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Show a better expected vs actual for tests with large output
Summary: When tests have a lot of output, show a diff of the expected/actual. Test Plan: Used this when developing D2016 to examine large output usefully. Reviewers: btrahan Reviewed By: btrahan CC: aran, epriestley Differential Revision: https://secure.phabricator.com/D2017
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2 changed files with 10 additions and 9 deletions
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@ -79,17 +79,17 @@ abstract class ArcanistPhutilTestCase {
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$output .= "\n";
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if (strpos($expect, "\n") !== false) {
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$expect = "\n{$expect}";
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if (strpos($expect, "\n") === false && strpos($result, "\n") === false) {
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$output .= "Expected: {$expect}\n";
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$output .= "Actual: {$result}";
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} else {
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$output .= "Expected vs Actual Output Diff\n";
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$output .= ArcanistDiffUtils::renderDifferences(
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$expect,
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$result,
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$lines = 0xFFFF);
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}
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if (strpos($result, "\n") !== false) {
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$result = "\n{$result}";
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}
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$output .= "Expected: {$expect}\n";
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$output .= "Actual: {$result}";
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$this->failTest($output);
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throw new ArcanistPhutilTestTerminatedException($output);
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}
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@ -6,6 +6,7 @@
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phutil_require_module('arcanist', 'difference');
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phutil_require_module('arcanist', 'unit/engine/phutil/testcase/exception');
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phutil_require_module('arcanist', 'unit/result');
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