mirror of https://github.com/vuejs/vue.git
85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
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var ExpParser = require('seed/src/exp-parser')
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describe('UNIT: Expression Parser', function () {
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var testCases = [
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{
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// string concat
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exp: 'a + b',
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vm: {
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a: 'hello',
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b: 'world'
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},
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expectedValue: 'helloworld'
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},
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{
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// math
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exp: 'a - b * 2 + 45',
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vm: {
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a: 100,
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b: 23
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},
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expectedValue: 100 - 23 * 2 + 45
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},
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{
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// boolean logic
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exp: '(a && b) ? c : d || e',
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vm: {
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a: true,
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b: false,
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c: null,
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d: false,
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e: 'worked'
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},
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expectedValue: 'worked'
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},
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{
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// inline string
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exp: "a + 'hello'",
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vm: {
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a: 'inline '
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},
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expectedValue: 'inline hello'
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},
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{
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// complex with nested values
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exp: "todo.title + ' : ' + (todo.done ? 'yep' : 'nope')",
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vm: {
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todo: {
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title: 'write tests',
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done: false
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}
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},
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expectedValue: 'write tests : nope'
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}
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]
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testCases.forEach(describeCase)
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function describeCase (testCase) {
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describe(testCase.exp, function () {
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var result = ExpParser.parse(testCase.exp),
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vm = testCase.vm,
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vars = Object.keys(vm)
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// mock the $get().
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// the real $get() will be tested in integration tests.
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vm.$get = function (key) { return this[key] }
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it('should get correct args', function () {
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assert.strictEqual(result.vars.length, vars.length)
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for (var i = 0; i < vars.length; i++) {
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assert.strictEqual(vars[i], result.vars[i])
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}
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})
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it('should generate correct getter function', function () {
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var value = result.getter.call(vm)
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assert.strictEqual(value, testCase.expectedValue)
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})
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})
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}
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})
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