS_DEEP_STUBS);
IClasspathEntry entryProject2 = mock(IClasspathEntry.class, Mockito.RETURNS_DEEP_STUBS);
IClasspathEntry entryProject3 = mock(IClasspathEntry.class, Mockito.RETURNS_DEEP_STUBS);
when(entryProject1.getEntryKind()).thenReturn(IClasspathEntry.CPE_PROJECT);
when(entryProject1.getPath().segment(0)).thenReturn(project1Name);
when(entryProject2.getEntryKind()).thenReturn(IClasspathEntry.CPE_PROJECT);
when(entryProject2.getPath().segment(0)).thenReturn(project2Name);
when(entryProject3.getEntryKind()).thenReturn(IClasspathEntry.CPE_PROJECT);
when(entryProject3.getPath().segment(0)).thenReturn(project3Name);
// project1 depends on project2, which depends on project3, which depends on project2
IClasspathEntry[] classpath1 = new IClasspathEntry[] {entryProject2};
IClasspathEntry[] classpath2 = new IClasspathEntry[] {entryProject3};
IClasspathEntry[] classpath3 = new IClasspathEntry[] {entryProject2};
when(project1.getResolvedClasspath(true)).thenReturn(classpath1);
when(project2.getResolvedClasspath(true)).thenReturn(classpath2);
when(project3.getResolvedClasspath(true)).thenReturn(classpath3);
// mock the JavaModel
IJavaModel javaModel = mock(IJavaModel.class);
when(javaModel.getJavaProject(project1Name)).thenReturn(project1);
when(javaModel.getJavaProject(project2Name)).thenReturn(project2);
when(javaModel.getJavaProject(project3Name)).thenReturn(project3);
when(project1.getJavaModel()).thenReturn(javaModel);
when(project2.getJavaModel()).thenReturn(javaModel);
when(project3.getJavaModel()).thenReturn(javaModel);
// this call should not fail (StackOverFlowError before patch)
configurator.configureJavaProject(project1, sonarProperties);
}
