}
    }

    void assertHasJavaFacetNatures() {
        assertHasNatures("org.eclipse.jdt.core.javanature",
            "org.eclipse.wst.common.project.facet.core.nature",
            "org.eclipse.wst.common.modulecore.ModuleCoreNature",
            "org.eclipse.jem.workbench.JavaEMFNature")
    }

    void assertHasNatures(String... natures) {
        assert this.project.natures.nature*.text() == natures as List

        buildFile << "apply plugin: 'eclipse-wtp'"

        when:
        run "eclipse"

        then:
        // Builders and natures
        def project = project
        project.assertHasNatures()
        project.assertHasBuilders()

        // Classpath
        !testDirectory.file('.classpath').exists()

        // Facets
        def facets = wtpFacets
        facets.assertHasFixedFacets()

        then:

        project.projectName == 'someBetterName'
        project.comment == 'a test project'
        project.assertHasReferencedProjects('some referenced project', 'some cool project')

        project.assertHasNatures('test.groovy.nature', 'test.java.nature')
        project.assertHasBuilders('org.eclipse.jdt.core.javabuilder','buildThisLovelyProject','buildWithTheArguments')