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Implemented 'to have text' assertion. #11

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merged 1 commit into from
Apr 22, 2015
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Implemented 'to have text' assertion. #11

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4 changes: 4 additions & 0 deletions lib/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -397,6 +397,10 @@ module.exports = {
}
});

expect.addAssertion('HTMLElement', 'to have text', function (expect, subject, value) {
return expect(subject.textContent, 'to satisfy', value);
});

expect.addAssertion(['HTMLDocument', 'HTMLElement'], 'queried for [first]', function (expect, subject, value) {
var queryResult;
if (this.flags.first) {
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31 changes: 27 additions & 4 deletions test/unexpected-dom.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,12 +23,13 @@ expect.addAssertion('to inspect as [itself]', function (expect, subject, value)
});

describe('unexpected-dom', function () {
var document, body;
beforeEach(function (done) {
var self = this;
jsdom.env(' ', function (err, window) {
self.window = window;
self.document = window.document;
self.body = window.document.body;
document = self.document = window.document;
body = self.body = window.document.body;

done();
});
Expand Down Expand Up @@ -75,8 +76,6 @@ describe('unexpected-dom', function () {
});

it('should consider two DOM elements equal when they are of same type and have same attributes', function () {
var document = this.document;

var el1 = document.createElement('h1');
var el2 = document.createElement('h1');
var el3 = document.createElement('h1');
Expand All @@ -94,6 +93,30 @@ describe('unexpected-dom', function () {
//expect(this.document.createElement('p'), 'to match', '<p />');
});

describe('to have text', function () {
it('should succeed', function () {
document.body.innerHTML = '<div>foo</div>';
return expect(document.body, 'to have text', 'foo');
});

it('should fail with a diff', function () {
document.body.innerHTML = '<div>foo</div>';
expect(function () {
expect(document.body, 'to have text', 'bar');
}, 'to throw',
'expected <body><div>foo</div></body> to have text \'bar\'\n' +
'\n' +
'-foo\n' +
'+bar'
);
});

it('should use "to satisfy" semantics', function () {
document.body.innerHTML = '<div>foo</div>';
return expect(document.body, 'to have text', /fo/);
});
});

describe('to have attributes', function () {
describe('argument comparison', function () {
it('should match exact arguments', function () {
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