Files
jasmine/spec/property/matchersUtilSpec.js
Steve Gravrock 4eded6ab61 Added basic property tests for matchersUtil.equals
* See #1764 from @dubzzz
* Property tests are only run in Node, not browser.
* The Travis build sets JASMINE_LONG_PROPERTY_TESTS to enable much more
  thorough (but slow) testing.
2020-01-04 14:52:34 -08:00

70 lines
1.7 KiB
JavaScript

describe('matchersUtil -- property tests', function() {
'use strict';
var fc = require('fast-check');
function basicAnythingSettings() {
return {
key: fc.oneof(fc.string(), fc.constantFrom('k1', 'k2', 'k3')),
// Limiting depth & number of keys allows fast-check to try
// a lot more scalar values.
maxDepth: 2,
maxKeys: 5,
withBoxedValues: true,
withMap: true,
withSet: true
};
}
function numRuns() {
var many = 5000000;
// Be thorough but very slow when specified (usually on CI).
if (process.env.JASMINE_LONG_PROPERTY_TESTS) {
console.log(
'Using',
many,
'runs of fc.assert because JASMINE_LONG_PROPERTY_TESTS was set. This may take several minutes.'
);
return many;
} else {
return undefined;
}
}
describe('equals', function() {
it('is symmetric', function() {
fc.assert(
fc.property(
fc.anything(basicAnythingSettings()),
fc.anything(basicAnythingSettings()),
function(a, b) {
return (
jasmineUnderTest.matchersUtil.equals(a, b) ===
jasmineUnderTest.matchersUtil.equals(b, a)
);
}
),
{
numRuns: numRuns(),
examples: [[0, 5e-324]]
}
);
});
it('is reflexive', function() {
var anythingSettings = basicAnythingSettings();
anythingSettings.withMap = false;
fc.assert(
fc.property(fc.dedup(fc.anything(anythingSettings), 2), function(
values
) {
return jasmineUnderTest.matchersUtil.equals(values[0], values[1]);
}),
{
numRuns: numRuns()
}
);
});
});
});