Keycloak

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import java.util.Scanner;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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 * A simple utility class for trimming test output (if successful).
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 *
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 * Created to shrink down the output for Travis.
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 *
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 * Created by st on 03/07/17.
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 */
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public class LogTrimmer {
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    private static Pattern TEST_START_PATTERN = Pattern.compile("(\\[INFO\\] )?Running (.*)");
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    private static int TEST_NAME_GROUP = 2;
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    public static void main(String[] args) {
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        try (Scanner scanner = new Scanner(System.in)) {
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            String testRunning = null;
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            String line = null;
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            Matcher testMatcher = null;
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            StringBuilder testText = new StringBuilder();
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            while (scanner.hasNextLine()) {
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                line = scanner.nextLine();
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                if (testRunning == null) {
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                    testMatcher = TEST_START_PATTERN.matcher(line);
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                    if (testMatcher.find()) {
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                        testRunning = testMatcher.group(TEST_NAME_GROUP);
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                        System.out.println(line);
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                    } else {
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                        System.out.println("-- " + line);
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                    }
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                } else {
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                    if (line.contains("Tests run:")) {
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                        if (!(line.contains("Failures: 0") && line.contains("Errors: 0"))) {
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                            System.out.println("--------- " + testRunning + " output start ---------");
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                            System.out.println(testText.toString());
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                            System.out.println("--------- " + testRunning + " output end  ---------");
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                        }
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                        System.out.println(line);
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                        testRunning = null;
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                        testText = new StringBuilder();
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                    } else {
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                        testText.append(testRunning.substring(testRunning.lastIndexOf('.') + 1) + " ++ " + line);
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                        testText.append("\n");
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                    }
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                }
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            }
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        }
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    }
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}
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