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Diffstat (limited to 'testutil/src/main/java/com/yahoo/test/LinePatternMatcher.java')
-rw-r--r-- | testutil/src/main/java/com/yahoo/test/LinePatternMatcher.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/testutil/src/main/java/com/yahoo/test/LinePatternMatcher.java b/testutil/src/main/java/com/yahoo/test/LinePatternMatcher.java new file mode 100644 index 00000000000..c1cb8e4032c --- /dev/null +++ b/testutil/src/main/java/com/yahoo/test/LinePatternMatcher.java @@ -0,0 +1,43 @@ +// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.test; + +import org.hamcrest.BaseMatcher; +import org.hamcrest.Description; +import org.hamcrest.Factory; +import org.hamcrest.Matcher; + +/** + * Checks if a multi-line string contains at least one line with the expected regex pattern. + * + * @author gjoranv + * @since 5.1.7 + */ +public class LinePatternMatcher extends BaseMatcher<String> { + + private final String pattern; + + public LinePatternMatcher(String pattern) { + this.pattern = pattern; + } + + @Override + public void describeTo(Description description) { + description.appendText("contains a line that matches expression '" + pattern + "'"); + } + + @Override + public boolean matches(Object o) { + String s = (String)o; + String[] lines = s.split("\n"); + for (String line : lines) + if (line.matches(pattern)) + return true; + return false; + } + + @Factory + public static <T> Matcher<String> containsLineWithPattern(String pattern) { + return new LinePatternMatcher(pattern); + } + +}
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