66 lines
2.2 KiB
Java
66 lines
2.2 KiB
Java
/*
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* Copyright (C) 2020 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.hilt.android.internal.testing;
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import java.lang.reflect.InvocationTargetException;
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/** Stores the {@link TestComponentData} for a Hilt test class. */
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public abstract class TestComponentDataSupplier {
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/** Returns a {@link TestComponentData}. */
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protected abstract TestComponentData get();
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static TestComponentData get(Class<?> testClass) {
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String generatedClassName = getEnclosedClassName(testClass) + "_TestComponentDataSupplier";
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try {
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return Class.forName(generatedClassName)
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.asSubclass(TestComponentDataSupplier.class)
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.getDeclaredConstructor()
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.newInstance()
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.get();
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} catch (ClassNotFoundException
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| NoSuchMethodException
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| IllegalAccessException
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| InstantiationException
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| InvocationTargetException e) {
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throw new RuntimeException(
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String.format(
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"Hilt test, %s, is missing generated file: %s. Check that the test class is "
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+ " annotated with @HiltAndroidTest and that the processor is running over your"
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+ " test.",
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testClass.getSimpleName(),
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generatedClassName),
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e);
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}
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}
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private static String getEnclosedClassName(Class<?> testClass) {
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StringBuilder sb = new StringBuilder();
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Class<?> currClass = testClass;
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while (currClass != null) {
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Class<?> enclosingClass = currClass.getEnclosingClass();
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if (enclosingClass != null) {
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sb.insert(0, "_" + currClass.getSimpleName());
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} else {
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sb.insert(0, currClass.getCanonicalName());
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}
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currClass = enclosingClass;
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}
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return sb.toString();
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}
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}
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