Splits tests into fast unit tests and slow functional tests

2 files changed, 67 insertions, 159 deletions

diff --git a/src/test/java/ch/fhnw/thga/gradleplugins/FregeDTOTest.java b/src/test/java/ch/fhnw/thga/gradleplugins/FregeDTOTest.java
new file mode 100644
index 0000000..8df6eae
--- /dev/null
+++ b/src/test/java/ch/fhnw/thga/gradleplugins/FregeDTOTest.java
@@ -0,0 +1,67 @@
+package ch.fhnw.thga.gradleplugins;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.stream.Stream;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.Test;
+
+public class FregeDTOTest {
+    private final FregeDTOBuilder fregeBuilder = new FregeDTOBuilder();
+
+    private static String buildFilePluginString(String pluginId) {
+        return String.format("id '%s'", pluginId);
+    }
+
+    static String createPluginsSection(Stream<String> pluginIds) {
+        String plugins = pluginIds.map(pluginId -> buildFilePluginString(pluginId)).collect(Collectors.joining("\n  "));
+        return String.format("plugins {\n  %s\n}\n", plugins);
+    }
+
+    // TODO: Is there a better alternative?
+    // needed helper method because reflection does NOT return the fields in order
+    private void assertStringContainsSubStrings(String s, Stream<String> subStrings) {
+        assertTrue(subStrings.allMatch(substring -> s.contains(substring)));
+    }
+
+    @Test
+    void given_version_then_fregeDTO_can_be_converted_to_build_file_string() {
+        FregeDTO fregeDTO = fregeBuilder.version("'3.25'").build();
+        String expected = "version = '3.25'";
+        assertEquals(expected, fregeDTO.toBuildFile());
+    }
+
+    @Test
+    void given_version_and_release_then_fregeDTO_can_be_converted_to_build_file_string() {
+        FregeDTO fregeDTO = fregeBuilder.version("'3.25'").release("'3.25alpha'").build();
+        String expected = "version = '3.25'\n  release = '3.25alpha'";
+        assertStringContainsSubStrings(expected, fregeDTO.toBuildFile().lines());
+    }
+
+    @Test
+    void given_version_release_and_compiler_download_dir_then_fregeDTO_can_be_converted_to_build_file_string() {
+        FregeDTO fregeDTO = fregeBuilder.version("'3.25'").release("'3.25alpha'")
+                .compilerDownloadDir("layout.projectDirectory.dir('dist')").build();
+        String expected = "version = '3.25'\n  release = '3.25alpha'\n  compilerDownloadDir = layout.projectDirectory.dir('dist')";
+        assertStringContainsSubStrings(expected, fregeDTO.toBuildFile().lines());
+    }
+
+    @Test
+    void given_single_plugin_id_then_it_is_correctly_converted_to_build_file_string() {
+        String pluginId = "frege";
+        Stream<String> pluginIds = Stream.of(pluginId);
+        String expected = "plugins {\n" + "  id '" + pluginId + "'\n" + "}\n";
+        assertEquals(expected, createPluginsSection(pluginIds));
+    }
+
+    @Test
+    void given_multiple_plugin_ids_then_they_are_correctly_converted_to_build_file_string() {
+        String fregeId = "frege";
+        String javaId = "java";
+        Stream<String> pluginIds = Stream.of(fregeId, javaId);
+        String expected = "plugins {\n" + "  id '" + fregeId + "'\n" + "  id '" + javaId + "'\n" + "}\n";
+        assertEquals(expected, createPluginsSection(pluginIds));
+    }
+}
diff --git a/src/test/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java b/src/test/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
deleted file mode 100644
index 81ba9ad..0000000
--- a/src/test/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
+++ /dev/null
@@ -1,159 +0,0 @@
-package ch.fhnw.thga.gradleplugins;
-
-import static ch.fhnw.thga.gradleplugins.FregeExtension.DEFAULT_DOWNLOAD_DIRECTORY;
-import static ch.fhnw.thga.gradleplugins.FregePlugin.COMPILE_FREGE_TASK_NAME;
-import static ch.fhnw.thga.gradleplugins.FregePlugin.FREGE_EXTENSION_NAME;
-import static ch.fhnw.thga.gradleplugins.FregePlugin.FREGE_PLUGIN_ID;
-import static ch.fhnw.thga.gradleplugins.FregePlugin.SETUP_FREGE_TASK_NAME;
-import static org.gradle.testkit.runner.TaskOutcome.SUCCESS;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.io.BufferedWriter;
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import org.gradle.api.Project;
-import org.gradle.testfixtures.ProjectBuilder;
-import org.gradle.testkit.runner.BuildResult;
-import org.gradle.testkit.runner.GradleRunner;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.io.TempDir;
-
-public class FregePluginFunctionalTest {
-
-    private final FregeDTOBuilder fregeBuilder = new FregeDTOBuilder();
-
-    @TempDir
-    File testProjectDir;
-    private File buildFile;
-    private File settingsFile;
-    private Project project;
-
-    private void writeFile(File destination, String content, boolean append) throws IOException {
-        BufferedWriter output = null;
-        try {
-            output = new BufferedWriter(new FileWriter(destination, append));
-            output.write(content);
-        } finally {
-            if (output != null) {
-                output.close();
-            }
-        }
-    }
-
-    private void writeToFile(File destination, String content) throws IOException {
-        writeFile(destination, content, false);
-    }
-
-    private void appendToFile(File destination, String content) throws IOException {
-        writeFile(destination, "\n" + content, true);
-    }
-
-    private static String buildFilePluginString(String pluginId) {
-        return String.format("id '%s'", pluginId);
-    }
-
-    private static String createPluginsSection(Stream<String> pluginIds) {
-        String plugins = pluginIds.map(pluginId -> buildFilePluginString(pluginId)).collect(Collectors.joining("\n  "));
-        return String.format("plugins {\n  %s\n}\n", plugins);
-    }
-
-    private static String createFregeSection(FregeDTO fregeDTO) {
-        return String.format("%s {\n  %s\n}", FREGE_EXTENSION_NAME, fregeDTO.toBuildFile());
-    }
-
-    private void assertGradleTaskOutcome(String buildFileTaskConfig, String taskName) throws Exception {
-        appendToFile(buildFile, buildFileTaskConfig);
-        BuildResult result = GradleRunner.create().withProjectDir(testProjectDir).withPluginClasspath()
-                .withArguments(taskName).build();
-        System.out.println(result.getOutput());
-        assertEquals(SUCCESS, result.task(":" + taskName).getOutcome());
-    }
-
-    @BeforeEach
-    void setup() throws Exception {
-        buildFile = new File(testProjectDir, "build.gradle");
-        settingsFile = new File(testProjectDir, "settings.gradle");
-        writeToFile(buildFile, createPluginsSection(Stream.of(FREGE_PLUGIN_ID)));
-        writeToFile(settingsFile, "rootProject.name='frege-plugin'");
-        project = ProjectBuilder.builder().withProjectDir(testProjectDir).build();
-        project.getPluginManager().apply(FREGE_PLUGIN_ID);
-    }
-
-    @Test
-    void given_version_and_release_then_fregeDTO_can_be_converted_to_build_file_string() {
-        FregeDTO fregeDTO = fregeBuilder.version("'3.25'").release("'3.25alpha'").build();
-        String expected = "version = '3.25'\n  release = '3.25alpha'";
-        assertEquals(expected, fregeDTO.toBuildFile());
-    }
-
-    @Test
-    void given_version_release_and_compiler_download_dir_then_fregeDTO_can_be_converted_to_build_file_string() {
-        FregeDTO fregeDTO = fregeBuilder.version("'3.25'").release("'3.25alpha'")
-                .compilerDownloadDir("layout.projectDirectory.dir('dist')").build();
-        String expected = "version = '3.25'\n  release = '3.25alpha'\n  compilerDownloadDir = layout.projectDirectory.dir('dist')";
-        assertEquals(expected, fregeDTO.toBuildFile());
-    }
-
-    @Test
-    void given_single_plugin_id_then_it_is_correctly_converted_to_build_file_string() {
-        String pluginId = "frege";
-        Stream<String> pluginIds = Stream.of(pluginId);
-        String expected = "plugins {\n" + "  id '" + pluginId + "'\n" + "}\n";
-        assertEquals(expected, createPluginsSection(pluginIds));
-    }
-
-    @Test
-    void given_multiple_plugin_ids_then_they_are_correctly_converted_to_build_file_string() {
-        String fregeId = "frege";
-        String javaId = "java";
-        Stream<String> pluginIds = Stream.of(fregeId, javaId);
-        String expected = "plugins {\n" + "  id '" + fregeId + "'\n" + "  id '" + javaId + "'\n" + "}\n";
-        assertEquals(expected, createPluginsSection(pluginIds));
-    }
-
-    @Test
-    void given_setup_frege_compiler_task_when_frege_version_and_frege_release_is_specified_then_frege_compiler_is_successfully_downloaded_to_default_directory()
-            throws Exception {
-        FregeDTO minimalFregeDTO = fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build();
-        assertTrue(project.getTasks().getByName(SETUP_FREGE_TASK_NAME) instanceof SetupFregeTask);
-        assertGradleTaskOutcome(createFregeSection(minimalFregeDTO), SETUP_FREGE_TASK_NAME);
-        assertTrue(testProjectDir.toPath().resolve(Paths.get(DEFAULT_DOWNLOAD_DIRECTORY, "frege3.25.84.jar")).toFile()
-                .exists());
-    }
-
-    @Test
-    void given_setup_frege_compiler_task_when_frege_version_and_frege_release_and_download_directory_is_specified_then_frege_compiler_is_successfully_downloaded_to_specified_directory()
-            throws Exception {
-        FregeDTO fregeDTO = fregeBuilder.version("'3.25.84'").release("'3.25alpha'")
-                .compilerDownloadDir("layout.projectDirectory.dir('dist')").build();
-        assertTrue(project.getTasks().getByName(SETUP_FREGE_TASK_NAME) instanceof SetupFregeTask);
-        assertGradleTaskOutcome(createFregeSection(fregeDTO), SETUP_FREGE_TASK_NAME);
-        assertTrue(testProjectDir.toPath().resolve(Paths.get("dist", "frege3.25.84.jar")).toFile().exists());
-    }
-
-    @Test
-    void frege_compile_task_is_correctly_executed() throws Exception {
-        String fregeCode = "module ch.fhnw.thga.Completion where\n\n" + "complete :: Int -> (Int, String)\n"
-                + "complete i = (i, \"Frege rocks\")\n";
-        Files.createDirectories(testProjectDir.toPath().resolve(Paths.get("src", "main", "frege")));
-        File completionFr = testProjectDir.toPath().resolve(Paths.get("src", "main", "frege", "Completion.fr"))
-                .toFile();
-        writeToFile(completionFr, fregeCode);
-        FregeDTO minimalFregeDTO = fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build();
-        assertTrue(project.getTasks().getByName(COMPILE_FREGE_TASK_NAME) instanceof CompileFregeTask);
-        assertGradleTaskOutcome(createFregeSection(minimalFregeDTO), COMPILE_FREGE_TASK_NAME);
-        assertTrue(new File(testProjectDir.getAbsolutePath() + "/build/classes/main/frege/ch/fhnw/thga/Completion.java")
-                .exists());
-        assertTrue(
-                new File(testProjectDir.getAbsolutePath() + "/build/classes/main/frege/ch/fhnw/thga/Completion.class")
-                        .exists());
-    }
-}
\ No newline at end of file