mirror of
https://github.com/react/react-native-devtools-frontend.git
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Tim van der Lippe
912cec0c68
DISABLE_THIRD_PARTY_CHECK=Adding istanbul-diff to node_modules Bug: chromium:1044881 Change-Id: Ia80f499622132ce9b2c0890147fecdd4530886c7 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2024871 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Mathias Bynens <mathias@chromium.org>
85 lines
3.0 KiB
JavaScript
85 lines
3.0 KiB
JavaScript
'use strict';
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let assert = require('assert'),
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fs = require('fs'),
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istanbulDiff = require('../lib/index'),
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cov1 = JSON.parse(fs.readFileSync('test/data/coverage-summary.1.json')),
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cov2 = JSON.parse(fs.readFileSync('test/data/coverage-summary.2.json')),
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diff = istanbulDiff.diff(cov2, cov1),
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diff_regressed = istanbulDiff.diff(cov1, cov2),
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diff_same = istanbulDiff.diff(cov1, cov1),
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opts = {
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nocolor: true,
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nomotivate: true
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},
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result;
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describe('#print', function() {
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it('should handle no arguments', function() {
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result = istanbulDiff.print();
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assert.deepEqual(result, {});
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});
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it('should handle empty argument', function() {
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result = istanbulDiff.print({});
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assert.equal(result.msg, 'No change');
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assert.equal(result.regressed, false);
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});
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it('should print decreased coverage', function() {
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result = istanbulDiff.print(diff_regressed, opts);
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assert.equal(result.msg, 'Coverage decreased -60% (-10) lines. (istanbul/)');
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assert.equal(result.regressed, true);
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});
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it('should print increased coverage', function() {
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result = istanbulDiff.print(diff, opts);
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assert.equal(result.msg, 'Coverage increased +60% (10) lines. (istanbul/)');
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assert.equal(result.regressed, false);
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});
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it('should print all with detail option', function() {
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result = istanbulDiff.print(diff, Object.assign({detail: true}, opts));
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assert.equal(result.msg, 'Coverage delta: +60% (10) lines, =statements, -10% (-10) functions, -1% (-1) branches (istanbul/)');
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assert.equal(result.regressed, true);
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});
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it('should print specific detail', function() {
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result = istanbulDiff.print(diff, Object.assign({detail: 'functions'}, opts));
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assert.equal(result.msg, 'Coverage decreased -10% (-10) functions. (istanbul/)');
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assert.equal(result.regressed, true);
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});
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it('should print multiple details', function() {
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result = istanbulDiff.print(diff, Object.assign({detail: 'lines,functions'}, opts));
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assert.equal(result.msg, 'Coverage delta: +60% (10) lines, -10% (-10) functions (istanbul/)');
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assert.equal(result.regressed, true);
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});
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it('should print unknown metric', function() {
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result = istanbulDiff.print(diff, Object.assign({detail: 'foo'}, opts));
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assert.equal(result.msg, 'No such coverage metric: foo');
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assert.equal(result.regressed, false);
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});
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it('should print same coverage', function() {
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result = istanbulDiff.print(diff_same, opts);
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assert.equal(result.msg, 'No change');
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assert.equal(result.regressed, false);
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});
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it('should print same detail coverage', function() {
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result = istanbulDiff.print(diff_same, Object.assign({detail: true}, opts));
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assert.equal(result.msg, 'Coverage delta: No change');
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assert.equal(result.regressed, false);
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});
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});
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describe('#print.compliment', function() {
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it('should get a compliment', function () {
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assert.equal(typeof istanbulDiff.print.compliment(true), 'string');
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assert.equal(typeof istanbulDiff.print.compliment(false), 'string');
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});
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}); |