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test: improve tty.getColorDepth coverage

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PR-URL: https://github.com/nodejs/node/pull/19446
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Shingo Inoue <leko.noor@gmail.com>
This commit is contained in:
Ruben Bridgewater 2018-03-13 01:54:23 +01:00
parent 2e6dd93aaa
commit ce2ed584c8
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GPG Key ID: F07496B3EB3C1762
1 changed files with 45 additions and 17 deletions
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62
test/pseudo-tty/test-tty-get-color-depth.js
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@ -10,27 +10,55 @@ const writeStream = new WriteStream(fd);
{
const depth = writeStream.getColorDepth();
assert.equal(typeof depth, 'number');
assert(depth >= 1 && depth <= 24);
if (depth === 1) {
// Terminal does not support colors, compare to a value that would.
assert.notEqual(writeStream.getColorDepth({ COLORTERM: '1' }), depth);
} else {
// Terminal supports colors, compare to a value that would not.
assert.notEqual(writeStream.getColorDepth({ TERM: 'dumb' }), depth);
}
}
// Deactivate colors
// Check different environment variables.
[
[{ COLORTERM: '1' }, 4],
[{ TMUX: '1' }, 8],
[{ CI: '1' }, 1],
[{ CI: '1', TRAVIS: '1' }, 8],
[{ CI: '1', CIRCLECI: '1' }, 8],
[{ CI: '1', APPVEYOR: '1' }, 8],
[{ CI: '1', GITLAB_CI: '1' }, 8],
[{ CI: '1', CI_NAME: 'codeship' }, 8],
[{ TEAMCITY_VERSION: '1.0.0' }, 1],
[{ TEAMCITY_VERSION: '9.11.0' }, 4],
[{ TERM_PROGRAM: 'iTerm.app' }, 8],
[{ TERM_PROGRAM: 'iTerm.app', TERM_PROGRAM_VERSION: '3.0' }, 24],
[{ TERM_PROGRAM: 'iTerm.app', TERM_PROGRAM_VERSION: '2.0' }, 8],
[{ TERM_PROGRAM: 'HyperTerm' }, 24],
[{ TERM_PROGRAM: 'Hyper' }, 24],
[{ TERM_PROGRAM: 'MacTerm' }, 24],
[{ TERM_PROGRAM: 'Apple_Terminal' }, 8],
[{ TERM: 'xterm-256' }, 8],
[{ TERM: 'ansi' }, 4],
[{ TERM: 'ANSI' }, 4],
[{ TERM: 'color' }, 4],
[{ TERM: 'linux' }, 4],
[{ TERM: 'fail' }, 1],
[{ NODE_DISABLE_COLORS: '1' }, 1],
[{ TERM: 'dumb' }, 1],
[{ TERM: 'dumb', COLORTERM: '1' }, 4],
].forEach(([env, depth], i) => {
const actual = writeStream.getColorDepth(env);
assert.equal(
actual,
depth,
`i: ${i}, expected: ${depth}, actual: ${actual}, env: ${env}`
);
});
// OS settings
{
const tmp = process.env.NODE_DISABLE_COLORS;
process.env.NODE_DISABLE_COLORS = 1;
const platform = Object.getOwnPropertyDescriptor(process, 'platform');
const [ value, depth1, depth2 ] = process.platform !== 'win32' ?
['win32', 1, 4] : ['linux', 4, 1];
const depth = writeStream.getColorDepth();
assert.equal(depth, 1);
process.env.NODE_DISABLE_COLORS = tmp;
assert.equal(writeStream.getColorDepth({}), depth1);
Object.defineProperty(process, 'platform', { value });
assert.equal(writeStream.getColorDepth({}), depth2);
Object.defineProperty(process, 'platform', platform);
}