/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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.inferred.freebuilder.processor;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.testing.EqualsTester;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
import org.inferred.freebuilder.FreeBuilder;
import org.inferred.freebuilder.processor.util.feature.FeatureSet;
import org.inferred.freebuilder.processor.util.testing.BehaviorTestRunner.Shared;
import org.inferred.freebuilder.processor.util.testing.BehaviorTester;
import org.inferred.freebuilder.processor.util.testing.ParameterizedBehaviorTestFactory;
import org.inferred.freebuilder.processor.util.testing.SourceBuilder;
import org.inferred.freebuilder.processor.util.testing.TestBuilder;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;
import org.junit.runners.Parameterized.UseParametersRunnerFactory;
import java.util.List;
import java.util.Optional;
import javax.tools.JavaFileObject;
/** Behavioral tests for {@code Optional<?>} properties. */
@RunWith(Parameterized.class)
@UseParametersRunnerFactory(ParameterizedBehaviorTestFactory.class)
public class JavaUtilOptionalBeanPropertyTest {
@Parameters(name = "{0}")
public static List<FeatureSet> featureSets() {
return FeatureSets.WITH_LAMBDAS;
}
private static final JavaFileObject TWO_OPTIONAL_PROPERTIES_TYPE = new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<String> getItem1();", Optional.class)
.addLine(" public abstract %s<String> getItem2();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build();
private static final JavaFileObject OPTIONAL_PROPERTY_TYPE = new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<String> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build();
private static final JavaFileObject OPTIONAL_INTEGER_TYPE = new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<Integer> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build();
@Parameter public FeatureSet features;
@Rule public final ExpectedException thrown = ExpectedException.none();
@Shared public BehaviorTester behaviorTester;
@Test
public void testConstructor_defaultEmpty() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder().build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testConstructor_primitive_defaultEmpty() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder().build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testBuilderGetter_defaultValue() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType.Builder builder = new com.example.DataType.Builder();")
.addLine("assertEquals(%s.empty(), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testBuilderGetter_nonDefaultValue() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType.Builder builder = new com.example.DataType.Builder()")
.addLine(" .setItem(\"item\");")
.addLine("assertEquals(%s.of(\"item\"), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_notNull() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .build();")
.addLine("assertEquals(%s.of(\"item\"), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_null() {
thrown.expect(NullPointerException.class);
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("new com.example.DataType.Builder().setItem((String) null);")
.build())
.runTest();
}
@Test
public void testSet_optionalOf() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(%s.of(\"item\"))", Optional.class)
.addLine(" .build();")
.addLine("assertEquals(%s.of(\"item\"), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_empty() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(%s.<String>empty())", Optional.class)
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_nullOptional() {
thrown.expect(NullPointerException.class);
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("new com.example.DataType.Builder().setItem((%s<String>) null);",
Optional.class)
.build())
.runTest();
}
@Test
public void testSetNullable_notNull() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setNullableItem(\"item\")")
.addLine(" .build();")
.addLine("assertEquals(%s.of(\"item\"), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSetNullable_null() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setNullableItem(null)")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testClear() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .clearItem()")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_primitive_notNull() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(5)")
.addLine(" .build();")
.addLine("assertEquals(%s.of(5), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_primitive_null() {
thrown.expect(NullPointerException.class);
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("new com.example.DataType.Builder().setItem((Integer) null);")
.build())
.runTest();
}
@Test
public void testSet_primitive_optionalOf() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(%s.of(5))", Optional.class)
.addLine(" .build();")
.addLine("assertEquals(%s.of(5), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_primitive_empty() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(%s.<Integer>empty())", Optional.class)
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSet_primitive_nullOptional() {
thrown.expect(NullPointerException.class);
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("new com.example.DataType.Builder().setItem((%s<Integer>) null);",
Optional.class)
.build())
.runTest();
}
@Test
public void testSetNullable_primitive_notNull() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setNullableItem(5)")
.addLine(" .build();")
.addLine("assertEquals(%s.of(5), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testSetNullable_primitive_null() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setNullableItem(null)")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testClear_primitive() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_INTEGER_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(5)")
.addLine(" .clearItem()")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testMergeFrom_valueInstance() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .build();")
.addLine("com.example.DataType.Builder builder = com.example.DataType.builder()")
.addLine(" .mergeFrom(value);")
.addLine("assertEquals(%s.of(\"item\"), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testMergeFrom_builder() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setItem(\"item\");")
.addLine("com.example.DataType.Builder builder = com.example.DataType.builder()")
.addLine(" .mergeFrom(template);")
.addLine("assertEquals(%s.of(\"item\"), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testMergeFrom_valueInstance_emptyOptional() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = com.example.DataType.builder()")
.addLine(" .build();")
.addLine("com.example.DataType.Builder builder = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .mergeFrom(value);")
.addLine("assertEquals(%s.of(\"item\"), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testMergeFrom_builder_emptyOptional() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder();")
.addLine("com.example.DataType.Builder builder = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .mergeFrom(template);")
.addLine("assertEquals(%s.of(\"item\"), builder.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testBuilderClear() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .clear()")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testBuilderClear_customDefault() {
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder().setItem(\"default\");")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType value = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .clear()")
.addLine(" .build();")
.addLine("assertEquals(%s.of(\"default\"), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testBuilderClear_noBuilderFactory() {
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" public Builder(String s) {")
.addLine(" setItem(s);")
.addLine(" }")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder(\"item\")")
.addLine(" .clear()")
.addLine(" .build();")
.addLine("assertEquals(%s.empty(), value.getItem());", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_optionalOf() {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("Item too long");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder setItem(String item) {")
.addLine(" %s.checkArgument(item.length() <= 10, \"Item too long\");",
Preconditions.class)
.addLine(" return super.setItem(item);")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setItem(%s.of(\"very long item\"));", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_nullable() {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("Item too long");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder setItem(String item) {")
.addLine(" %s.checkArgument(item.length() <= 10, \"Item too long\");",
Preconditions.class)
.addLine(" return super.setItem(item);")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setNullableItem(\"very long item\");")
.build())
.runTest();
}
@Test
public void testCustomization_empty() {
thrown.expectMessage("Fooled you!");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder clearItem() {")
.addLine(" throw new UnsupportedOperationException(\"Fooled you!\");")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setItem(%s.<String>empty());", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_null() {
thrown.expectMessage("Fooled you!");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder clearItem() {")
.addLine(" throw new UnsupportedOperationException(\"Fooled you!\");")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setNullableItem(null);", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_primitive_optionalOf() {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("Item too big");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<Integer> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder setItem(int item) {")
.addLine(" %s.checkArgument(item <= 10, \"Item too big\");", Preconditions.class)
.addLine(" return super.setItem(item);")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setItem(%s.of(13));", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_primitive_nullable() {
thrown.expect(IllegalArgumentException.class);
thrown.expectMessage("Item too big");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<Integer> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder setItem(int item) {")
.addLine(" %s.checkArgument(item <= 10, \"Item too big\");", Preconditions.class)
.addLine(" return super.setItem(item);")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setNullableItem(13);")
.build())
.runTest();
}
@Test
public void testCustomization_primitive_empty() {
thrown.expectMessage("Fooled you!");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<Integer> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder clearItem() {")
.addLine(" throw new UnsupportedOperationException(\"Fooled you!\");")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setItem(%s.<Integer>empty());", Optional.class)
.build())
.runTest();
}
@Test
public void testCustomization_primitive_null() {
thrown.expectMessage("Fooled you!");
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<Integer> getItem();", Optional.class)
.addLine("")
.addLine(" public static class Builder extends DataType_Builder {")
.addLine(" @Override public Builder clearItem() {")
.addLine(" throw new UnsupportedOperationException(\"Fooled you!\");")
.addLine(" }")
.addLine(" }")
.addLine("")
.addLine(" public static Builder builder() {")
.addLine(" return new Builder();")
.addLine(" }")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType.Builder template = com.example.DataType.builder()")
.addLine(" .setNullableItem(null);", Optional.class)
.build())
.runTest();
}
@Test
public void testEquality() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("new %s()", EqualsTester.class)
.addLine(" .addEqualityGroup(")
.addLine(" com.example.DataType.builder().build(),")
.addLine(" com.example.DataType.builder()")
.addLine(" .setItem(%s.<String>empty())", Optional.class)
.addLine(" .build(),")
.addLine(" com.example.DataType.builder()")
.addLine(" .setNullableItem(null)")
.addLine(" .build())")
.addLine(" .addEqualityGroup(")
.addLine(" com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .build(),")
.addLine(" com.example.DataType.builder()")
.addLine(" .setItem(%s.of(\"item\"))", Optional.class)
.addLine(" .build())")
.addLine(" .testEquals();")
.build())
.runTest();
}
@Test
public void testValueToString_singleField() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType empty = com.example.DataType.builder()")
.addLine(" .build();")
.addLine("com.example.DataType present = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .build();")
.addLine("assertEquals(\"DataType{}\", empty.toString());")
.addLine("assertEquals(\"DataType{item=item}\", present.toString());")
.build())
.runTest();
}
@Test
public void testValueToString_twoFields() {
behaviorTester
.with(new Processor(features))
.with(TWO_OPTIONAL_PROPERTIES_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType aa = com.example.DataType.builder()")
.addLine(" .build();")
.addLine("com.example.DataType pa = com.example.DataType.builder()")
.addLine(" .setItem1(\"x\")")
.addLine(" .build();")
.addLine("com.example.DataType ap = com.example.DataType.builder()")
.addLine(" .setItem2(\"y\")")
.addLine(" .build();")
.addLine("com.example.DataType pp = com.example.DataType.builder()")
.addLine(" .setItem1(\"x\")")
.addLine(" .setItem2(\"y\")")
.addLine(" .build();")
.addLine("assertEquals(\"DataType{}\", aa.toString());")
.addLine("assertEquals(\"DataType{item1=x}\", pa.toString());")
.addLine("assertEquals(\"DataType{item2=y}\", ap.toString());")
.addLine("assertEquals(\"DataType{item1=x, item2=y}\", pp.toString());")
.build())
.runTest();
}
@Test
public void testPartialToString_singleField() {
behaviorTester
.with(new Processor(features))
.with(OPTIONAL_PROPERTY_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType empty = com.example.DataType.builder()")
.addLine(" .buildPartial();")
.addLine("com.example.DataType present = com.example.DataType.builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .buildPartial();")
.addLine("assertEquals(\"partial DataType{}\", empty.toString());")
.addLine("assertEquals(\"partial DataType{item=item}\", present.toString());")
.build())
.runTest();
}
@Test
public void testPartialToString_twoFields() {
behaviorTester
.with(new Processor(features))
.with(TWO_OPTIONAL_PROPERTIES_TYPE)
.with(new TestBuilder()
.addLine("com.example.DataType aa = com.example.DataType.builder()")
.addLine(" .buildPartial();")
.addLine("com.example.DataType pa = com.example.DataType.builder()")
.addLine(" .setItem1(\"x\")")
.addLine(" .buildPartial();")
.addLine("com.example.DataType ap = com.example.DataType.builder()")
.addLine(" .setItem2(\"y\")")
.addLine(" .buildPartial();")
.addLine("com.example.DataType pp = com.example.DataType.builder()")
.addLine(" .setItem1(\"x\")")
.addLine(" .setItem2(\"y\")")
.addLine(" .buildPartial();")
.addLine("assertEquals(\"partial DataType{}\", aa.toString());")
.addLine("assertEquals(\"partial DataType{item1=x}\", pa.toString());")
.addLine("assertEquals(\"partial DataType{item2=y}\", ap.toString());")
.addLine("assertEquals(\"partial DataType{item1=x, item2=y}\", pp.toString());")
.build())
.runTest();
}
@Test
public void testWildcardHandling_noWildcard() {
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s<%s>> getItems();",
Optional.class, ImmutableList.class, Number.class)
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItems(%s.of((%s) 1, 2, 3, 4))", ImmutableList.class, Number.class)
.addLine(" .build();")
.addLine("assertThat(value.getItems().get()).containsExactly(1, 2, 3, 4).inOrder();")
.build())
.runTest();
}
@Test
public void testWildcardHandling_unboundedWildcard() {
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s<?>> getItems();",
Optional.class, ImmutableList.class)
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItems(%s.of(1, 2, 3, 4))", ImmutableList.class)
.addLine(" .build();")
.addLine("assertThat(value.getItems().get()).containsExactly(1, 2, 3, 4).inOrder();")
.build())
.runTest();
}
@Test
public void testWildcardHandling_wildcardWithExtendsBound() {
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("@%s", FreeBuilder.class)
.addLine("public abstract class DataType {")
.addLine(" public abstract %s<%s<? extends %s>> getItems();",
Optional.class, ImmutableList.class, Number.class)
.addLine(" public static class Builder extends DataType_Builder {}")
.addLine("}")
.build())
.with(new TestBuilder()
.addLine("com.example.DataType value = new com.example.DataType.Builder()")
.addLine(" .setItems(%s.of(1, 2, 3, 4))", ImmutableList.class)
.addLine(" .build();")
.addLine("assertThat(value.getItems().get()).containsExactly(1, 2, 3, 4).inOrder();")
.build())
.runTest();
}
@Test
public void testJacksonInteroperability() {
// See also https://github.com/google/FreeBuilder/issues/68
behaviorTester
.with(new Processor(features))
.with(new SourceBuilder()
.addLine("package com.example;")
.addLine("import " + JsonProperty.class.getName() + ";")
.addLine("@%s", FreeBuilder.class)
.addLine("@%s(builder = DataType.Builder.class)", JsonDeserialize.class)
.addLine("public interface DataType {")
.addLine(" @JsonProperty(\"stuff\") %s<%s> getItem();", Optional.class, String.class)
.addLine("")
.addLine(" class Builder extends DataType_Builder {}")
.addLine("}")
.build())
.with(new TestBuilder()
.addImport("com.example.DataType")
.addLine("DataType value = new DataType.Builder()")
.addLine(" .setItem(\"item\")")
.addLine(" .build();")
.addLine("%1$s mapper = new %1$s()", ObjectMapper.class)
.addLine(" .registerModule(new %s());", Jdk8Module.class)
.addLine("String json = mapper.writeValueAsString(value);")
.addLine("DataType clone = mapper.readValue(json, DataType.class);")
.addLine("assertEquals(%s.of(\"item\"), clone.getItem());", Optional.class)
.build())
.runTest();
}
}