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Test Driven Development

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Kerrick Long Things I make and do Where to find me online twitter.com/KerrickLong github.com/Kerrick Lead Front-end Developer at Second Street KerrickLong.com www. meetup.com/STLEmber

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Why TDD?

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Outside-In

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Integration Tests Unit Tests then

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Red Green Refactor

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Green Refactor

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Test-Driven Design

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How?

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Integration Test

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Integration Test

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Integration Test Unit Test

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Integration Test Unit Test

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Integration Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test Unit Test

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Integration Test Unit Test Unit Test Unit Test Unit Test

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Tooling

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Karma Test Runner

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QUnit.js

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Assertions

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QUnit.assert.ok( makeBoolean() ) Assertions

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QUnit.assert.equal( makeTen(), '10' ) Assertions

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QUnit.assert.strictEqual( makeTen(), 10 ) Assertions

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QUnit.assert.deepEqual( makeObject(), { foo: ‘bar’, baz: 10 } ) Assertions

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QUnit.assert.propEqual( makeObject(), { foo: ‘bar’, baz: 10 } ) Assertions

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QUnit.assert.throws( function() { throwError() }, ‘Example Thrown Error’ ) Assertions

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Ember Test Helpers

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App.rootElement = ‘#qunit-fixture’ App.setupForTesting() App.injectTestHelpers(QUnit)

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QUnit.visit(‘/posts’)

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QUnit.find(‘.add’, ‘.list’)

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QUnit.fillIn( ‘.name’, ‘Kerrick’ )

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QUnit.click(‘.submit’)

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QUnit.keyEvent( ‘.wysiwyg’, ‘keypress’, 30 )

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QUnit.visit(‘/posts/new’) .fillIn(‘.name’, ‘Hello’) .click(‘.submit’) .then(function() { QUnit.assert.ok(true) })

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QUnit.visit(‘/posts/new’) QUnit.fillIn(‘.name’, ‘Hi’) QUnit.click(‘.submit’) QUnit.andThen(function() { QUnit.assert.ok(true) })

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QUnit.visit(‘/posts/new’) QUnit.fillIn(‘.name’, ‘Hi’) QUnit.click(‘.submit’) QUnit.andThen(function() { QUnit.assert.ok(true) })

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Integration
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Controller Unit Tests

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Component Unit Tests

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Mixin Unit Tests

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Component Unit Tests