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/*
* 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.io.FileUtils;
import org.apache.commons.io.filefilter.PrefixFileFilter;
import org.apache.commons.io.filefilter.SuffixFileFilter;
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.Collection;
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;
@SuppressWarnings("ThrowableResultOfMethodCallIgnored")
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"));
}
@Test
public void testMultipleConfigs() throws IOException, URISyntaxException, InterruptedException {
prepareProject();
copyResourceTo("/layout/basic_layout.xml",
"/app/src/main/res/layout/main.xml");
copyResourceTo("/layout/basic_layout.xml",
"/app/src/main/res/layout-sw100dp/main.xml");
CompilationResult result = runGradle("assembleDebug");
assertEquals(result.error, 0, result.resultCode);
File debugOut = new File(testFolder,
"app/build/intermediates/data-binding-layout-out/debug");
Collection<File> layoutFiles = FileUtils.listFiles(debugOut, new SuffixFileFilter(".xml"),
new PrefixFileFilter("layout"));
assertTrue("test sanity", layoutFiles.size() > 1);
for (File layout : layoutFiles) {
final String contents = FileUtils.readFileToString(layout);
if (layout.getParent().contains("sw100")) {
assertTrue("File has wrong tag:" + layout.getPath(),
contents.indexOf("android:tag=\"layout-sw100dp/main_0\"") > 0);
} else {
assertTrue("File has wrong tag:" + layout.getPath() + "\n" + contents,
contents.indexOf("android:tag=\"layout/main_0\"")
> 0);
}
}
}
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 testBadSyntax() throws IOException, URISyntaxException, InterruptedException {
singleFileErrorTest("/layout/layout_with_bad_syntax.xml",
"/app/src/main/res/layout/broken.xml",
"myVar.length())",
String.format(ErrorMessages.SYNTAX_ERROR,
"extraneous input ')' expecting {<EOF>, ',', '.', '[', '+', '-', '*', '/', "
+ "'%', '<<', '>>>', '>>', '<=', '>=', '>', '<', 'instanceof', "
+ "'==', '!=', '&', '^', '|', '&&', '||', '?', '??'}"));
}
@Test
public void testBrokenSyntax() throws IOException, URISyntaxException, InterruptedException {
singleFileErrorTest("/layout/layout_with_completely_broken_syntax.xml",
"/app/src/main/res/layout/broken.xml",
"new String()",
String.format(ErrorMessages.SYNTAX_ERROR,
"mismatched input 'String' expecting {<EOF>, ',', '.', '[', '+', '-', '*', "
+ "'/', '%', '<<', '>>>', '>>', '<=', '>=', '>', '<', 'instanceof',"
+ " '==', '!=', '&', '^', '|', '&&', '||', '?', '??'}"));
}
@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 testRootTag() throws IOException, URISyntaxException,
InterruptedException {
prepareProject();
copyResourceTo("/layout/root_tag.xml", "/app/src/main/res/layout/root_tag.xml");
CompilationResult result = runGradle("assembleDebug");
assertNotEquals(0, result.resultCode);
assertNotNull(result.error);
final String expected = String.format(ErrorMessages.ROOT_TAG_NOT_SUPPORTED, "hello");
assertTrue(result.error.contains(expected));
}
@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 testModuleDependencyChange() throws IOException, URISyntaxException,
InterruptedException {
prepareApp(toMap(KEY_DEPENDENCIES, "compile project(':module1')",
KEY_SETTINGS_INCLUDES, "include ':app'\ninclude ':module1'"));
prepareModule("module1", "com.example.module1", toMap(
KEY_DEPENDENCIES, "compile 'com.android.support:appcompat-v7:23.1.1'"
));
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);
File moduleFolder = new File(testFolder, "module1");
copyResourceTo("/module_build.gradle", new File(moduleFolder, "build.gradle"),
toMap());
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());
}
}