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61 lines
1.7 KiB
61 lines
1.7 KiB
10 years ago
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var assert = require("assert");
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var classNames = require('./');
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describe('classNames', function() {
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it('keeps object keys with truthy values', function() {
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assert.equal(classNames({
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a: true,
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b: false,
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c: 0,
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d: null,
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e: undefined,
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f: 1,
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}), 'a f');
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});
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it('joins arrays of class names and ignore falsy values', function() {
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assert.equal(classNames('a', 0, null, undefined, true, 1, 'b'), 'a 1 b');
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});
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it('supports heterogenous arguments', function() {
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assert.equal(classNames({a: true}, 'b', 0), 'a b');
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});
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it('should be trimmed', function() {
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assert.equal(classNames('', 'b', {}, ''), 'b');
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});
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it('returns an empty string for an empty configuration', function() {
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assert.equal(classNames({}), '');
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});
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it('supports an array of class names', function() {
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assert.equal(classNames(['a', 'b']), 'a b');
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});
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it('joins array arguments with string arguments', function() {
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assert.equal(classNames(['a', 'b'], 'c'), 'a b c');
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assert.equal(classNames('c', ['a', 'b']), 'c a b');
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});
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it('handles multiple array arguments', function() {
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assert.equal(classNames(['a', 'b'], ['c', 'd']), 'a b c d');
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});
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it('handles arrays that include falsy and true values', function() {
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assert.equal(classNames(['a', 0, null, undefined, false, true, 'b']), 'a b');
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});
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it('handles arrays that include arrays', function() {
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assert.equal(classNames(['a', ['b', 'c']]), 'a b c');
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});
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it('handles arrays that include objects', function() {
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assert.equal(classNames(['a', {b: true, c: false}]), 'a b');
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});
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it('handles deep array recursion', function() {
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assert.equal(classNames(['a', ['b', ['c', {d: true}]]]), 'a b c d');
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});
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});
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