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A packaging of the IntelliJ Community Edition python-community library. This is release number 1 of trunk branch 142.
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/*
 * Copyright 2000-2014 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.jetbrains.python.testing.unittest;

import com.intellij.execution.ExecutionException;
import com.intellij.execution.configurations.GeneralCommandLine;
import com.intellij.execution.configurations.ParamsGroup;
import com.intellij.execution.runners.ExecutionEnvironment;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.jetbrains.python.PyNames;
import com.jetbrains.python.testing.AbstractPythonTestRunConfiguration;
import com.jetbrains.python.testing.PythonTestCommandLineStateBase;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Leonid Shalupov
 */
public class PythonUnitTestCommandLineState extends
                                            PythonTestCommandLineStateBase {
  private final PythonUnitTestRunConfiguration myConfig;
  private static final String UTRUNNER_PY = "pycharm/utrunner.py";
  private static final String SETUP_PY_TESTRUNNER = "pycharm/pycharm_setup_runner.py";

  public PythonUnitTestCommandLineState(PythonUnitTestRunConfiguration runConfiguration, ExecutionEnvironment env) {
    super(runConfiguration, env);
    myConfig = runConfiguration;
  }

  @Override
  protected String getRunner() {
    if (myConfig.getTestType() == AbstractPythonTestRunConfiguration.TestType.TEST_SCRIPT &&
      myConfig.getScriptName().endsWith(PyNames.SETUP_DOT_PY))
      return SETUP_PY_TESTRUNNER;
    return UTRUNNER_PY;
  }

  protected List getTestSpecs() {
    List specs = new ArrayList();

    final String scriptName = FileUtil.toSystemDependentName(myConfig.getScriptName());
    switch (myConfig.getTestType()) {
      case TEST_SCRIPT:
        specs.add(scriptName);
        break;
      case TEST_CLASS:
        specs.add(scriptName + "::" + myConfig.getClassName());
        break;
      case TEST_METHOD:
        specs.add(scriptName + "::" + myConfig.getClassName() + "::" + myConfig.getMethodName());
        break;
      case TEST_FOLDER:
        final String folderName = FileUtil.toSystemDependentName(myConfig.getFolderName() + "/");
        if (!StringUtil.isEmpty(myConfig.getPattern()) && myConfig.usePattern()) {
          // ";" can't be used with bash, so we use "_args_separator_"
          specs.add(folderName + "_args_separator_" + myConfig.getPattern());
        }
        else {
          specs.add(folderName);
        }
        break;
      case TEST_FUNCTION:
        specs.add(scriptName + "::::" + myConfig.getMethodName());
        break;
      default:
        throw new IllegalArgumentException("Unknown test type: " + myConfig.getTestType());
    }
    return specs;
  }

  @Override
  protected void addAfterParameters(GeneralCommandLine cmd) throws ExecutionException {
    ParamsGroup script_params = cmd.getParametersList().getParamsGroup(GROUP_SCRIPT);
    assert script_params != null;
    if (myConfig.useParam() && !StringUtil.isEmptyOrSpaces(myConfig.getParams()))
      script_params.addParameter(myConfig.getParams());

    if (myConfig.getTestType() != AbstractPythonTestRunConfiguration.TestType.TEST_SCRIPT ||
        !myConfig.getScriptName().endsWith(PyNames.SETUP_DOT_PY))
      script_params.addParameter(String.valueOf(myConfig.isPureUnittest()));
  }
}