android/testSrc/com/android/tools/idea/editors/GradleImplicitPropertyUsageProviderTest.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.android.tools.idea.editors;

import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.psi.PropertiesFile;
import com.intellij.lang.properties.psi.Property;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import org.jetbrains.android.AndroidTestCase;

public class GradleImplicitPropertyUsageProviderTest extends AndroidTestCase {
  public void testGradleWrapper() {
    VirtualFile vFile = myFixture.copyFileToProject("projects/projectWithAppandLib/gradle/wrapper/gradle-wrapper.properties", "gradle/wrapper/gradle-wrapper.properties");
    PsiFile file = PsiManager.getInstance(getProject()).findFile(vFile);
    assertNotNull(file);
    PropertiesFile propertiesFile = (PropertiesFile)file;
    GradleImplicitPropertyUsageProvider provider = new GradleImplicitPropertyUsageProvider();
    for (IProperty property : propertiesFile.getProperties()) {
      // All properties are considered used in this file
      String name = property.getName();
      assertTrue(name, provider.isUsed((Property)property));
    }
  }

  public void testLocalProperties() {
    VirtualFile vFile = myFixture.copyFileToProject("test.properties", "local.properties");
    PsiFile file = PsiManager.getInstance(getProject()).findFile(vFile);
    assertNotNull(file);
    PropertiesFile propertiesFile = (PropertiesFile)file;
    GradleImplicitPropertyUsageProvider provider = new GradleImplicitPropertyUsageProvider();
    for (IProperty property : propertiesFile.getProperties()) {
      Property p = (Property)property;
      // Only but the property with "unused" in its name are considered used
      String name = property.getName();
      if (name.contains("unused")) {
        assertFalse(name, provider.isUsed(p));
      } else {
        assertTrue(name, provider.isUsed(p));
      }
    }
  }
}