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// Copyright 2012 Square Inc.
//
// 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.squareup.squash;
import com.google.gson.Gson;
import java.io.IOException;
import java.util.List;
import org.junit.Test;
import static org.fest.assertions.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class SquashEntryTest {
private Gson gson = new Gson();
private EntryFactory factory = new EntryFactory();
@Test public void testNoException() throws Exception {
final String message = "I LOVE TACOS";
final SquashEntry logEntry = factory.create(message, null);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.backtraces).isNull();
assertThat(deserialized.ivars).isNull();
assertThat(deserialized.log_message).isEqualTo(message);
assertThat(deserialized.parent_exceptions).isEmpty();
assertThat(deserialized.class_name).isNull();
}
private SquashEntry serializeAndDeserialize(SquashEntry logEntry) throws IOException {
return gson.fromJson(gson.toJson(logEntry), SquashEntry.class);
}
@Test public void testWithSimpleExceptionNoIvars() throws Exception {
final String logMessage = "I LOVE TACOS";
final Throwable exception = mock(Throwable.class);
StackTraceElement s0 =
new StackTraceElement("com.taco.Taco", "digest", "core-android/src/com/taco/Taco.java", 50);
StackTraceElement s1 =
new StackTraceElement("com.taco.Taco", "eat", "core-android/src/com/taco/Taco.java", 80);
StackTraceElement s2 =
new StackTraceElement("com.taco.Dude", "purchase", "core-android/src/com/taco/Dude.java",
112);
StackTraceElement[] myLittleStackTrace = new StackTraceElement[] {s0, s1, s2};
final String message = "ExceptionMessage";
when(exception.getMessage()).thenReturn(message);
when(exception.getStackTrace()).thenReturn(myLittleStackTrace);
final SquashEntry logEntry = factory.create(logMessage, exception);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.backtraces).isNotEmpty();
final SquashBacktrace.SquashException backtrace = deserialized.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
List<SquashBacktrace.StackElement> stackElements = backtrace.backtrace;
assertBacktracesMatch(myLittleStackTrace, stackElements);
assertThat(deserialized.ivars).isEmpty();
assertThat(deserialized.log_message).isEqualTo(logMessage);
assertThat(deserialized.message).isEqualTo(message);
assertThat(deserialized.parent_exceptions).isEmpty();
assertThat(deserialized.class_name).isEqualTo(exception.getClass().getName());
}
@Test public void testExceptionWithNoMessage() throws Exception {
final Throwable exception = mock(Throwable.class);
StackTraceElement s0 = new StackTraceElement("com.jake", "CantProgram",
"core-android/src/com/jake/Brain.java", 50);
StackTraceElement s1 = new StackTraceElement("com.jake", "IsDrunk",
"core-android/src/com/jake/Status.java", 510);
StackTraceElement[] stackTrace = { s0, s1 };
when(exception.getMessage()).thenReturn(null);
when(exception.getStackTrace()).thenReturn(stackTrace);
String logMessage = "Jake can't program";
final SquashEntry logEntry = factory.create(logMessage, exception);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.message).isEqualTo(logMessage);
}
@Test public void testExceptionWithNoMessageOrLogMessage() throws Exception {
final Throwable exception = mock(Throwable.class);
StackTraceElement s0 = new StackTraceElement("com.jake", "CantProgram",
"core-android/src/com/jake/Brain.java", 50);
StackTraceElement s1 = new StackTraceElement("com.jake", "IsDrunk",
"core-android/src/com/jake/Status.java", 510);
StackTraceElement[] stackTrace = { s0, s1 };
when(exception.getMessage()).thenReturn(null);
when(exception.getStackTrace()).thenReturn(stackTrace);
final SquashEntry logEntry = factory.create(null, exception);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.message).isEqualTo("No message");
}
private void assertBacktracesMatch(StackTraceElement[] myLittleStackTrace,
List<SquashBacktrace.StackElement> stackElements) {
for (int i = 0, stackElementsSize = stackElements.size(); i < stackElementsSize; i++) {
SquashBacktrace.StackElement stackElement = stackElements.get(i);
StackTraceElement expected = myLittleStackTrace[i];
assertThat(stackElement.file).isEqualTo(expected.getFileName());
assertThat(stackElement.line).isEqualTo(expected.getLineNumber());
assertThat(stackElement.symbol).isEqualTo(expected.getMethodName());
assertThat(stackElement.class_name).isEqualTo(expected.getClassName());
}
}
@Test public void testNestedExceptions() throws Exception {
final String logMessage = "I LOVE TACOS";
final Throwable nestedException = mock(Throwable.class);
final Throwable doublyNestedException = mock(Throwable.class);
final Throwable exception = mock(Throwable.class);
StackTraceElement n0 = new StackTraceElement("com.taco.Burrito", "digest",
"core-android/src/com/burrito/Burrito.java", 45);
StackTraceElement n1 = new StackTraceElement("com.taco.Burrito", "eat",
"core-android/src/com/burrito/Burrito.java", 10);
StackTraceElement n2 =
new StackTraceElement("com.taco.Dude", "purchase", "core-android/src/com/taco/Dude.java",
65);
StackTraceElement[] nestedStackTrace = new StackTraceElement[] {n0, n1, n2};
StackTraceElement z0 =
new StackTraceElement("com.taco.Dude", "wheresmycar", "core-android/src/com/taco/Dude.java",
455);
StackTraceElement z1 =
new StackTraceElement("com.bro.Bro", "hollerback", "core-android/src/com/bro/Bro.java",
105);
StackTraceElement z2 =
new StackTraceElement("com.taco.Dude", "holler", "core-android/src/com/taco/Dude.java",
655);
StackTraceElement[] doublyNestedStackTrace = new StackTraceElement[] {z0, z1, z2};
StackTraceElement s0 =
new StackTraceElement("com.taco.Taco", "digest", "core-android/src/com/taco/Taco.java", 50);
StackTraceElement s1 =
new StackTraceElement("com.taco.Taco", "eat", "core-android/src/com/taco/Taco.java", 80);
StackTraceElement s2 =
new StackTraceElement("com.taco.Dude", "purchase", "core-android/src/com/taco/Dude.java",
112);
StackTraceElement[] myLittleStackTrace = new StackTraceElement[] {s0, s1, s2};
final String message = "ExceptionMessage";
when(exception.getMessage()).thenReturn(message);
when(exception.getStackTrace()).thenReturn(myLittleStackTrace);
when(exception.getCause()).thenReturn(nestedException);
final String nestedExceptionMessage = "NestedExceptionMessage";
when(nestedException.getMessage()).thenReturn(nestedExceptionMessage);
when(nestedException.getStackTrace()).thenReturn(nestedStackTrace);
when(nestedException.getCause()).thenReturn(doublyNestedException);
final String doublyNestedExceptionMessage = "DoublyNestedExceptionMessage";
when(doublyNestedException.getMessage()).thenReturn(doublyNestedExceptionMessage);
when(doublyNestedException.getStackTrace()).thenReturn(doublyNestedStackTrace);
final SquashEntry logEntry = factory.create(logMessage, exception);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.backtraces).isNotEmpty();
SquashBacktrace.SquashException backtrace = deserialized.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
List<SquashBacktrace.StackElement> stackElements = backtrace.backtrace;
assertBacktracesMatch(myLittleStackTrace, stackElements);
assertThat(deserialized.ivars).isEmpty();
assertThat(deserialized.log_message).isEqualTo(logMessage);
assertThat(deserialized.message).isEqualTo(message);
final List<SquashBacktrace.NestedException> nestedExceptions = deserialized.parent_exceptions;
assertThat(nestedExceptions).hasSize(2);
final SquashBacktrace.NestedException nested1 = nestedExceptions.get(0);
assertThat(nested1.class_name).isEqualTo(nestedException.getClass().getName());
assertThat(nested1.ivars).isEmpty();
assertThat(nested1.message).isEqualTo(nestedExceptionMessage);
backtrace = nested1.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
assertBacktracesMatch(nestedStackTrace, backtrace.backtrace);
final SquashBacktrace.NestedException nested2 = nestedExceptions.get(1);
assertThat(nested2.class_name).isEqualTo(doublyNestedException.getClass().getName());
assertThat(nested2.ivars).isEmpty();
assertThat(nested2.message).isEqualTo(doublyNestedExceptionMessage);
backtrace = nested1.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
assertBacktracesMatch(nestedStackTrace, backtrace.backtrace);
}
@Test public void testInfinitelyNestedExceptions() throws Exception {
final String logMessage = "I LOVE TACOS";
final Throwable nestedException = mock(Throwable.class);
final Throwable doublyNestedException = mock(Throwable.class);
final Throwable exception = mock(Throwable.class);
StackTraceElement n0 = new StackTraceElement("com.taco.Burrito", "digest",
"core-android/src/com/burrito/Burrito.java", 45);
StackTraceElement n1 = new StackTraceElement("com.taco.Burrito", "eat",
"core-android/src/com/burrito/Burrito.java", 10);
StackTraceElement n2 =
new StackTraceElement("com.taco.Dude", "purchase", "core-android/src/com/taco/Dude.java",
65);
StackTraceElement[] nestedStackTrace = new StackTraceElement[] {n0, n1, n2};
StackTraceElement z0 =
new StackTraceElement("com.taco.Dude", "wheresmycar", "core-android/src/com/taco/Dude.java",
455);
StackTraceElement z1 =
new StackTraceElement("com.bro.Bro", "hollerback", "core-android/src/com/bro/Bro.java",
105);
StackTraceElement z2 =
new StackTraceElement("com.taco.Dude", "holler", "core-android/src/com/taco/Dude.java",
655);
StackTraceElement[] doublyNestedStackTrace = new StackTraceElement[] {z0, z1, z2};
StackTraceElement s0 =
new StackTraceElement("com.taco.Taco", "digest", "core-android/src/com/taco/Taco.java", 50);
StackTraceElement s1 =
new StackTraceElement("com.taco.Taco", "eat", "core-android/src/com/taco/Taco.java", 80);
StackTraceElement s2 =
new StackTraceElement("com.taco.Dude", "purchase", "core-android/src/com/taco/Dude.java",
112);
StackTraceElement[] myLittleStackTrace = new StackTraceElement[] {s0, s1, s2};
final String message = "ExceptionMessage";
when(exception.getMessage()).thenReturn(message);
when(exception.getStackTrace()).thenReturn(myLittleStackTrace);
when(exception.getCause()).thenReturn(nestedException);
final String nestedExceptionMessage = "NestedExceptionMessage";
when(nestedException.getMessage()).thenReturn(nestedExceptionMessage);
when(nestedException.getStackTrace()).thenReturn(nestedStackTrace);
when(nestedException.getCause()).thenReturn(doublyNestedException);
final String doublyNestedExceptionMessage = "DoublyNestedExceptionMessage";
when(doublyNestedException.getMessage()).thenReturn(doublyNestedExceptionMessage);
when(doublyNestedException.getStackTrace()).thenReturn(doublyNestedStackTrace);
when(doublyNestedException.getCause()).thenReturn(doublyNestedException);
final SquashEntry logEntry = factory.create(logMessage, exception);
SquashEntry deserialized = serializeAndDeserialize(logEntry);
assertThat(deserialized.backtraces).isNotEmpty();
SquashBacktrace.SquashException backtrace = deserialized.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
List<SquashBacktrace.StackElement> stackElements = backtrace.backtrace;
assertBacktracesMatch(myLittleStackTrace, stackElements);
assertThat(deserialized.ivars).isEmpty();
assertThat(deserialized.log_message).isEqualTo(logMessage);
assertThat(deserialized.message).isEqualTo(message);
final List<SquashBacktrace.NestedException> nestedExceptions = deserialized.parent_exceptions;
assertThat(nestedExceptions).hasSize(2);
final SquashBacktrace.NestedException nested1 = nestedExceptions.get(0);
assertThat(nested1.class_name).isEqualTo(nestedException.getClass().getName());
assertThat(nested1.ivars).isEmpty();
assertThat(nested1.message).isEqualTo(nestedExceptionMessage);
backtrace = nested1.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
assertBacktracesMatch(nestedStackTrace, backtrace.backtrace);
final SquashBacktrace.NestedException nested2 = nestedExceptions.get(1);
assertThat(nested2.class_name).isEqualTo(doublyNestedException.getClass().getName());
assertThat(nested2.ivars).isEmpty();
assertThat(nested2.message).isEqualTo(doublyNestedExceptionMessage);
backtrace = nested1.backtraces.get(0);
assertThat(backtrace.name).isEqualTo(Thread.currentThread().getName());
assertThat(backtrace.faulted).isEqualTo(true);
assertBacktracesMatch(nestedStackTrace, backtrace.backtrace);
}
private class EntryFactory {
public SquashEntry create(String logMessage, Throwable exception) {
return new SquashEntry("testclient", "testAPIKey", logMessage, exception, "testAppVersion",
42, "testSHA", "testDeviceId", "testEndpoint", "testUserId", "Debug");
}
}
}
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