Examples of org.erlide.engine.model.root.IErlProject

org.erlide.engine.model.root.IErlProject
An Erlang project represents a view of a project resource in terms of Erlang elements such as applications, modules, attributes and functions. A project may contain several applications, which contain modules. An application corresponds to an underlying folder.
Each Erlang project has a code path, defining which folders contain source code and where required libraries are located. Each Erlang project also has an output location, defining where the builder writes .beam files. A project that references modules in another project can access the modules by including the required project in a code path entry. The Erlang model will present the source elements in the required project; when building, the compiler will use the corresponding generated beam files from the required project's output location(s). The code path format is a sequence of code path entries describing the location and contents of applications.
Erlang project elements need to be opened before they can be navigated or manipulated. The children of a Erlang project are the package fragment roots that are defined by the classpath and contained in this project (in other words, it does not include package fragment roots for other projects).

@noimplement This interface is not intended to be implemented by clients. Aninstance of one of these handles can be created via ErlangCore.create(project).
@see ErlangCore#createRoot(org.eclipse.core.resources.IProject)

        creator = new ProjectCreator(name, location, new IProject[] {}, info, context,
                null);
        prj = creator.createProject();
        assertThat(prj, is(not(nullValue())));


        final IErlProject erlPrj = ErlangEngine.getInstance().getModel().findProject(prj);
        assertThat(erlPrj, is(not(nullValue())));


        final ErlangProjectProperties props = erlPrj.getProperties();
        assertThat(props.getSourceDirs(),
                contains((IPath) new Path("src"), (IPath) new Path("foz")));


        final IResource r = prj.findMember(ProjectConfigType.REBAR.getConfigName());
        assertThat(r, is(not(nullValue())));

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    }


    // String getExternalIncludesString();
    @Test
    public void getExternalIncludesString() throws Exception {
        final IErlProject aProject = project2;
        final String externalIncludesString = aProject.getProperties()
                .getExternalIncludes();
        try {
            final String s = "/tjo";
            ((ErlProject) aProject).setExternalIncludesFile(s);
            assertEquals(s, aProject.getProperties().getExternalIncludes());
        } finally {
            ((ErlProject) aProject).setExternalIncludesFile(externalIncludesString);
        }
    }

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    // void setIncludeDirs(Collection<IPath> includeDirs)
    // throws BackingStoreException;
    @Test
    public void setIncludeDirs() throws Exception {
        File externalFile = null;
        final IErlProject aProject = project2;
        final Collection<IPath> includeDirs = aProject.getProperties().getIncludeDirs();
        try {
            // given
            // an erlang project and an external file not in any project
            final String externalFileName = "external.hrl";
            externalFile = createTmpFile(externalFileName, "-define(E, hej).\n");
            final String absolutePath = externalFile.getAbsolutePath();
            final List<IPath> newIncludeDirs = Lists.newArrayList(includeDirs);
            aProject.open(null);
            final Collection<IErlModule> otpIncludes = aProject.getExternalIncludes();
            final IPath absoluteDir = new Path(absolutePath).removeLastSegments(1);
            newIncludeDirs.add(absoluteDir);
            ((ErlProject) aProject).setIncludeDirs(newIncludeDirs);
            aProject.open(null);
            // when
            // fetching all external includes
            final Collection<IErlModule> externalIncludes = aProject
                    .getExternalIncludes();
            // then
            // the external file should be returned
            final Set<IErlModule> otpSet = Sets.newHashSet(otpIncludes);
            final Set<IErlModule> externalSet = Sets.newHashSet(externalIncludes);

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    // void setSourceDirs(Collection<IPath> sourceDirs)
    // throws BackingStoreException;
    @Test
    public void setSourceDirs() throws Exception {
        final IErlProject aProject = project;
        final Collection<IPath> sourceDirs = aProject.getProperties().getSourceDirs();
        try {
            // given
            // an Erlang project and a module
            final IPath srcxPath = new Path("srcx");
            final List<IPath> srcxDirs = Lists.newArrayList(srcxPath);
            aProject.open(null);
            // when
            // setting source dirs so the module is on source path
            final Collection<IErlModule> modules = aProject.getModules();
            ((ErlProject) aProject).setSourceDirs(srcxDirs);
            aProject.open(null);
            final Collection<IErlModule> srcxModules = aProject.getModules();
            ((ErlProject) aProject).setSourceDirs(sourceDirs);
            aProject.open(null);
            final Collection<IErlModule> modulesAgain = aProject.getModules();
            // then
            // the it should be returned, but not otherwise
            assertEquals(0, srcxModules.size());
            assertTrue(modules.size() > 0);
            assertEquals(module, modules.iterator().next());

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    }


    // RuntimeInfo getRuntimeInfo();
    @Test
    public void getRuntimeInfo() throws Exception {
        final IErlProject aProject = project2;
        final RuntimeInfo info = aProject.getRuntimeInfo();
        // final String expected = ResourcesPlugin.getWorkspace().getRoot()
        // .getLocation().toString();
        assertNotNull(info);
        // The working dir might be relative to the project and can also be "."
        // We need to convert it to a canonical absolute path in order to be

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    }


    // RuntimeVersion getRuntimeVersion();
    @Test
    public void getRuntimeVersion() throws Exception {
        final IErlProject aProject = project2;
        final RuntimeVersion version = aProject.getRuntimeVersion();
        assertNotNull(version);
        final int majorVersion = version.getMajor();
        assertTrue(majorVersion >= 12);
    }

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    }


    // TODO check more properties than source dirs property
    @Test
    public void setProperties() throws Exception {
        final IErlProject aProject = project2;
        final Collection<IPath> sourceDirs = aProject.getProperties().getSourceDirs();
        try {
            final ErlangProjectProperties properties = aProject.getProperties();
            final IPath srcx = new Path("srcx");
            properties.setSourceDirs(Lists.newArrayList(srcx));
            aProject.setProperties(properties);
            final Collection<IPath> sourceDirs2 = aProject.getProperties()
                    .getSourceDirs();
            assertEquals(1, sourceDirs2.size());
            assertEquals(srcx, sourceDirs2.iterator().next());
        } finally {
            ((ErlProject) aProject).setSourceDirs(sourceDirs);

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            aProject.setDescription(description, null);
        }
    }


    public void getProjectReferences_closedProject() throws Exception {
        final IErlProject erlProject = project2;
        final IProject aProject = erlProject.getWorkspaceProject();
        try {
            aProject.close(null);
            erlProject.getReferencedProjects();
        } finally {
            if (!aProject.isOpen()) {
                aProject.open(null);
            }
        }

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    @Before
    public void setup() throws Exception {
        // We set up projects here, it's quite costly
        final String name1 = "testproject1";
        final IErlProject erlProject1 = createProject(name1, getTmpPath(name1));
        final String name2 = "testproject2";
        final IErlProject erlProject2 = createProject(name2, getTmpPath(name2));
        projects = new IErlProject[] { erlProject1, erlProject2 };
    }

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    @Test
    public void findIncludeFile() throws Exception {
        // given
        // a project with a module and an include including file.hrl
        final IErlProject project = projects[0];
        final String includeName = "a.hrl";
        final IErlModule include = createModule(
                project,
                includeName,
                "-include_lib(\"kernel/include/file.hrl\").\n-record(rec1, {field, another=def}).\n-define(MACRO(A), lists:reverse(A)).\n");

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