Created
October 2, 2016 20:06
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(function () { | |
// The test queue: | |
var tests = []; | |
// Function to add tests: | |
this.test = function test (name, cb) { | |
tests.push({name: name, test: cb}); | |
}; | |
this.run = function run () { | |
var i = 0, testToRun; | |
(function next (err) { | |
// Log status for last test run: | |
if (testToRun) console[err ? 'error' : 'log'](err ? '✘' : '✔', testToRun.name); | |
// Abort if last test failed or out of tests: | |
if (err || !(testToRun = tests[i++])) return done(err); | |
// Run test: | |
try { | |
testToRun.test.call(testToRun.test, next); | |
} catch (err) { | |
next(err); | |
} | |
})(); | |
function done (err) { | |
// Show remaining tests as skipped: | |
tests.slice(i).map(function (skippedTest) { console.log('-', skippedTest.name); }); | |
// We're finished: | |
console[err ? 'error' : 'log']('\nTests ' + (err ? 'failed!\n' + err.stack : 'succeeded!')); | |
} | |
}; | |
})(); | |
// Example usage: | |
test('1+1 equals 2', function (done) { | |
assert(1+1 === 2, '1+1 should be 2'); | |
done(); | |
}); | |
test('1+2 equals 3', function (done) { | |
assert(1+2 === 3, '1+2 should be 3'); | |
done(); | |
}); | |
// Add a failing test: | |
test('1+2 equals 4', function (done) { | |
assert(1+2 === 4, '1+2 should also be 4'); | |
done(); | |
}); | |
// Run all tests: | |
run(); | |
// assertion fx | |
function assert (condition, message) { | |
if (!condition) throw new Error(message); | |
} |
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