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87 lines
2.5 KiB
87 lines
2.5 KiB
/*
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* Copyright (c) 2015 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package utils.matchers;
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import org.hamcrest.BaseMatcher;
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import org.hamcrest.Description;
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import org.hamcrest.Matcher;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.InputStreamReader;
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import java.util.Map;
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public class DotFilesEqual extends BaseMatcher<File> {
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String dotFile;
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public DotFilesEqual(String dotFile) {
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this.dotFile = dotFile;
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}
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private StringBuilder diffOutput = new StringBuilder();
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private String diffCommand = "";
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@Override
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public boolean matches(Object o) {
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File newDotFile = (File) o;
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Map<String, String> env = System.getenv();
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if (env.get("INFER_DOT_REPLACE") != null) {
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diffCommand = "cp " + newDotFile.getAbsolutePath() + " " + dotFile;
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} else {
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diffCommand = "diff -u " + dotFile + " " + newDotFile.getAbsolutePath();
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}
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try {
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Process diff_process = Runtime.getRuntime().exec(diffCommand);
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try (BufferedReader inputReader =
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new BufferedReader(new InputStreamReader(diff_process.getInputStream()));
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BufferedReader errorReader =
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new BufferedReader(new InputStreamReader(diff_process.getErrorStream()))) {
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String line = inputReader.readLine();
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while (line != null) {
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diffOutput = diffOutput.append(line + "\n");
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line = inputReader.readLine();
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}
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String errorLine = errorReader.readLine();
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while (errorLine != null) {
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diffOutput = diffOutput.append(errorLine + "\n");
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errorLine = errorReader.readLine();
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}
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diff_process.waitFor();
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return "".equals(diffOutput.toString());
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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} catch (Exception e) {
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e.printStackTrace();
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return false;
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}
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}
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@Override
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public void describeTo(Description description) {
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description.appendText("Dot file equal to " + dotFile);
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}
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@Override
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public void describeMismatch(Object item, Description description) {
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String outputDesc = "The command:\n\n " + diffCommand
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+ "\n\nfailed with output:\n" + diffOutput.toString() + "\n";
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description.appendText(outputDesc);
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}
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public static <T> Matcher<File> dotFileEqualTo(String dotFile) {
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return new DotFilesEqual(dotFile);
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}
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}
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