com.google.javascript.refactoring.testing.SuggestedFixes Maven / Gradle / Ivy

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/*
 * Copyright 2014 The Closure Compiler Authors.
 *
 * 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.javascript.refactoring.testing;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.SetMultimap;
import com.google.javascript.refactoring.ApplySuggestedFixes;
import com.google.javascript.refactoring.CodeReplacement;
import com.google.javascript.refactoring.SuggestedFix;
import java.util.List;
import java.util.Set;

/** Utilities for testing SuggestedFix-related code. */
public final class SuggestedFixes {
  private SuggestedFixes() {}

  public static void assertReplacement(SuggestedFix fix, CodeReplacement expectedReplacement) {
    assertReplacements(fix, ImmutableSet.of(expectedReplacement));
  }

  private static void assertReplacements(
      SuggestedFix fix, Set expectedReplacements) {
    SetMultimap replacementMap = fix.getReplacements();
    assertThat(replacementMap).hasSize(1);
    Set replacements = replacementMap.get("test");
    assertThat(replacements).hasSize(expectedReplacements.size());
    assertEquals(expectedReplacements, replacements);
  }

  public static void assertChanges(
      SuggestedFix fix, String externs, String originalCode, String expectedCode) {
    assertChanges(ImmutableList.of(fix), externs, originalCode, expectedCode);
  }

  public static void assertChanges(
      List fixes, String externs, String originalCode, String expectedCode) {
    assertThat(fixes).isNotEmpty();
    String newCode =
        ApplySuggestedFixes.applySuggestedFixesToCode(fixes, ImmutableMap.of("test", originalCode))
            .get("test");
    assertEquals(expectedCode, newCode);
  }
}