Java tutorial
/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.databinding.compilationTest; import org.apache.commons.lang3.StringUtils; import org.junit.Test; import android.databinding.tool.processing.ErrorMessages; import android.databinding.tool.processing.ScopedErrorReport; import android.databinding.tool.processing.ScopedException; import android.databinding.tool.store.Location; import java.io.File; import java.io.IOException; import java.net.URISyntaxException; import java.util.List; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNotEquals; import static org.junit.Assert.assertNotNull; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; public class SimpleCompilationTest extends BaseCompilationTest { @Test public void listTasks() throws IOException, URISyntaxException, InterruptedException { prepareProject(); CompilationResult result = runGradle("tasks"); assertEquals(0, result.resultCode); assertTrue("there should not be any errors", StringUtils.isEmpty(result.error)); assertTrue("Test sanity, empty project tasks", result.resultContainsText("All tasks runnable from root project")); } @Test public void testEmptyCompilation() throws IOException, URISyntaxException, InterruptedException { prepareProject(); CompilationResult result = runGradle("assembleDebug"); assertEquals(result.error, 0, result.resultCode); assertTrue("there should not be any errors " + result.error, StringUtils.isEmpty(result.error)); assertTrue("Test sanity, should compile fine", result.resultContainsText("BUILD SUCCESSFUL")); } private ScopedException singleFileErrorTest(String resource, String targetFile, String expectedExtract, String errorMessage) throws IOException, URISyntaxException, InterruptedException { prepareProject(); copyResourceTo(resource, targetFile); CompilationResult result = runGradle("assembleDebug"); assertNotEquals(0, result.resultCode); ScopedException scopedException = result.getBindingException(); assertNotNull(result.error, scopedException); ScopedErrorReport report = scopedException.getScopedErrorReport(); assertNotNull(report); assertEquals(1, report.getLocations().size()); Location loc = report.getLocations().get(0); if (expectedExtract != null) { String extract = extract(targetFile, loc); assertEquals(expectedExtract, extract); } final File errorFile = new File(report.getFilePath()); assertTrue(errorFile.exists()); assertEquals(new File(testFolder, targetFile).getCanonicalFile(), errorFile.getCanonicalFile()); if (errorMessage != null) { assertEquals(errorMessage, scopedException.getBareMessage()); } return scopedException; } @Test public void testMultipleExceptionsInDifferentFiles() throws IOException, URISyntaxException, InterruptedException { prepareProject(); copyResourceTo("/layout/undefined_variable_binding.xml", "/app/src/main/res/layout/broken.xml"); copyResourceTo("/layout/invalid_setter_binding.xml", "/app/src/main/res/layout/invalid_setter.xml"); CompilationResult result = runGradle("assembleDebug"); assertNotEquals(result.output, 0, result.resultCode); List<ScopedException> bindingExceptions = result.getBindingExceptions(); assertEquals(result.error, 2, bindingExceptions.size()); File broken = new File(testFolder, "/app/src/main/res/layout/broken.xml"); File invalidSetter = new File(testFolder, "/app/src/main/res/layout/invalid_setter.xml"); for (ScopedException exception : bindingExceptions) { ScopedErrorReport report = exception.getScopedErrorReport(); final File errorFile = new File(report.getFilePath()); String message = null; String expectedErrorFile = null; if (errorFile.getCanonicalPath().equals(broken.getCanonicalPath())) { message = String.format(ErrorMessages.UNDEFINED_VARIABLE, "myVariable"); expectedErrorFile = "/app/src/main/res/layout/broken.xml"; } else if (errorFile.getCanonicalPath().equals(invalidSetter.getCanonicalPath())) { message = String.format(ErrorMessages.CANNOT_FIND_SETTER_CALL, "android:textx", String.class.getCanonicalName()); expectedErrorFile = "/app/src/main/res/layout/invalid_setter.xml"; } else { fail("unexpected exception " + exception.getBareMessage()); } assertEquals(1, report.getLocations().size()); Location loc = report.getLocations().get(0); String extract = extract(expectedErrorFile, loc); assertEquals("myVariable", extract); assertEquals(message, exception.getBareMessage()); } } @Test public void testUndefinedVariable() throws IOException, URISyntaxException, InterruptedException { ScopedException ex = singleFileErrorTest("/layout/undefined_variable_binding.xml", "/app/src/main/res/layout/broken.xml", "myVariable", String.format(ErrorMessages.UNDEFINED_VARIABLE, "myVariable")); } @Test public void testInvalidSetterBinding() throws IOException, URISyntaxException, InterruptedException { prepareProject(); ScopedException ex = singleFileErrorTest("/layout/invalid_setter_binding.xml", "/app/src/main/res/layout/invalid_setter.xml", "myVariable", String.format( ErrorMessages.CANNOT_FIND_SETTER_CALL, "android:textx", String.class.getCanonicalName())); } @Test public void testInvalidVariableType() throws IOException, URISyntaxException, InterruptedException { prepareProject(); ScopedException ex = singleFileErrorTest("/layout/invalid_variable_type.xml", "/app/src/main/res/layout/invalid_variable.xml", "myVariable", String.format(ErrorMessages.CANNOT_RESOLVE_TYPE, "myVariable~")); } @Test public void testSingleModule() throws IOException, URISyntaxException, InterruptedException { prepareApp(toMap(KEY_DEPENDENCIES, "compile project(':module1')", KEY_SETTINGS_INCLUDES, "include ':app'\ninclude ':module1'")); prepareModule("module1", "com.example.module1", toMap()); copyResourceTo("/layout/basic_layout.xml", "/module1/src/main/res/layout/module_layout.xml"); copyResourceTo("/layout/basic_layout.xml", "/app/src/main/res/layout/app_layout.xml"); CompilationResult result = runGradle("assembleDebug"); assertEquals(result.error, 0, result.resultCode); } @Test public void testTwoLevelDependency() throws IOException, URISyntaxException, InterruptedException { prepareApp(toMap(KEY_DEPENDENCIES, "compile project(':module1')", KEY_SETTINGS_INCLUDES, "include ':app'\ninclude ':module1'\n" + "include ':module2'")); prepareModule("module1", "com.example.module1", toMap(KEY_DEPENDENCIES, "compile project(':module2')")); prepareModule("module2", "com.example.module2", toMap()); copyResourceTo("/layout/basic_layout.xml", "/module2/src/main/res/layout/module2_layout.xml"); copyResourceTo("/layout/basic_layout.xml", "/module1/src/main/res/layout/module1_layout.xml"); copyResourceTo("/layout/basic_layout.xml", "/app/src/main/res/layout/app_layout.xml"); CompilationResult result = runGradle("assembleDebug"); assertEquals(result.error, 0, result.resultCode); } @Test public void testIncludeInMerge() throws Throwable { prepareProject(); copyResourceTo("/layout/merge_include.xml", "/app/src/main/res/layout/merge_include.xml"); CompilationResult result = runGradle("assembleDebug"); assertNotEquals(0, result.resultCode); List<ScopedException> errors = ScopedException.extractErrors(result.error); assertEquals(result.error, 1, errors.size()); final ScopedException ex = errors.get(0); final ScopedErrorReport report = ex.getScopedErrorReport(); final File errorFile = new File(report.getFilePath()); assertTrue(errorFile.exists()); assertEquals(new File(testFolder, "/app/src/main/res/layout/merge_include.xml").getCanonicalFile(), errorFile.getCanonicalFile()); assertEquals("Merge shouldn't support includes as root. Error message was '" + result.error, ErrorMessages.INCLUDE_INSIDE_MERGE, ex.getBareMessage()); } }