feat: adds two tests and makes them pass for new `runFregeTask`

1 files changed, 58 insertions, 16 deletions

diff --git a/src/functionalTest/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java b/src/functionalTest/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
index e93bd19..1ea8e90 100644
--- a/src/functionalTest/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
+++ b/src/functionalTest/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
@@ -2,11 +2,9 @@ package ch.fhnw.thga.gradleplugins;
 
 import static ch.fhnw.thga.gradleplugins.GradleBuildFileConversionTest.createPluginsSection;
 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 ch.fhnw.thga.gradleplugins.FregePlugin.*;
 import static org.gradle.testkit.runner.TaskOutcome.SUCCESS;
+import static org.gradle.testkit.runner.TaskOutcome.FAILED;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -35,6 +33,7 @@ import org.junit.jupiter.api.io.TempDir;
 
 @TestInstance(Lifecycle.PER_CLASS)
 public class FregePluginFunctionalTest {
+    private static final String NEW_LINE = System.lineSeparator();
 
     private final FregeDTOBuilder fregeBuilder = new FregeDTOBuilder();
 
@@ -62,9 +61,14 @@ public class FregePluginFunctionalTest {
         return String.format("%s {\n  %s\n}", FREGE_EXTENSION_NAME, fregeDTO.toBuildFile());
     }
 
-    private BuildResult runGradleTask(String taskName) {
-        return GradleRunner.create().withProjectDir(testProjectDir).withPluginClasspath()
-            .withArguments(taskName).build();
+    private BuildResult runGradleTask(String taskName, String... args) {
+        return GradleRunner.create().withProjectDir(testProjectDir).withPluginClasspath().withArguments(taskName)
+                .build();
+    }
+
+    private BuildResult runAndFailGradleTask(String taskName, String... args) {
+        return GradleRunner.create().withProjectDir(testProjectDir).withPluginClasspath().withArguments(taskName)
+                .buildAndFail();
     }
 
     @BeforeAll
@@ -92,13 +96,13 @@ public class FregePluginFunctionalTest {
     class Setup_frege_task_works {
 
         @Test
-        void given_minimal_build_file_config()
-                throws Exception {
-            String minimalBuildFileConfig = createFregeSection(fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build());
+        void given_minimal_build_file_config() throws Exception {
+            String minimalBuildFileConfig = createFregeSection(
+                    fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build());
             appendToFile(buildFile, minimalBuildFileConfig);
 
             BuildResult result = runGradleTask(SETUP_FREGE_TASK_NAME);
-            
+
             assertTrue(project.getTasks().getByName(SETUP_FREGE_TASK_NAME) instanceof SetupFregeTask);
             assertEquals(SUCCESS, result.task(":" + SETUP_FREGE_TASK_NAME).getOutcome());
             assertTrue(testProjectDir.toPath().resolve(Paths.get(DEFAULT_DOWNLOAD_DIRECTORY, "frege3.25.84.jar"))
@@ -106,10 +110,9 @@ public class FregePluginFunctionalTest {
         }
 
         @Test
-        void given_custom_frege_compiler_download_directory_in_build_file_config()
-                throws Exception {
-            String buildFileConfigWithCustomDownloadDir = createFregeSection(fregeBuilder.version("'3.25.84'").release("'3.25alpha'")
-                    .compilerDownloadDir("layout.projectDirectory.dir('dist')").build());
+        void given_custom_frege_compiler_download_directory_in_build_file_config() throws Exception {
+            String buildFileConfigWithCustomDownloadDir = createFregeSection(fregeBuilder.version("'3.25.84'")
+                    .release("'3.25alpha'").compilerDownloadDir("layout.projectDirectory.dir('dist')").build());
             appendToFile(buildFile, buildFileConfigWithCustomDownloadDir);
 
             BuildResult result = runGradleTask(SETUP_FREGE_TASK_NAME);
@@ -132,7 +135,8 @@ public class FregePluginFunctionalTest {
             File completionFr = testProjectDir.toPath().resolve(Paths.get("src", "main", "frege", "Completion.fr"))
                     .toFile();
             writeToFile(completionFr, fregeCode);
-            String minimalBuildFileConfig = createFregeSection(fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build());
+            String minimalBuildFileConfig = createFregeSection(
+                    fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build());
             appendToFile(buildFile, minimalBuildFileConfig);
 
             BuildResult result = runGradleTask(COMPILE_FREGE_TASK_NAME);
@@ -147,4 +151,42 @@ public class FregePluginFunctionalTest {
                             .exists());
         }
     }
+
+    @Nested
+    @IndicativeSentencesGeneration(separator = " -> ", generator = DisplayNameGenerator.ReplaceUnderscores.class)
+    class Run_frege_task_works {
+        @Test
+        void given_frege_file_with_main_function() throws Exception {
+            String fregeCode = String.join(NEW_LINE, "module ch.fhnw.thga.Main where", NEW_LINE, NEW_LINE,
+                    "  main = do", NEW_LINE, "    println \"Frege rocks\"", NEW_LINE);
+            Files.createDirectories(testProjectDir.toPath().resolve(Paths.get("src", "main", "frege")));
+            File mainFr = testProjectDir.toPath().resolve(Paths.get("src", "main", "frege", "Main.fr")).toFile();
+            writeToFile(mainFr, fregeCode);
+            String minimalBuildFileConfig = createFregeSection(
+                    fregeBuilder.version("'3.25.84'").release("'3.25alpha'").mainModule("'ch.fhnw.thga.Main'").build());
+            appendToFile(buildFile, minimalBuildFileConfig);
+
+            BuildResult result = runGradleTask(RUN_FREGE_TASK_NAME);
+            assertTrue(project.getTasks().getByName(RUN_FREGE_TASK_NAME) instanceof RunFregeTask);
+            assertEquals(SUCCESS, result.task(":" + RUN_FREGE_TASK_NAME).getOutcome());
+            assertTrue(result.getOutput().contains("Frege rocks"));
+        }
+
+        @Test
+        void given_frege_file_without_main_function() 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 completeFr = testProjectDir.toPath().resolve(Paths.get("src", "main", "frege", "Complete.fr")).toFile();
+            writeToFile(completeFr, fregeCode);
+            String minimalBuildFileConfig = createFregeSection(
+                    fregeBuilder.version("'3.25.84'").release("'3.25alpha'").mainModule("'ch.fhnw.thga.Completion'").build());
+            appendToFile(buildFile, minimalBuildFileConfig);
+
+            BuildResult result = runAndFailGradleTask(RUN_FREGE_TASK_NAME);
+            assertTrue(project.getTasks().getByName(RUN_FREGE_TASK_NAME) instanceof RunFregeTask);
+            assertEquals(FAILED, result.task(":" + RUN_FREGE_TASK_NAME).getOutcome());
+            assertTrue(result.getOutput().contains("Main method not found"));
+        }
+    }
 }
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