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// Copyright 2018 The Bazel Authors. 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 com.google.devtools.build.lib.skylarkinterface.processor;
import static com.google.common.truth.Truth.assertAbout;
import static com.google.testing.compile.JavaSourceSubjectFactory.javaSource;
import com.google.common.io.Resources;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.syntax.Environment;
import com.google.testing.compile.JavaFileObjects;
import javax.tools.JavaFileObject;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for SkylarkCallableProcessor.
*/
@RunWith(JUnit4.class)
public final class SkylarkCallableProcessorTest {
private static JavaFileObject getFile(String pathToFile) {
return JavaFileObjects.forResource(Resources.getResource(
SkylarkCallableProcessorTest.class, "testsources/" + pathToFile));
}
@Test
public void testGoldenCase() throws Exception {
assertAbout(javaSource())
.that(getFile("GoldenCase.java"))
.processedWith(new SkylarkCallableProcessor())
.compilesWithoutError();
}
@Test
public void testPrivateMethod() throws Exception {
assertAbout(javaSource())
.that(getFile("PrivateMethod.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining("@SkylarkCallable annotated methods must be public.");
}
@Test
public void testStructFieldWithArguments() throws Exception {
assertAbout(javaSource())
.that(getFile("StructFieldWithArguments.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"@SkylarkCallable annotated methods with structField=true must have zero arguments.");
}
@Test
public void testArgumentMissing() throws Exception {
assertAbout(javaSource())
.that(getFile("ArgumentMissing.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"@SkylarkCallable annotated method has 0 parameters, "
+ "but annotation declared 1 user-supplied parameters "
+ "and 0 extra interpreter parameters.");
}
@Test
public void testEnvironmentMissing() throws Exception {
assertAbout(javaSource())
.that(getFile("EnvironmentMissing.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"Expected parameter index 2 to be the "
+ Environment.class.getCanonicalName()
+ " type, matching useEnvironment, but was java.lang.String");
}
@Test
public void testLocationMissing() throws Exception {
assertAbout(javaSource())
.that(getFile("LocationMissing.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"Expected parameter index 2 to be the "
+ Location.class.getCanonicalName()
+ " type, matching useLocation, but was java.lang.String");
}
@Test
public void testSkylarkInfoWrongOrder() throws Exception {
assertAbout(javaSource())
.that(getFile("SkylarkInfoWrongOrder.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"Expected parameter index 3 to be the "
+ Location.class.getCanonicalName()
+ " type, matching useLocation, but was java.lang.Integer");
}
@Test
public void testTooManyArguments() throws Exception {
assertAbout(javaSource())
.that(getFile("TooManyArguments.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"@SkylarkCallable annotated method has 2 parameters, "
+ "but annotation declared 1 user-supplied parameters "
+ "and 0 extra interpreter parameters.");
}
@Test
public void testInvalidParamNoneDefault() throws Exception {
assertAbout(javaSource())
.that(getFile("InvalidParamNoneDefault.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"Parameter 'a_parameter' has 'None' default value but is not noneable.");
}
@Test
public void testParamTypeConflict() throws Exception {
assertAbout(javaSource())
.that(getFile("ParamTypeConflict.java"))
.processedWith(new SkylarkCallableProcessor())
.failsToCompile()
.withErrorContaining(
"Parameter 'a_parameter' has both 'type' and 'allowedTypes' specified."
+ " Only one may be specified.");
}
}
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