aboutsummaryrefslogtreecommitdiff
path: root/src/functionalTest/java/ch/fhnw/thga/gradleplugins/FregePluginFunctionalTest.java
blob: e93bd19b3fd26f69ad0b2977f4afec7948d0d964 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
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 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.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.AfterEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayNameGenerator;
import org.junit.jupiter.api.IndicativeSentencesGeneration;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import org.junit.jupiter.api.io.TempDir;

@TestInstance(Lifecycle.PER_CLASS)
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 {
        try (BufferedWriter output = new BufferedWriter(new FileWriter(destination, append))) {
            output.write(content);
        }
    }

    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 createFregeSection(FregeDTO fregeDTO) {
        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();
    }

    @BeforeAll
    void beforeAll() throws Exception {
        settingsFile = new File(testProjectDir, "settings.gradle");
        writeToFile(settingsFile, "rootProject.name='frege-plugin'");
        project = ProjectBuilder.builder().withProjectDir(testProjectDir).build();
        project.getPluginManager().apply(FREGE_PLUGIN_ID);

    }

    @BeforeEach
    void setup() throws Exception {
        buildFile = new File(testProjectDir, "build.gradle");
        writeToFile(buildFile, createPluginsSection(Stream.of(FREGE_PLUGIN_ID)));
    }

    @AfterEach
    void cleanup() {
        buildFile.delete();
    }

    @Nested
    @IndicativeSentencesGeneration(separator = " -> ", generator = DisplayNameGenerator.ReplaceUnderscores.class)
    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());
            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"))
                    .toFile().exists());
        }

        @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());
            appendToFile(buildFile, buildFileConfigWithCustomDownloadDir);

            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("dist", "frege3.25.84.jar")).toFile().exists());
        }
    }

    @Nested
    @IndicativeSentencesGeneration(separator = " -> ", generator = DisplayNameGenerator.ReplaceUnderscores.class)
    class Compile_frege_task_works {

        @Test
        void given_frege_code_in_src_main_frege_and_minimal_build_file_config() 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);
            String minimalBuildFileConfig = createFregeSection(fregeBuilder.version("'3.25.84'").release("'3.25alpha'").build());
            appendToFile(buildFile, minimalBuildFileConfig);

            BuildResult result = runGradleTask(COMPILE_FREGE_TASK_NAME);

            assertTrue(project.getTasks().getByName(COMPILE_FREGE_TASK_NAME) instanceof CompileFregeTask);
            assertEquals(SUCCESS, result.task(":" + COMPILE_FREGE_TASK_NAME).getOutcome());
            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());
        }
    }
}