Package com.python.pydev.analysis

Source Code of com.python.pydev.analysis.AnalysisTestsBase

/**
* Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
/*
* Created on 01/10/2005
*/
package com.python.pydev.analysis;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jface.text.Document;
import org.python.pydev.core.ICodeCompletionASTManager;
import org.python.pydev.core.IInterpreterManager;
import org.python.pydev.core.MisconfigurationException;
import org.python.pydev.core.TestDependent;
import org.python.pydev.core.docutils.StringUtils;
import org.python.pydev.editor.autoedit.TestIndentPrefs;
import org.python.pydev.editor.codecompletion.revisited.CodeCompletionTestsBase;
import org.python.pydev.editor.codecompletion.revisited.ProjectModulesManager;
import org.python.pydev.editor.codecompletion.revisited.modules.AbstractModule;
import org.python.pydev.editor.codecompletion.revisited.modules.CompiledModule;
import org.python.pydev.editor.codecompletion.revisited.modules.SourceModule;
import org.python.pydev.ui.pythonpathconf.InterpreterInfo;

import com.aptana.shared_core.callbacks.ICallback;
import com.aptana.shared_core.structure.Tuple;
import com.python.pydev.analysis.additionalinfo.AbstractAdditionalDependencyInfo;
import com.python.pydev.analysis.additionalinfo.AbstractAdditionalTokensInfo;
import com.python.pydev.analysis.additionalinfo.AdditionalProjectInterpreterInfo;
import com.python.pydev.analysis.additionalinfo.AdditionalSystemInterpreterInfo;
import com.python.pydev.analysis.additionalinfo.IInfo;
import com.python.pydev.analysis.additionalinfo.builders.InterpreterObserver;
import com.python.pydev.analysis.messages.IMessage;

public class AnalysisTestsBase extends CodeCompletionTestsBase {

    protected String sDoc;
    protected Document doc;
    protected OccurrencesAnalyzer analyzer;
    protected IMessage[] msgs;
    protected AnalysisPreferencesStub prefs;
    protected boolean forceAdditionalInfoRecreation = false;

    //additional info
    protected InterpreterObserver observer;

    /**
     * @return Returns the manager.
     */
    protected ICodeCompletionASTManager getManager() {
        return (ICodeCompletionASTManager) nature.getAstManager();
    }

    /*
     * @see TestCase#setUp()
     */
    public void setUp() throws Exception {
        super.setUp();
        AbstractAdditionalDependencyInfo.TESTING = true;
        ProjectModulesManager.IN_TESTS = true;
        //additional info
        observer = new InterpreterObserver();

        CompiledModule.COMPILED_MODULES_ENABLED = true;

        final String paths = getSystemPythonpathPaths();
        String lower = paths.toLowerCase();
        lower = StringUtils.replaceAllSlashes(lower);
        final Set<String> s = new HashSet<String>(Arrays.asList(lower.split("\\|")));
        InterpreterInfo.configurePathsCallback = new ICallback<Boolean, Tuple<List<String>, List<String>>>() {

            public Boolean call(Tuple<List<String>, List<String>> arg) {
                List<String> toAsk = arg.o1;
                List<String> l = arg.o2;

                for (String t : toAsk) {
                    if (s.contains(StringUtils.replaceAllSlashes(t.toLowerCase()))) {
                        l.add(t);
                        //System.out.println("Added:"+t);
                    }
                }
                return Boolean.TRUE;
            }

        };

        restorePythonPath(paths, false);
        prefs = new AnalysisPreferencesStub();
        analyzer = new OccurrencesAnalyzer();

    }

    protected String getSystemPythonpathPaths() {
        String paths;
        paths = TestDependent.PYTHON_LIB + "|" + TestDependent.PYTHON_SITE_PACKAGES + "|" + TestDependent.PYTHON_DLLS;
        if (TestDependent.PYTHON_WXPYTHON_PACKAGES != null) {
            paths += "|" + TestDependent.PYTHON_WXPYTHON_PACKAGES;
        }
        if (TestDependent.PYTHON_OPENGL_PACKAGES != null) {
            paths += "|" + TestDependent.PYTHON_OPENGL_PACKAGES;
        }
        return paths;
    }

    /*
     * @see TestCase#tearDown()
     */
    public void tearDown() throws Exception {
        super.tearDown();
        AbstractAdditionalDependencyInfo.TESTING = false;
        CompiledModule.COMPILED_MODULES_ENABLED = false;
    }

    /**
     * Uses the doc attribute as the module and makes the analysis, checking if no error is found.
     */
    protected void checkNoError() {
        analyzer = new OccurrencesAnalyzer();
        msgs = analyze();

        printMessages(msgs, 0);
    }

    /**
     * Uses the doc attribute as the module and makes the analysis, checking if no error is found.
     * @return the messages that were reported as errors
     */
    protected IMessage[] checkError(int numberOfErrors) {
        analyzer = new OccurrencesAnalyzer();
        msgs = analyze();

        printMessages(msgs, numberOfErrors);
        return msgs;
    }

    /**
     * Uses the doc attribute as the module and makes the analysis, checking if no error is found.
     * @return the messages that were reported as errors
     */
    protected IMessage[] checkError(String... errors) {
        analyzer = new OccurrencesAnalyzer();
        msgs = analyze();

        printMessages(msgs, errors.length);

        HashSet<String> found = new HashSet<String>();
        for (IMessage msg : msgs) {
            found.add(msg.getMessage());
        }

        for (String s : errors) {
            if (!found.remove(s)) {
                printMessages(msgs);
                fail("Could not find error: " + s + " in current errors.");
            }
        }

        return msgs;
    }

    private IMessage[] analyze() {
        try {
            return analyzer.analyzeDocument(nature,
                    (SourceModule) AbstractModule.createModuleFromDoc(null, null, doc, nature, true), prefs, doc,
                    new NullProgressMonitor(), new TestIndentPrefs(true, 4));
        } catch (MisconfigurationException e) {
            throw new RuntimeException(e);
        }
    }

    // ---------------------------------------------------------------------- additional info
    @Override
    protected boolean restoreSystemPythonPath(boolean force, String path) {
        boolean restored = super.restoreSystemPythonPath(force, path);
        if (restored) {
            IProgressMonitor monitor = new NullProgressMonitor();

            //try to load it from previous session
            IInterpreterManager interpreterManager = getInterpreterManager();
            try {
                String defaultInterpreter = interpreterManager.getDefaultInterpreterInfo(false).getExecutableOrJar();
                boolean recreate = forceAdditionalInfoRecreation;
                if (!recreate) {
                    //one last check: if TestCase is not found, recreate it!
                    AbstractAdditionalDependencyInfo additionalSystemInfo = AdditionalSystemInterpreterInfo
                            .getAdditionalSystemInfo(interpreterManager, defaultInterpreter);
                    Collection<IInfo> tokensStartingWith = additionalSystemInfo.getTokensStartingWith("TestCase",
                            AbstractAdditionalTokensInfo.TOP_LEVEL);
                    recreate = true;
                    for (IInfo info : tokensStartingWith) {
                        if (info.getName().equals("TestCase")) {
                            if (info.getDeclaringModuleName().equals("unittest")) {
                                recreate = false;
                                break;
                            }
                        }
                    }
                }

                if (recreate) {
                    System.out.println("Recreating: " + this.getClass() + " - "
                            + interpreterManager.getInterpreterInfo(defaultInterpreter, null));
                    observer.notifyDefaultPythonpathRestored(interpreterManager, defaultInterpreter, monitor);
                }
            } catch (MisconfigurationException e) {
                throw new RuntimeException(e);
            }
        }
        return restored;
    }

    @Override
    protected boolean restoreProjectPythonPath(boolean force, String path) {
        boolean ret = super.restoreProjectPythonPath(force, path);
        if (ret) {
            try {
                AdditionalProjectInterpreterInfo.getAdditionalInfo(nature);
            } catch (MisconfigurationException e) {
                throw new RuntimeException(e);
            }
        }
        return ret;
    }

    //------------------------------------------------------------------------- analysis
    /**
     * @param msgs
     */
    protected void printMessages(IMessage... msgs) {
        for (int i = 0; i < msgs.length; i++) {
            System.out.println(msgs[i]);
        }
    }

    protected void assertNotContainsMsg(String msg, IMessage[] msgs2) {
        if (containsMsg(msg, msgs2) != null) {
            fail("The message " + msg + " was found within the messages (it should not have been found).");
        }
    }

    protected IMessage assertContainsMsg(String msg, IMessage[] msgs2) {
        return assertContainsMsg(msg, msgs2, -1);
    }

    protected IMessage assertContainsMsg(String msg, IMessage[] msgs2, int line) {
        IMessage found = containsMsg(msg, msgs2, line);

        if (found != null) {
            return found;
        }

        StringBuffer msgsAvailable = new StringBuffer();
        for (IMessage message : msgs2) {
            msgsAvailable.append(message.getMessage());
            msgsAvailable.append("\n");
        }
        fail(com.aptana.shared_core.string.StringUtils.format("No message named %s could be found. Available: %s", msg, msgsAvailable));
        return null;
    }

    /**
     * Checks if a specific message is contained within the messages passed
     */
    protected IMessage containsMsg(String msg, IMessage[] msgs2) {
        return containsMsg(msg, msgs2, -1);
    }

    /**
     * Checks if a specific message is contained within the messages passed
     */
    protected IMessage containsMsg(String msg, IMessage[] msgs2, int line) {
        IMessage ret = null;
        for (IMessage message : msgs2) {
            if (message.getMessage().equals(msg)) {
                if (line != -1) {
                    ret = message;
                    if (line == message.getStartLine(doc)) {
                        return message;
                    }
                } else {
                    return message;
                }
            }
        }

        if (line != -1) {
            fail("The message :" + msg + " was not found in the specified line (" + line + ")");
        }
        return ret;
    }

    protected void printMessages(IMessage[] msgs, int i) {
        if (msgs.length != i) {
            printMessages(msgs);
        }
        assertEquals(i, msgs.length);
    }

}
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