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/**
* Copyright 2012-2014 Julien Eluard and contributors
* This project includes software developed by Julien Eluard: https://github.com/jeluard/
*
* 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 org.semver;
import static java.util.Collections.singleton;
import static org.junit.Assert.assertEquals;
import static org.semver.Delta.inferNextVersion;
import static org.semver.Delta.CompatibilityType.BACKWARD_COMPATIBLE_IMPLEMENTER;
import static org.semver.Delta.CompatibilityType.BACKWARD_COMPATIBLE_USER;
import static org.semver.Delta.CompatibilityType.NON_BACKWARD_COMPATIBLE;
import static org.semver.Version.Element.MAJOR;
import static org.semver.Version.Element.MINOR;
import static org.semver.Version.Element.PATCH;
import org.semver.Delta.Difference;
import java.util.Collections;
import java.util.Set;
import org.junit.Test;
import org.osjava.jardiff.ClassInfo;
import org.osjava.jardiff.FieldInfo;
import org.osjava.jardiff.MethodInfo;
public class DeltaTest {
private static final Set<Difference> EMPTY_DIFFERENCES = Collections.<Difference>emptySet();
@Test
public void inferVersion() {
final int major = 1;
final int minor = 2;
final int patch = 3;
final Version version = new Version(major, minor, patch);
assertEquals(version.next(MAJOR), inferNextVersion(version, NON_BACKWARD_COMPATIBLE));
assertEquals(version.next(MINOR), inferNextVersion(version, BACKWARD_COMPATIBLE_USER));
assertEquals(version.next(PATCH), inferNextVersion(version, BACKWARD_COMPATIBLE_IMPLEMENTER));
}
@Test(expected=IllegalArgumentException.class)
public void shouldInferWithNullVersionFail() {
inferNextVersion(null, BACKWARD_COMPATIBLE_IMPLEMENTER);
}
@Test(expected=IllegalArgumentException.class)
public void shouldInferWithNullCompatibilityTypeFail() {
inferNextVersion(new Version(1, 0, 0), null);
}
@Test(expected=IllegalArgumentException.class)
public void shouldNullVersionNotBeInferable() {
new Delta(EMPTY_DIFFERENCES, false).infer(null);
}
@Test(expected=IllegalArgumentException.class)
public void shouldDevelopmentVersionNotBeInferable() {
new Delta(EMPTY_DIFFERENCES, false).infer(new Version(0, 0, 0));
}
@Test
public void shouldEmptyDeltaBeImplementerBackwardCompatible() {
final int major = 1;
final int minor = 2;
final int patch = 3;
final Version version = new Version(major, minor, patch);
final Version inferedVersion = new Delta(EMPTY_DIFFERENCES, false).infer(version);
assertEquals(new Version(major, minor, patch+1), inferedVersion);
}
@Test
public void shouldDeltaWithAddsBeUserBackwardCompatible() {
final int major = 1;
final int minor = 2;
final int patch = 3;
final Version version = new Version(major, minor, patch);
final Version inferedVersion = new Delta(Collections.singleton(new Delta.Add("class", new FieldInfo("class", 0, "", "", "", null))), false).infer(version);
assertEquals(new Version(major, minor+1, 0), inferedVersion);
}
@Test
public void shouldDeltaWithChangesBeNonBackwardCompatible() {
final int major = 1;
final int minor = 2;
final int patch = 3;
final Version version = new Version(major, minor, patch);
final Version inferedVersion = new Delta(Collections.singleton(new Delta.Change("class", new FieldInfo("class", 0, "", "", "", null), new FieldInfo("class", 0, "", "", "", null))), false).infer(version);
assertEquals(new Version(major+1, 0, 0), inferedVersion);
}
@Test
public void shouldDeltaWithRemovesBeNonBackwardCompatible() {
final int major = 1;
final int minor = 2;
final int patch = 3;
final Version version = new Version(major, minor, patch);
final Version inferedVersion = new Delta(Collections.singleton(new Delta.Remove("class", new FieldInfo("class", 0, "", "", "", null))), false).infer(version);
assertEquals(new Version(major+1, 0, 0), inferedVersion);
}
@Test(expected=IllegalArgumentException.class)
public void shouldValidateWithNullPreviousVersionFail() {
new Delta(EMPTY_DIFFERENCES, false).validate(null, new Version(1, 0, 0));
}
@Test(expected=IllegalArgumentException.class)
public void shouldValidateWithNullCurrentVersionFail() {
new Delta(EMPTY_DIFFERENCES, false).validate(new Version(1, 0, 0), null);
}
@Test
public void shouldValidateWithCurrentVersionInDevelopmentSucceed() {
validate(EMPTY_DIFFERENCES, new Version(0, 0, 0), new Version(0, 0, 1), true);
}
@Test(expected=IllegalArgumentException.class)
public void shouldValidateWithPreviousVersionNextCurrentVersionFail() {
new Delta(EMPTY_DIFFERENCES, false).validate(new Version(1, 1, 0), new Version(1, 0, 0));
}
@Test(expected=IllegalArgumentException.class)
public void shouldValidateWithPreviousVersionEqualsCurrentVersionFail() {
new Delta(EMPTY_DIFFERENCES, false).validate(new Version(1, 0, 0), new Version(1, 0, 0));
}
@Test
public void shouldValidateWithCorrectVersionsSucceed() {
validate(EMPTY_DIFFERENCES, new Version(1, 1, 0), new Version(1, 1, 1), true);
}
@Test
public void shouldValidateWithCorrectPreVersionsSucceed() {
validate(EMPTY_DIFFERENCES, new Version(1, 1, 0, "-", "rc1"), new Version(1, 1, 0, "-", "rc2"), true);
}
@Test
public void shouldValidateWithIncorrectVersionFail() {
validate(Collections.singleton(new Delta.Remove("class", new FieldInfo("class", 0, "", "", "", null))), new Version(1, 1, 0), new Version(1, 1, 1), false);
}
@Test
public void upgradeMinorVersionOnClassDeprecated() {
validate(singleton(new Delta.Deprecate("class", new ClassInfo(1, 0, "", "", "", null, null, null), new ClassInfo(1, 0, "", "", "", null, null, null))), new Version(1, 1, 0), new Version(1, 2, 0), true);
}
@Test
public void upgradeMinorVersionOnFieldDeprecated() {
validate(singleton(new Delta.Deprecate("class", new FieldInfo("class", 0, "", "", "", null), new FieldInfo("class", 0, "", "", "", null))), new Version(1, 1, 0), new Version(1, 2, 0), true);
}
@Test
public void upgradeMinorVersionOnMethodDeprecated() {
validate(singleton(new Delta.Deprecate("class", new MethodInfo("class", 0, "", "", "", null), new MethodInfo("class", 0, "", "", "", null))), new Version(1, 1, 0), new Version(1, 2, 0), true);
}
private void validate(final Set<? extends Delta.Difference> differences, final Version previous, final Version current, final boolean valid) {
assertEquals(
"accept differences " + differences + " when changing version from " + previous + " to " + current,
valid,
new Delta(differences, false).validate(previous, current));
}
}
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