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Groovy: A powerful multi-faceted language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 groovy.test;
import groovy.lang.Closure;
import junit.framework.TestCase;
import org.codehaus.groovy.runtime.FormatHelper;
import org.codehaus.groovy.runtime.InvokerHelper;
import org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Logger;
/**
* A JUnit 3 {@link junit.framework.TestCase} base class in Groovy.
*
* In case JUnit 4 is used, see {@link groovy.test.GroovyAssert}.
*
* @see groovy.test.GroovyAssert
*/
public class GroovyTestCase extends TestCase {
protected static Logger log = Logger.getLogger(GroovyTestCase.class.getName());
private static final AtomicInteger scriptFileNameCounter = new AtomicInteger(0);
public static final String TEST_SCRIPT_NAME_PREFIX = "TestScript";
private boolean useAgileDoxNaming = false;
/**
* Overload the getName() method to make the test cases look more like AgileDox
* (thanks to Joe Walnes for this tip!)
*/
@Override
public String getName() {
if (useAgileDoxNaming) {
return super.getName().substring(4).replaceAll("([A-Z])", " $1").toLowerCase();
} else {
return super.getName();
}
}
public String getMethodName() {
return super.getName();
}
/**
* Asserts that the arrays are equivalent and contain the same values
*
* @param expected
* @param value
*/
protected void assertArrayEquals(Object[] expected, Object[] value) {
String message =
"expected array: " + FormatHelper.toString(expected) + " value array: " + FormatHelper.toString(value);
assertNotNull(message + ": expected should not be null", expected);
assertNotNull(message + ": value should not be null", value);
assertEquals(message, expected.length, value.length);
for (int i = 0, size = expected.length; i < size; i++) {
assertEquals("value[" + i + "] when " + message, expected[i], value[i]);
}
}
/**
* Asserts that the array of characters has a given length
*
* @param length expected length
* @param array the array
*/
protected void assertLength(int length, char[] array) {
assertEquals(length, array.length);
}
/**
* Asserts that the array of ints has a given length
*
* @param length expected length
* @param array the array
*/
protected void assertLength(int length, int[] array) {
assertEquals(length, array.length);
}
/**
* Asserts that the array of objects has a given length
*
* @param length expected length
* @param array the array
*/
protected void assertLength(int length, Object[] array) {
assertEquals(length, array.length);
}
/**
* Asserts that the array of characters contains a given char
*
* @param expected expected character to be found
* @param array the array
*/
protected void assertContains(char expected, char[] array) {
for (char c : array) {
if (c == expected) {
return;
}
}
StringBuilder message = new StringBuilder();
message.append(expected).append(" not in {");
for (int i = 0; i < array.length; ++i) {
message.append("'").append(array[i]).append("'");
if (i < (array.length - 1)) {
message.append(", ");
}
}
message.append(" }");
fail(message.toString());
}
/**
* Asserts that the array of ints contains a given int
*
* @param expected expected int
* @param array the array
*/
protected void assertContains(int expected, int[] array) {
for (int anInt : array) {
if (anInt == expected) {
return;
}
}
StringBuilder message = new StringBuilder();
message.append(expected).append(" not in {");
for (int i = 0; i < array.length; ++i) {
message.append("'").append(array[i]).append("'");
if (i < (array.length - 1)) {
message.append(", ");
}
}
message.append(" }");
fail(message.toString());
}
/**
* Asserts that the value of toString() on the given object matches the
* given text string
*
* @param value the object to be output to the console
* @param expected the expected String representation
*/
protected void assertToString(Object value, String expected) {
Object console = InvokerHelper.invokeMethod(value, "toString", null);
assertEquals("toString() on value: " + value, expected, console);
}
/**
* Asserts that the value of inspect() on the given object matches the
* given text string
*
* @param value the object to be output to the console
* @param expected the expected String representation
*/
protected void assertInspect(Object value, String expected) {
Object console = InvokerHelper.invokeMethod(value, "inspect", null);
assertEquals("inspect() on value: " + value, expected, console);
}
/**
* see {@link groovy.test.GroovyAssert#assertScript(String)}
*/
protected void assertScript(final String script) throws Exception {
GroovyAssert.assertScript(script);
}
protected String getTestClassName() {
return TEST_SCRIPT_NAME_PREFIX + getMethodName() + (scriptFileNameCounter.getAndIncrement()) + ".groovy";
}
/**
* see {@link groovy.test.GroovyAssert#shouldFail(groovy.lang.Closure)}
*/
protected String shouldFail(Closure code) {
return GroovyAssert.shouldFail(code).getMessage();
}
/**
* see {@link groovy.test.GroovyAssert#shouldFail(Class, groovy.lang.Closure)}
*/
protected String shouldFail(Class clazz, Closure code) {
return GroovyAssert.shouldFail(clazz, code).getMessage();
}
/**
* see {@link groovy.test.GroovyAssert#shouldFailWithCause(Class, groovy.lang.Closure)}
*/
protected String shouldFailWithCause(Class clazz, Closure code) {
return GroovyAssert.shouldFailWithCause(clazz, code).getMessage();
}
/**
* see {@link groovy.test.GroovyAssert#shouldFail(Class, String)}
*/
protected String shouldFail(Class clazz, String script) {
return GroovyAssert.shouldFail(clazz, script).getMessage();
}
/**
* see {@link groovy.test.GroovyAssert#shouldFail(String)}
*/
protected String shouldFail(String script) {
return GroovyAssert.shouldFail(script).getMessage();
}
/**
* Returns a copy of a string in which all EOLs are \n.
*/
protected String fixEOLs(String value) {
return value.replaceAll("(\\r\\n?)|\n", "\n");
}
/**
* see {@link groovy.test.GroovyAssert#notYetImplemented(java.lang.Object)}
*/
public static boolean notYetImplemented(Object caller) {
return GroovyAssert.notYetImplemented(caller);
}
/**
* Convenience method for subclasses of GroovyTestCase, identical to
* GroovyTestCase.notYetImplemented(this);
.
*
* @return false when not itself already in the call stack
* @see #notYetImplemented(java.lang.Object)
*/
public boolean notYetImplemented() {
return notYetImplemented(this);
}
public static void assertEquals(String message, Object expected, Object actual) {
if (expected == null && actual == null)
return;
if (expected != null && DefaultTypeTransformation.compareEqual(expected, actual))
return;
TestCase.assertEquals(message, expected, actual);
}
public static void assertEquals(Object expected, Object actual) {
assertEquals(null, expected, actual);
}
public static void assertEquals(String expected, String actual) {
assertEquals(null, expected, actual);
}
}