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PipelineOptionsReflectorTest.java
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PipelineOptionsReflectorTest.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.beam.sdk.options;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.hasItem;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.isOneOf;
import static org.hamcrest.Matchers.not;
import com.fasterxml.jackson.annotation.JsonIgnore;
import java.util.Set;
import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableSet;
import org.hamcrest.FeatureMatcher;
import org.hamcrest.Matcher;
import org.hamcrest.Matchers;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link PipelineOptionsReflector}. */
@RunWith(JUnit4.class)
public class PipelineOptionsReflectorTest {
@Test
public void testGetOptionSpecs() throws NoSuchMethodException {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(SimpleOptions.class, true);
assertThat(
properties,
Matchers.hasItems(
PipelineOptionSpec.of(
SimpleOptions.class, "foo", SimpleOptions.class.getDeclaredMethod("getFoo"))));
}
/** Test interface. */
public interface SimpleOptions extends PipelineOptions {
String getFoo();
void setFoo(String value);
}
@Test
public void testFiltersNonGetterMethods() {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(OnlyTwoValidGetters.class, true);
assertThat(properties, not(hasItem(hasName(isOneOf("misspelled", "hasParameter", "prefix")))));
}
/** Test interface. */
public interface OnlyTwoValidGetters extends PipelineOptions {
String getFoo();
void setFoo(String value);
boolean isBar();
void setBar(boolean value);
String gtMisspelled();
void setMisspelled(String value);
String getHasParameter(String value);
void setHasParameter(String value);
String noPrefix();
void setNoPrefix(String value);
}
@Test
public void testBaseClassOptions() {
Set<PipelineOptionSpec> props =
PipelineOptionsReflector.getOptionSpecs(ExtendsSimpleOptions.class, true);
assertThat(props, hasItem(allOf(hasName("foo"), hasClass(SimpleOptions.class))));
assertThat(props, hasItem(allOf(hasName("foo"), hasClass(ExtendsSimpleOptions.class))));
assertThat(props, hasItem(allOf(hasName("bar"), hasClass(ExtendsSimpleOptions.class))));
}
/** Test interface. */
public interface ExtendsSimpleOptions extends SimpleOptions {
@Override
String getFoo();
@Override
void setFoo(String value);
String getBar();
void setBar(String value);
}
@Test
public void testExcludesNonPipelineOptionsMethods() {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(ExtendsNonPipelineOptions.class, true);
assertThat(properties, not(hasItem(hasName("foo"))));
}
/** Test interface. */
public interface NoExtendsClause {
String getFoo();
void setFoo(String value);
}
/** Test interface. */
public interface ExtendsNonPipelineOptions extends NoExtendsClause, PipelineOptions {}
@Test
public void testExcludesHiddenInterfaces() {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(HiddenOptions.class, true);
assertThat(properties, not(hasItem(hasName("foo"))));
}
@Test
public void testIncludesHiddenInterfaces() {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(HiddenOptions.class, false);
assertThat(properties, hasItem(hasName("foo")));
}
/** Test interface. */
@Hidden
public interface HiddenOptions extends PipelineOptions {
String getFoo();
void setFoo(String value);
}
@Test
public void testShouldSerialize() {
Set<PipelineOptionSpec> properties =
PipelineOptionsReflector.getOptionSpecs(JsonIgnoreOptions.class, true);
assertThat(properties, hasItem(allOf(hasName("notIgnored"), shouldSerialize())));
assertThat(properties, hasItem(allOf(hasName("ignored"), not(shouldSerialize()))));
}
/** Test interface. */
public interface JsonIgnoreOptions extends PipelineOptions {
String getNotIgnored();
void setNotIgnored(String value);
@JsonIgnore
String getIgnored();
void setIgnored(String value);
}
@Test
public void testMultipleInputInterfaces() {
Set<Class<? extends PipelineOptions>> interfaces =
ImmutableSet.of(BaseOptions.class, ExtendOptions1.class, ExtendOptions2.class);
Set<PipelineOptionSpec> props = PipelineOptionsReflector.getOptionSpecs(interfaces);
assertThat(props, hasItem(allOf(hasName("baseOption"), hasClass(BaseOptions.class))));
assertThat(props, hasItem(allOf(hasName("extendOption1"), hasClass(ExtendOptions1.class))));
assertThat(props, hasItem(allOf(hasName("extendOption2"), hasClass(ExtendOptions2.class))));
}
/** Test interface. */
public interface BaseOptions extends PipelineOptions {
String getBaseOption();
void setBaseOption(String value);
}
/** Test interface. */
public interface ExtendOptions1 extends BaseOptions {
String getExtendOption1();
void setExtendOption1(String value);
}
/** Test interface. */
public interface ExtendOptions2 extends BaseOptions {
String getExtendOption2();
void setExtendOption2(String value);
}
private static Matcher<PipelineOptionSpec> hasName(String name) {
return hasName(is(name));
}
private static Matcher<PipelineOptionSpec> hasName(Matcher<String> matcher) {
return new FeatureMatcher<PipelineOptionSpec, String>(matcher, "name", "name") {
@Override
protected String featureValueOf(PipelineOptionSpec actual) {
return actual.getName();
}
};
}
private static Matcher<PipelineOptionSpec> hasClass(Class<?> clazz) {
return new FeatureMatcher<PipelineOptionSpec, Class<?>>(
Matchers.<Class<?>>is(clazz), "defining class", "class") {
@Override
protected Class<?> featureValueOf(PipelineOptionSpec actual) {
return actual.getDefiningInterface();
}
};
}
private static Matcher<PipelineOptionSpec> hasGetter(String methodName) {
return new FeatureMatcher<PipelineOptionSpec, String>(is(methodName), "getter method", "name") {
@Override
protected String featureValueOf(PipelineOptionSpec actual) {
return actual.getGetterMethod().getName();
}
};
}
private static Matcher<PipelineOptionSpec> shouldSerialize() {
return new FeatureMatcher<PipelineOptionSpec, Boolean>(
equalTo(true), "should serialize", "shouldSerialize") {
@Override
protected Boolean featureValueOf(PipelineOptionSpec actual) {
return actual.shouldSerialize();
}
};
}
}