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Fill in some gaps in ExclusionStrategy's test.

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Changes to GsonInternalAccess should have broken exclusion strategies, but didn't. Adding these tests cause the expected breaks.
This commit is contained in:
Jesse Wilson 2012-01-01 12:34:47 +00:00
parent c4ea9a3d87
commit 641590b5b6
1 changed files with 68 additions and 7 deletions
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75
gson/src/test/java/com/google/gson/functional/ExclusionStrategyFunctionalTest.java
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@ -16,19 +16,17 @@
package com.google.gson.functional;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import junit.framework.TestCase;
import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import junit.framework.TestCase;
/**
* Performs some functional tests when Gson is instantiated with some common user defined
@ -38,6 +36,15 @@ import com.google.gson.JsonPrimitive;
* @author Joel Leitch
*/
public class ExclusionStrategyFunctionalTest extends TestCase {
private static final ExclusionStrategy EXCLUDE_SAMPLE_OBJECT_FOR_TEST = new ExclusionStrategy() {
public boolean shouldSkipField(FieldAttributes f) {
return false;
}
public boolean shouldSkipClass(Class<?> clazz) {
return clazz == SampleObjectForTest.class;
}
};
private SampleObjectForTest src;
@Override
@ -54,6 +61,15 @@ public class ExclusionStrategyFunctionalTest extends TestCase {
assertTrue(json.contains("\"longField\""));
}
public void testExclusionStrategySerializationDoesNotImpactDeserialization() {
String json = "{\"annotatedField\":1,\"stringField\":\"x\",\"longField\":2}";
Gson gson = createGson(new MyExclusionStrategy(String.class), true);
SampleObjectForTest value = gson.fromJson(json, SampleObjectForTest.class);
assertEquals(1, value.annotatedField);
assertEquals("x", value.stringField);
assertEquals(2, value.longField);
}
public void testExclusionStrategyDeserialization() throws Exception {
Gson gson = createGson(new MyExclusionStrategy(String.class), false);
JsonObject json = new JsonObject();
@ -69,6 +85,14 @@ public class ExclusionStrategyFunctionalTest extends TestCase {
assertEquals(src.stringField, target.stringField);
}
public void testExclusionStrategySerializationDoesNotImpactSerialization() throws Exception {
Gson gson = createGson(new MyExclusionStrategy(String.class), false);
String json = gson.toJson(src);
assertTrue(json.contains("\"stringField\""));
assertTrue(json.contains("\"annotatedField\""));
assertTrue(json.contains("\"longField\""));
}
public void testExclusionStrategyWithMode() throws Exception {
SampleObjectForTest testObj = new SampleObjectForTest(
src.annotatedField + 5, src.stringField + "blah,blah",
@ -88,6 +112,43 @@ public class ExclusionStrategyFunctionalTest extends TestCase {
assertEquals(src.stringField, target.stringField);
}
public void testExcludeTopLevelClassSerialization() {
Gson gson = new GsonBuilder()
.addSerializationExclusionStrategy(EXCLUDE_SAMPLE_OBJECT_FOR_TEST)
.create();
assertEquals("null", gson.toJson(new SampleObjectForTest(), SampleObjectForTest.class));
}
public void testExcludeTopLevelClassSerializationDoesNotImpactDeserialization() {
Gson gson = new GsonBuilder()
.addSerializationExclusionStrategy(EXCLUDE_SAMPLE_OBJECT_FOR_TEST)
.create();
String json = "{\"annotatedField\":1,\"stringField\":\"x\",\"longField\":2}";
SampleObjectForTest value = gson.fromJson(json, SampleObjectForTest.class);
assertEquals(1, value.annotatedField);
assertEquals("x", value.stringField);
assertEquals(2, value.longField);
}
public void testExcludeTopLevelClassDeserialization() {
Gson gson = new GsonBuilder()
.addDeserializationExclusionStrategy(EXCLUDE_SAMPLE_OBJECT_FOR_TEST)
.create();
String json = "{\"annotatedField\":1,\"stringField\":\"x\",\"longField\":2}";
SampleObjectForTest value = gson.fromJson(json, SampleObjectForTest.class);
assertNull(value);
}
public void testExcludeTopLevelClassDeserializationDoesNotImpactSerialization() {
Gson gson = new GsonBuilder()
.addDeserializationExclusionStrategy(EXCLUDE_SAMPLE_OBJECT_FOR_TEST)
.create();
String json = gson.toJson(new SampleObjectForTest(), SampleObjectForTest.class);
assertTrue(json.contains("\"stringField\""));
assertTrue(json.contains("\"annotatedField\""));
assertTrue(json.contains("\"longField\""));
}
private static Gson createGson(ExclusionStrategy exclusionStrategy, boolean serialization) {
GsonBuilder gsonBuilder = new GsonBuilder();
if (serialization) {