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test: disable colors in test-assert.js #20695

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Merged
cjihrig merged 3 commits into from
May 15, 2018
Merged

test: disable colors in test-assert.js #20695

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b570485
test: disable colors in test-assert.js
cjihrig May 13, 2018
7597d45
test: disable colors in test-assert-deep.js
cjihrig May 13, 2018
ee2a770
test: disable colors in test-assert-checktag.js
cjihrig May 13, 2018
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test: disable colors in test-assert.js 
When test/parallel/test-assert.js is run with a TTY as stdout,
color codes in assertion messages cause the test to fail. This
commit disables colors when stdout is a TTY.

Fixes: #18967
PR-URL: #20695
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
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@cjihrig
cjihrig committed May 15, 2018
commit b5704859d043baeeda916ee4e435c06f5e2569e6
6 changes: 6 additions & 0 deletions test/parallel/test-assert.js
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Expand Up @@ -34,6 +34,12 @@ const { writeFileSync, unlinkSync } = require('fs');
const { inspect } = require('util');
const a = assert;

// Disable colored output to prevent color codes from breaking assertion
// message comparisons. This should only be an issue when process.stdout
// is a TTY.
if (process.stdout.isTTY)
process.env.NODE_DISABLE_COLORS = '1';

const start = 'Input A expected to strictly deep-equal input B:';
const actExp = '+ expected - actual';

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