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Created JSON Compilation Database Generator preference page and set file
generation on false by default. Added JUnit test to test the generation of the file
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...ts/tests/org/eclipse/cdt/managedbuilder/core/tests/CompilationDatabaseGenerationTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,187 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2019, 2020 Marc-Andre Laperle. | ||
| * | ||
| * This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License 2.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| *******************************************************************************/ | ||
| package org.eclipse.cdt.managedbuilder.core.tests; | ||
|
|
||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertFalse; | ||
| import static org.junit.jupiter.api.Assertions.assertTrue; | ||
|
|
||
| import java.io.FileReader; | ||
| import java.io.IOException; | ||
|
|
||
| import org.eclipse.cdt.managedbuilder.core.ManagedBuilderCorePlugin; | ||
| import org.eclipse.cdt.managedbuilder.core.jsoncdb.CompilationDatabaseInformation; | ||
| import org.eclipse.cdt.managedbuilder.testplugin.AbstractBuilderTest; | ||
| import org.eclipse.cdt.managedbuilder.testplugin.ManagedBuildTestHelper; | ||
| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.core.resources.IProject; | ||
| import org.eclipse.core.resources.IncrementalProjectBuilder; | ||
| import org.eclipse.core.runtime.CoreException; | ||
| import org.eclipse.core.runtime.preferences.InstanceScope; | ||
| import org.eclipse.jface.preference.IPreferenceStore; | ||
| import org.eclipse.ui.preferences.ScopedPreferenceStore; | ||
| import org.junit.Test; | ||
|
|
||
| import com.google.gson.Gson; | ||
| import com.google.gson.JsonArray; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonIOException; | ||
|
|
||
| public class CompilationDatabaseGenerationTest extends AbstractBuilderTest { | ||
|
|
||
| /** | ||
| * Tests generation of compile_commands.json in "build" folder | ||
| * @throws CoreException | ||
| */ | ||
| @Test | ||
| public void testCompilationDatabaseGeneration() throws CoreException { | ||
| setWorkspace("regressions"); | ||
| final IProject app = loadProject("helloworldC"); | ||
| isGenerateFileOptionEnabled(true); | ||
| app.build(IncrementalProjectBuilder.FULL_BUILD, null); | ||
| IFile compilationDatabase = app.getFile("build/compile_commands.json"); | ||
| assertTrue(compilationDatabase.exists()); | ||
| } | ||
|
|
||
| /** | ||
| * Tests format for compile_commands.json. JSON array is expected, containing an element for the c file | ||
| * @throws JsonIOException | ||
| * @throws CoreException | ||
| */ | ||
| @Test | ||
| public void testJsonFormat() throws JsonIOException, CoreException { | ||
| setWorkspace("regressions"); | ||
| final IProject app = loadProject("helloworldC"); | ||
| isGenerateFileOptionEnabled(true); | ||
| app.build(IncrementalProjectBuilder.FULL_BUILD, null); | ||
| IFile commandsFile = app.getFile("build/compile_commands.json"); | ||
| if (commandsFile.exists()) { | ||
|
|
||
| try (FileReader reader = new FileReader(commandsFile.getLocation().toFile())) { | ||
| Gson gson = new Gson(); | ||
| JsonArray jsonArray = gson.fromJson(reader, JsonArray.class); | ||
| System.out.println(jsonArray); | ||
| for (JsonElement element : jsonArray) { | ||
| CompilationDatabaseInformation compileCommand = gson.fromJson(element, | ||
| CompilationDatabaseInformation.class); | ||
|
|
||
| assertTrue(compileCommand.directory() != null && !compileCommand.directory().isEmpty()); | ||
| assertTrue(compileCommand.command() != null && !compileCommand.command().isEmpty()); | ||
| assertTrue(compileCommand.file() != null && !compileCommand.file().isEmpty()); | ||
| assertTrue(compileCommand.file().endsWith("src/helloworldC.c")); | ||
| } | ||
|
|
||
| } catch (IOException e) { | ||
| assertTrue(false); | ||
| } | ||
|
|
||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Test that compile_commands.json is correctly generated when more than one .c file is present as a source file | ||
| * @throws CoreException | ||
| */ | ||
| @Test | ||
| public void testMultipleFiles() throws CoreException { | ||
| setWorkspace("regressions"); | ||
| final IProject app = loadProject("helloworldC"); | ||
| IFile aFile = ManagedBuildTestHelper.createFile(app, "src/newFile.c"); | ||
| isGenerateFileOptionEnabled(true); | ||
| app.build(IncrementalProjectBuilder.FULL_BUILD, null); | ||
| IFile commandsFile = app.getFile("build/compile_commands.json"); | ||
| int numberOfElementsFound = 0; | ||
| boolean helloworldCIsPresent = false; | ||
| boolean newFileIsPresent = false; | ||
| try (FileReader reader = new FileReader(commandsFile.getLocation().toFile())) { | ||
| Gson gson = new Gson(); | ||
| JsonArray jsonArray = gson.fromJson(reader, JsonArray.class); | ||
| System.out.println(jsonArray); | ||
| for (JsonElement element : jsonArray) { | ||
| CompilationDatabaseInformation compileCommand = gson.fromJson(element, | ||
| CompilationDatabaseInformation.class); | ||
| numberOfElementsFound++; | ||
| if (compileCommand.file().endsWith("helloworldC.c")) { | ||
| helloworldCIsPresent = true; | ||
| } | ||
| if (compileCommand.file().endsWith("newFile.c")) { | ||
| newFileIsPresent = true; | ||
| } | ||
| } | ||
| assertEquals(2, numberOfElementsFound); | ||
| assertTrue(helloworldCIsPresent); | ||
| assertTrue(newFileIsPresent); | ||
| } catch (IOException e) { | ||
| assertTrue(false); | ||
| } | ||
|
|
||
| } | ||
|
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| /** | ||
| * Tests that cpp files are handled by compile_commands.json file generator | ||
| * @throws CoreException | ||
| */ | ||
| @Test | ||
| public void isCPPFileAllowed() throws CoreException { | ||
| setWorkspace("regressions"); | ||
| final IProject app = loadProject("helloworldCPP"); | ||
| isGenerateFileOptionEnabled(true); | ||
| app.build(IncrementalProjectBuilder.FULL_BUILD, null); | ||
| System.out.println(app.getLocation()); | ||
| IFile commandsFile = app.getFile("build/compile_commands.json"); | ||
| if (commandsFile.exists()) { | ||
|
|
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| try (FileReader reader = new FileReader(commandsFile.getLocation().toFile())) { | ||
| Gson gson = new Gson(); | ||
| JsonArray jsonArray = gson.fromJson(reader, JsonArray.class); | ||
| System.out.println(jsonArray); | ||
| for (JsonElement element : jsonArray) { | ||
| CompilationDatabaseInformation compileCommand = gson.fromJson(element, | ||
| CompilationDatabaseInformation.class); | ||
|
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| assertTrue(compileCommand.directory() != null && !compileCommand.directory().isEmpty()); | ||
| assertTrue(compileCommand.command() != null && !compileCommand.command().isEmpty()); | ||
| assertTrue(compileCommand.file() != null && !compileCommand.file().isEmpty()); | ||
| assertTrue(compileCommand.file().endsWith("src/helloworldCPP.cpp")); | ||
| } | ||
|
|
||
| } catch (IOException e) { | ||
| assertTrue(false); | ||
| } | ||
| } | ||
| } | ||
|
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| /** | ||
| * Tests that compilation database is not generated when feature is disabled | ||
| * @throws CoreException | ||
| */ | ||
| @Test | ||
| public void testCompilationDatabaseGenerationNotEnabled() throws CoreException { | ||
| setWorkspace("regressions"); | ||
| final IProject app = loadProject("helloworldC"); | ||
| isGenerateFileOptionEnabled(false); | ||
| app.build(IncrementalProjectBuilder.FULL_BUILD, null); | ||
| IFile compilationDatabase = app.getFile("build/compile_commands.json"); | ||
| assertFalse(compilationDatabase.exists()); | ||
| } | ||
|
|
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| public static boolean isGenerateFileOptionEnabled(boolean value) { | ||
| try { | ||
| IPreferenceStore preferenceStore = new ScopedPreferenceStore(InstanceScope.INSTANCE, | ||
| "org.eclipse.cdt.managedbuilder.ui"); //$NON-NLS-1$ | ||
| preferenceStore.setDefault("generateFile", value); | ||
| return preferenceStore.getBoolean("generateFile"); | ||
| } catch (Exception e) { | ||
| ManagedBuilderCorePlugin.log(e); | ||
| } | ||
| return false; | ||
| } | ||
| } |
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