98 lines
3.0 KiB
Java
98 lines
3.0 KiB
Java
/*
|
|
* Copyright (C) 2018 Gson Authors
|
|
*
|
|
* 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 com.google.gson.functional;
|
|
|
|
import static org.junit.Assert.assertTrue;
|
|
import static org.junit.Assert.fail;
|
|
|
|
import com.google.gson.Gson;
|
|
import com.google.gson.GsonBuilder;
|
|
import com.google.gson.TypeAdapter;
|
|
import com.google.gson.stream.JsonReader;
|
|
import com.google.gson.stream.JsonWriter;
|
|
import java.io.IOException;
|
|
import java.util.regex.Pattern;
|
|
import org.junit.Before;
|
|
import org.junit.Test;
|
|
|
|
/**
|
|
* Functional tests to validate printing of Gson version on AssertionErrors
|
|
*
|
|
* @author Inderjeet Singh
|
|
*/
|
|
public class GsonVersionDiagnosticsTest {
|
|
// We require a patch number, even if it is .0, consistent with https://semver.org/#spec-item-2.
|
|
private static final Pattern GSON_VERSION_PATTERN =
|
|
Pattern.compile("(\\(GSON \\d\\.\\d+\\.\\d)(?:[-.][A-Z]+)?\\)$");
|
|
|
|
private Gson gson;
|
|
|
|
@Before
|
|
public void setUp() {
|
|
gson = new GsonBuilder().registerTypeAdapter(TestType.class, new TypeAdapter<TestType>() {
|
|
@Override public void write(JsonWriter out, TestType value) {
|
|
throw new AssertionError("Expected during serialization");
|
|
}
|
|
@Override public TestType read(JsonReader in) throws IOException {
|
|
throw new AssertionError("Expected during deserialization");
|
|
}
|
|
}).create();
|
|
}
|
|
|
|
@Test
|
|
public void testVersionPattern() {
|
|
assertTrue(GSON_VERSION_PATTERN.matcher("(GSON 2.8.5)").matches());
|
|
assertTrue(GSON_VERSION_PATTERN.matcher("(GSON 2.8.5-SNAPSHOT)").matches());
|
|
}
|
|
|
|
@Test
|
|
public void testAssertionErrorInSerializationPrintsVersion() {
|
|
try {
|
|
gson.toJson(new TestType());
|
|
fail();
|
|
} catch (AssertionError expected) {
|
|
ensureAssertionErrorPrintsGsonVersion(expected);
|
|
}
|
|
}
|
|
|
|
@Test
|
|
public void testAssertionErrorInDeserializationPrintsVersion() {
|
|
try {
|
|
gson.fromJson("{'a':'abc'}", TestType.class);
|
|
fail();
|
|
} catch (AssertionError expected) {
|
|
ensureAssertionErrorPrintsGsonVersion(expected);
|
|
}
|
|
}
|
|
|
|
private void ensureAssertionErrorPrintsGsonVersion(AssertionError expected) {
|
|
String msg = expected.getMessage();
|
|
// System.err.println(msg);
|
|
int start = msg.indexOf("(GSON");
|
|
assertTrue(start > 0);
|
|
int end = msg.indexOf("):") + 1;
|
|
assertTrue(end > 0 && end > start + 6);
|
|
String version = msg.substring(start, end);
|
|
// System.err.println(version);
|
|
assertTrue(GSON_VERSION_PATTERN.matcher(version).matches());
|
|
}
|
|
|
|
private static final class TestType {
|
|
@SuppressWarnings("unused")
|
|
String a;
|
|
}
|
|
}
|