com.intellij.rt.coverage.data.api.SimpleDecodingTestDiscoveryProtocolReader Maven / Gradle / Ivy

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/*
 * Copyright 2000-2018 JetBrains s.r.o.
 *
 * 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.intellij.rt.coverage.data.api;

import com.intellij.rt.coverage.data.ClassMetadata;
import org.jetbrains.coverage.gnu.trove.TIntObjectHashMap;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public abstract class SimpleDecodingTestDiscoveryProtocolReader implements
    TestDiscoveryProtocolReader,
    TestDiscoveryProtocolReader.NameEnumeratorReader,
    TestDiscoveryProtocolReader.MetadataReader {
  private final TIntObjectHashMap enumerator = new TIntObjectHashMap();

  protected abstract void processData(String testClassName, String testMethodName, String className, String methodName);

  protected void processAffectedFile(String testClassName, String testMethodName, String filePath) {

  }

  protected abstract void processClassMetadataData(ClassMetadata metadata);

  public void debug(String message) {

  }

  public void error(String message) {

  }

  public void error(Exception error) {

  }

  public void testDiscoveryDataProcessingStarted(int version) {

  }

  public void testDiscoveryDataProcessingFinished() {

  }

  public MetadataReader createMetadataReader() {
    return this;
  }

  public ClassMetadataReader createClassMetadataReader() {
    return new ClassMetadataReader() {
      private Map methods;
      private List files;
      private String fqn;
      {
        reset();
      }

      public void classStarted(int classId) {
        fqn = enumerator.get(classId);
      }

      public void file(int fileId) {
        files.add(enumerator.get(fileId));
      }

      public void method(int methodId, byte[] hash) {
        methods.put(enumerator.get(methodId), hash);
      }

      public void classFinished(int classId) {
        processClassMetadataData(new ClassMetadata(fqn, files, methods));
        reset();
      }

      private void reset() {
        fqn = null;
        files = new ArrayList(1);
        methods = new HashMap(16); // TODO: Calculate mean methods count
      }

      public void finished() {
      }
    };
  }

  public NameEnumeratorReader createNameEnumeratorReader() {
    return this;
  }


  public void enumerate(String name, int id) {
    enumerator.put(id, name);
  }

  public TestDataReader createTestDataReader(final int testClassId, final int testMethodId) {
    return new TestDataReader() {
      private String currentClassName;

      public void classProcessingStarted(int classId) {
        currentClassName = enumerator.get(classId);
      }

      public void processUsedMethod(int methodId) {
        processData(enumerator.get(testClassId), enumerator.get(testMethodId), currentClassName, enumerator.get(methodId));
      }

      public void classProcessingFinished(int classId) {

      }

      public void testDataProcessed() {

      }

      public void processAffectedFile(int[] chunks) {
        SimpleDecodingTestDiscoveryProtocolReader.this
            .processAffectedFile(enumerator.get(testClassId), enumerator.get(testMethodId), decodeFile(chunks));
      }
    };
  }

  private String decodeFile(int[] chunks) {
    if (chunks.length == 0) return "";
    StringBuilder sb = new StringBuilder();
    for (int chunk : chunks) {
      sb.append(enumerator.get(chunk)).append("/");
    }
    sb.setLength(sb.length() - "/".length());
    return sb.toString();
  }
}