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package com.xtremelabs.robolectric.util;
import com.xtremelabs.robolectric.RobolectricConfig;
import java.io.File;
import java.io.FileInputStream;
import java.util.Collection;
import java.util.Map;
import java.util.Properties;
import static org.junit.Assert.assertTrue;
public abstract class TestUtil {
public static File testDirLocation;
public static void assertEquals(Collection<?> expected, Collection<?> actual) {
org.junit.Assert.assertEquals(stringify(expected), stringify(actual));
}
public static String stringify(Collection<?> collection) {
StringBuilder buf = new StringBuilder();
for (Object o : collection) {
if (buf.length() > 0) buf.append("\n");
buf.append(o);
}
return buf.toString();
}
public static <T> void assertInstanceOf(Class<? extends T> expectedClass, T object) {
Class actualClass = object.getClass();
assertTrue(expectedClass + " should be assignable from " + actualClass,
expectedClass.isAssignableFrom(actualClass));
}
public static File file(String... pathParts) {
return file(new File("."), pathParts);
}
public static File file(File f, String... pathParts) {
for (String pathPart : pathParts) {
f = new File(f, pathPart);
}
return f;
}
public static File resourcesBaseDir() {
if (testDirLocation == null) {
File testDir = file("src", "test", "resources");
if (hasTestManifest(testDir)) return testDirLocation = testDir;
File roboTestDir = file("robolectric", "src", "test", "resources");
if (hasTestManifest(roboTestDir)) return testDirLocation = roboTestDir;
File submoduleDir = file("submodules", "robolectric", "src", "test", "resources");
if (hasTestManifest(submoduleDir)) return testDirLocation = submoduleDir;
//required for robolectric-sqlite to find resources to test against
File roboSiblingTestDir = file(new File(new File(".").getAbsolutePath()).getParentFile().getParentFile(),"robolectric", "src", "test", "resources");
if (hasTestManifest(roboSiblingTestDir)) return testDirLocation = roboSiblingTestDir;
throw new RuntimeException("can't find your TestAndroidManifest.xml in "
+ testDir.getAbsolutePath() + " or " + roboTestDir.getAbsolutePath() + "\n or " + roboSiblingTestDir.getAbsolutePath());
} else {
return testDirLocation;
}
}
private static boolean hasTestManifest(File testDir) {
return new File(testDir, "TestAndroidManifest.xml").isFile();
}
public static File resourceFile(String... pathParts) {
return file(resourcesBaseDir(), pathParts);
}
public static RobolectricConfig newConfig(String androidManifestFile) {
return new RobolectricConfig(resourceFile(androidManifestFile), null, null);
}
public static File getSystemResourceDir(String... paths) throws Exception {
Map<String,String> env = System.getenv();
String sdkDir;
if (env.containsKey("ANDROID_HOME")) {
sdkDir = env.get("ANDROID_HOME");
} else {
Properties localProperties = new Properties();
localProperties.load(new FileInputStream(new File("local.properties")));
PropertiesHelper.doSubstitutions(localProperties);
sdkDir = localProperties.getProperty("sdk.dir");
}
return file(new File(sdkDir, "platforms/android-10/data/res/"), paths);
}
}
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