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test.js
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test.js
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if (typeof require !== 'undefined') {
// node.js
global.expect = require('expect.js');
global.is = require('./is');
}
function runTests(data) {
var testName = data.testName,
passingInputs = data.passingInputs,
failingInputs = data.failingInputs,
fn = data.fn,
i;
describe(testName, function () {
it('testing passing cases', function () {
for (i = 0; i < passingInputs.length; i++) {
expect(fn(passingInputs[i])).to.be(true);
}
});
it('testing failing cases', function () {
for (i = 0; i < failingInputs.length; i++) {
expect(fn(failingInputs[i])).to.be(false);
}
});
});
}
runTests({
testName : 'is.array',
fn : is.array,
passingInputs : [[], [1, 2, 3], ['a', 'b', 'c']],
failingInputs : [null, undefined, 0, true, false, '', function () {}, {}]
});
// if all of the other tests pass, it is sufficient to test is.arrayOf
// with only one function that does not always return true or false
runTests({
testName : 'is.arrayOf',
fn : is.arrayOf(is.number),
passingInputs : [[1, 2, 3], [0], []],
failingInputs : [[{}], [1, 2, {}], [1, {}, 3], [{}, 2, 3], {}, null, undefined, Infinity, 0]
});
runTests({
testName : 'is.boolean',
fn : is.boolean,
passingInputs : [true, false],
failingInputs : [null, undefined, [], 0, '', function () {}, {}, new Boolean(true), new Boolean(false)]
});
runTests({
testName : 'is.defined',
fn : is.defined,
passingInputs : [[], [1, 2, 3], -5, 0, 0.2, true, false, '', function () {}, {}],
failingInputs : [null, NaN, Infinity, -Infinity, undefined]
});
runTests({
testName : 'is.fn',
fn : is.fn,
passingInputs : [function () {}, new Function()],
failingInputs : [null, undefined, [], 0, true, false, '', {}]
});
runTests({
testName : 'is.integer',
fn : is.integer,
passingInputs : [-1, 0, 1],
failingInputs : [[], [1], [1, 2, 3], null, undefined, 0.2, NaN, Infinity, -Infinity, true, '', function () {}, {}, new Number(5)]
});
runTests({
testName : 'is.nan',
fn : is.nan,
passingInputs : [NaN],
failingInputs : [[], null, undefined, -Infinity, Infinity, true, '', function () {}, {}]
});
runTests({
testName : 'is.number',
fn : is.number,
passingInputs : [0, Infinity, Number.MAX_VALUE, NaN],
failingInputs : [null, undefined, [], true, false, '5', function () {}, {}, new Number(5)]
});
runTests({
testName : 'is.object',
fn : is.object,
passingInputs : [{}, [], function () {}, new Number(5)],
failingInputs : [null, undefined, 0, true, false, '']
});
runTests({
testName : 'is.realNumber',
fn : is.realNumber,
passingInputs : [0, -5, 0.2],
failingInputs : [NaN, Infinity, -Infinity, [], [1, 2, 3], null, undefined, true, false, '', function () {}, {}, new Number(5)]
});
runTests({
testName : 'is.string',
fn : is.string,
passingInputs : ['', 'hello'],
failingInputs : [null, undefined, [], ['a'], 0, true, false, function () {}, new String('foo')]
});
runTests({
testName : 'is.undefined',
fn : is.undefined,
passingInputs : [undefined],
failingInputs : [NaN, Infinity, -Infinity, [], [1, 2, 3], null, true, false, '', function () {}, {}]
});
function Foo() {}
runTests({
testName : 'is.instanceOf',
fn : is.instanceOf(Foo),
passingInputs : [new Foo()],
failingInputs : [{}, [], null, undefined, NaN, Infinity]
});
runTests({
testName : 'is.matchingSchema({})',
fn : is.matchingSchema({}),
passingInputs : [{}],
failingInputs : [null, undefined, 0, '', NaN, Infinity, -Infinity]
});
runTests({
testName : 'is.matchingSchema({x: is.integer, y: is.integer})',
fn : is.matchingSchema({x: is.integer, y: is.integer, z: is.optional(is.integer)}),
passingInputs : [{x: 1, y: 1}, {x: -1, y: 5, z: 1234}],
failingInputs : [{}, null, undefined, {x: 0.1, y: 1}, {x: 0, y: 0, z: 0.1}]
});
runTests({
testName : 'is.matchingSchema({foo: {bar: {baz: is.boolean}}})',
fn : is.matchingSchema({foo: {bar: {baz: is.boolean}}}),
passingInputs : [{foo: {bar: {baz: true}}}],
failingInputs : [{foo: {bar: {baz: 0}}}, {}, {foo: {}}, {foo: {bar: {}}}, {foo: {bar: {baz: true, bip: false}}}]
});