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Make equals() for unit tests more clever.

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Supporting tolerance for numbers, and calling of #equals() on expected value.
This commit is contained in:
Jürg Lehni 2013-02-08 19:37:58 -08:00
parent 8f8f1534a5
commit 6ae500e6df
1 changed files with 9 additions and 2 deletions
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11
test/lib/helpers.js
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@ -11,7 +11,7 @@
*/
// Override equals to convert functions to message and execute them as tests()
function equals(actual, expected, message) {
function equals(actual, expected, message, tolerance) {
if (typeof actual === 'function') {
if (!message) {
message = actual.toString().match(
@ -27,7 +27,14 @@ function equals(actual, expected, message) {
actual = actual();
}
// Let's be strict
return strictEqual(actual, expected, message);
if (tolerance !== undefined) {
var ok = Math.abs(actual - expected) <= tolerance;
return QUnit.push(ok, ok ? expected : actual, expected, message);
} else if (expected && expected.equals) {
return QUnit.push(expected.equals(actual), actual + '', expected + '', message);
} else {
return strictEqual(actual, expected, message);
}
}
function test(testName, expected) {