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node-task/node_modules/nodeunit/test/test-bettererrors.js

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2014-09-18 15:35:58 -04:00
/*
* Test utils.betterErrors. utils.betterErrors should provide sensible error messages even when the error does not
* contain expected, actual or operator.
*/
var assert = require("../lib/assert");
var should = require("should");
var types = require("../lib/types");
var util = require('util');
var utils = require("../lib/utils");
function betterErrorStringFromError(error) {
var assertion = types.assertion({error: error});
var better = utils.betterErrors(assertion);
return better.error.stack.toString();
}
function performBasicChecks(betterErrorString) {
betterErrorString.should.include("AssertionError");
betterErrorString.should.include("test-bettererrors");
//betterErrorString.should.not.include("undefined");
}
/**
* Control test. Provide an AssertionError that contains actual, expected operator values.
* @param test the test object from nodeunit
*/
exports.testEqual = function (test) {
try {
assert.equal(true, false);
} catch (error) {
var betterErrorString = betterErrorStringFromError(error);
performBasicChecks(betterErrorString);
betterErrorString.should.include("true");
betterErrorString.should.include("false");
betterErrorString.should.include("==");
test.done();
}
};
/**
* Test an AssertionError that does not contain actual, expected or operator values.
* @param test the test object from nodeunit
*/
exports.testAssertThrows = function (test) {
try {
assert.throws(function () {
});
} catch (error) {
var betterErrorString = betterErrorStringFromError(error);
performBasicChecks(betterErrorString);
test.done();
}
};
/**
* Test with an error that is not an AssertionError.
*
* This function name MUST NOT include "AssertionError" because one of the
* tests it performs asserts that the returned error string does not contain
* the "AssertionError" term. If this function name does include that term, it
* will show up in the stack trace and the test will fail!
* @param test the test object from nodeunit
*/
exports.testErrorIsNotAssertion = function (test) {
try {
throw new Error("test error");
} catch (error) {
var betterErrorString = betterErrorStringFromError(error);
betterErrorString.should.not.include("AssertionError");
betterErrorString.should.include("Error");
betterErrorString.should.include("test error");
betterErrorString.should.include("test-bettererrors");
betterErrorString.should.not.include("undefined");
test.done();
}
};