430 lines
11 KiB
JavaScript
430 lines
11 KiB
JavaScript
import { printError } from './cli.mjs'
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function Group(e, name) {
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this.e = e
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this.name = name
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this.hasExclusive = false
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this.parent = null
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this.groups = []
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this.tests = []
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this.customTimeout = null
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this.skipTest = false
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this.isExclusive = false
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this.before = null
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this.after = null
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}
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Group.prototype.timeout = function(time) {
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this.customTimeout = time
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}
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Group.prototype.skip = function() {
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this.skipTest = true
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}
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Group.prototype.__hasonly = function(markHas) {
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if (this.skipTest) return
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// Set hasExclusive with either mark or existing value
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// Some groups might have .only() but that doesn't mean
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// the children have .only() buut they should still be run
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this.hasExclusive = this.hasExclusive || markHas
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// Travel upwards to the root mark all the groups along the way
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let g = this.parent
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while (g) {
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// If the parent has skipped marked, we definitely don't wanna
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// mark that we have tests with exclusivity on.
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if (g.skipTest) return
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g.hasExclusive = true
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g = g.parent
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}
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this.e.hasExclusive = true
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}
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Group.prototype.only = function() {
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this.isExclusive = true
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this.__hasonly(false)
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}
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function Test(e, group, name, func) {
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this.e = e
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this.group = group
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this.skipTest = false
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this.isExclusive = false
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this.customTimeout = null
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this.isBasic = false
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this.name = name
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this.func = func
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this.error = null
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}
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Test.prototype.timeout = function(time) {
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this.customTimeout = time
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}
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Test.prototype.skip = function() {
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this.skipTest = true
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}
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Test.prototype.only = function() {
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this.isExclusive = true
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this.group.__hasonly(true)
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}
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function Eltro() {
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this.__timeout = 2000
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this.hasExclusive = false
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this.reporter = 'list'
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this.Eltro = Eltro
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this.fileGroupMap = new Map()
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this.groups = []
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this.activeGroup = null
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this.failedTests = []
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this.hasTests = false
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this.starting = false
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this.filename = ''
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this.prefix = ''
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this.temporary = {
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timeout: 0,
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skip: false,
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only: false
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}
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this.describeTemporary = {
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timeout: 0,
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skip: false,
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only: false
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}
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}
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Eltro.prototype.begin = function() {
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if (this.starting) {
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console.warn('WARNING: Multiple calls to Eltro.begin were done.')
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return
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}
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this.hasTests = false
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this.starting = true
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this.filename = ''
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this.prefix = ''
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this.fileGroupMap.clear()
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}
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Eltro.prototype.__runTest = async function(stats, test, prefix = 'Test') {
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if (this.reporter === 'list') {
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process.stdout.write(' \x1b[90m? ' + test.name + '\x1b[0m')
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}
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if (!test.skipTest) {
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await new Promise((resolve, reject) => {
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// Flag to check if we finished
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let finished = false
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let timeout = test.customTimeout || this.__timeout
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// Timeout timer in case test times out
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let timer = setTimeout(function() {
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if (finished === true) return
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reject(new Error('timeout of ' + timeout + 'ms exceeded. Ensure the done() callback is being called in this test.'))
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}, timeout)
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// start the test runner
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try {
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// Does it accept a callback
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let checkIsCallback = (test.func.toString()).match(/^(function)? *\([^\)]+\)/)
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let promise
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// If the test requires callback, wrap it in a promise where callback
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// either resolves or rejects that promise
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if (checkIsCallback) {
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promise = new Promise(function(res, rej) {
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test.func(function(err) {
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if (err) {
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return rej(err)
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}
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res()
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})
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})
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} else {
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// Function doesn't require a callback, run it directly
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promise = test.func()
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}
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// Check if the function we ran returned a promise
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if (promise && promise.then && typeof(promise.then === 'function')) {
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// If the promise from the function succeeded, resolve our promise.
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// Otherwise reject it
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promise.then(function() {
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// check if our test had already finished and if so, do nothing
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if (finished === true) return
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finished = true
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clearTimeout(timer)
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resolve()
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}, function(err) {
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// check if our test had already finished and if so, do nothing
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if (finished === true) return
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finished = true
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clearTimeout(timer)
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reject(err)
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})
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} else {
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// check if our test had already finished and if so, do nothing
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if (finished === true) return
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// Possible this was a synchronous test, pass immediately
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finished = true
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clearTimeout(timer)
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resolve()
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}
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} catch (err) {
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// check if our test had already finished and if so, do nothing
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if (finished === true) return
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// An error occured while running function. Possible exception
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// during a synchronous test or something else.
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finished = true
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clearTimeout(timer)
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reject(err)
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}
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})
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.then(function() {
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if (prefix === 'Test') {
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stats.passed++
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}
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}, function(err) {
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let saveError = err
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if (!saveError) {
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saveError = new Error(prefix + ' promise rejected with empty message')
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} else if (typeof(saveError) !== 'object' || saveError.message == null || saveError.stack == null) {
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try {
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saveError = new Error(prefix + ' promise rejected with ' + JSON.stringify(saveError))
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} catch (parseError) {
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saveError = new Error(prefix + ' promise rejected with ' + saveError + ' (Error stringifying: ' + parseError.message + ')')
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}
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saveError.originalError = err
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}
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test.error = saveError
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stats.failed++
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}
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)
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} else {
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stats.skipped++
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}
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if (test.error) {
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this.failedTests.push(test)
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}
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if (this.reporter === 'list') {
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process.stdout.clearLine();
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process.stdout.cursorTo(0);
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if (test.skipTest) {
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process.stdout.write(' \x1b[94m- ' + test.name + '\x1b[0m\n')
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} else if (!test.error) {
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process.stdout.write(' \x1b[32m√\x1b[90m ' + test.name + '\x1b[0m\n')
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} else if (prefix === 'Test') {
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process.stdout.write(' \x1b[31m' + this.failedTests.length + ') ' + test.name + '\x1b[0m\n')
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}
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} else if (this.reporter === 'dot') {
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if (test.skipTest) {
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process.stdout.write('\x1b[94m.\x1b[0m')
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} else if (!test.error) {
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process.stdout.write('\x1b[32m.\x1b[0m')
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} else if (prefix === 'Test') {
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process.stdout.write('\x1b[31m.\x1b[0m')
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}
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}
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}
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Eltro.prototype.__runGroup = async function(g, stats) {
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if (g.tests.length) {
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if (this.reporter === 'list') {
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console.log(' ' + g.name)
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}
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}
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if (g.before) {
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await this.__runTest(stats, g.before, 'Before')
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if (g.before.error) return
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}
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for (let x = 0; x < g.tests.length; x++) {
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if (!g.tests[x].skipTest && g.tests[x].isExclusive === g.hasExclusive) {
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await this.__runTest(stats, g.tests[x])
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}
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}
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for (let x = 0; x < g.groups.length; x++) {
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if (!g.groups[x].skipTest && g.hasExclusive === (g.groups[x].hasExclusive || g.groups[x].isExclusive))
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await this.__runGroup(g.groups[x], stats)
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}
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if (g.after) {
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await this.__runTest(stats, g.after, 'After')
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}
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}
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Eltro.prototype.run = async function() {
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if (this.reporter) {
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console.log('')
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console.log('')
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}
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let stats = {
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passed: 0,
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failed: 0,
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skipped: 0,
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}
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let start = process.hrtime()
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for (let i = 0; i < this.groups.length; i++) {
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if (!this.groups[i].skipTest && this.hasExclusive === (this.groups[i].hasExclusive || this.groups[i].isExclusive)) {
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await this.__runGroup(this.groups[i], stats)
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}
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}
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let end = process.hrtime(start)
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if (this.reporter) {
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console.log('')
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console.log('')
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if (stats.passed) {
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console.log(' \x1b[32m' + stats.passed + ' passing \x1b[90m(' + (end[0] * 1000 + Math.round(end[1] / 1000000)) + 'ms)\x1b[0m')
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}
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if (stats.failed) {
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console.log(' \x1b[31m' + stats.failed + ' failing\x1b[0m')
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}
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if (stats.skipped) {
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console.log(' \x1b[94m' + stats.skipped + ' pending\x1b[0m')
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}
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console.log('')
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if (this.failedTests.length) {
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for (let x = 0; x < this.failedTests.length; x++) {
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let test = this.failedTests[x];
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console.log(' ' + (x + 1) + ') ' + test.name + ':')
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printError(test.error)
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}
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}
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}
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return stats
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}
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Eltro.prototype.setFilename = function(filename) {
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if (!this.fileGroupMap.has(filename)) {
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let g = new Group(this, filename + ':')
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this.groups.push(g)
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this.fileGroupMap.set(filename, g)
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}
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this.activeGroup = this.fileGroupMap.get(filename)
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}
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Eltro.prototype.resetFilename = function() {
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this.activeGroup = null
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}
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Eltro.prototype.before = function(func) {
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if (!this.activeGroup) {
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throw new Error('Tests outside groups are not allowed.')
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}
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let test = new Test(this, this.activeGroup, 'Before: ' + this.activeGroup.name, func)
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if (this.temporary.timeout || this.activeGroup.customTimeout) {
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test.timeout(this.temporary.timeout || this.activeGroup.customTimeout)
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this.temporary.timeout = 0
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}
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this.activeGroup.before = test
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return test
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}
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Eltro.prototype.after = function(func) {
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if (!this.activeGroup) {
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throw new Error('Tests outside groups are not allowed.')
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}
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let test = new Test(this, this.activeGroup, 'After: ' + this.activeGroup.name, func)
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if (this.temporary.timeout || this.activeGroup.customTimeout) {
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test.timeout(this.temporary.timeout || this.activeGroup.customTimeout)
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this.temporary.timeout = 0
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}
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this.activeGroup.after = test
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return test
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}
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Eltro.prototype.describe = function(name, func) {
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let before = this.activeGroup
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let prefix = before ? before.name + ' ' : ''
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this.activeGroup = new Group(this, prefix + name)
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if (before) {
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before.groups.push(this.activeGroup)
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this.activeGroup.parent = before
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this.activeGroup.customTimeout = before.customTimeout
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} else {
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this.groups.push(this.activeGroup)
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}
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if (this.temporary.timeout) {
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this.activeGroup.timeout(this.temporary.timeout)
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this.temporary.timeout = 0
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}
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if (this.temporary.skip) {
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this.activeGroup.skip()
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this.temporary.skip = false
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}
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if (this.temporary.only) {
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this.activeGroup.only()
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this.temporary.only = false
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}
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func()
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this.activeGroup = before
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}
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Eltro.prototype.timeout = function(time) {
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this.temporary.timeout = time
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return this
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}
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Eltro.prototype.skip = function() {
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this.temporary.skip = true
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return this
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}
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Eltro.prototype.only = function() {
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this.temporary.only = true
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return this
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}
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Eltro.prototype.test = function(name, func) {
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if (!this.activeGroup) {
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throw new Error('Tests outside groups are not allowed.')
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}
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let test = new Test(this, this.activeGroup, this.activeGroup.name + ' ' + name, func)
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this.activeGroup.tests.push(test)
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if (this.temporary.only && !this.temporary.skip) {
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test.only()
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this.temporary.only = false
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} else if (this.temporary.only) {
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this.temporary.only = false
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}
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if (this.temporary.skip) {
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test.skip()
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this.temporary.skip = false
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}
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if (this.temporary.timeout || this.activeGroup.customTimeout) {
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test.timeout(this.temporary.timeout || this.activeGroup.customTimeout)
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this.temporary.timeout = 0
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}
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return test
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}
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export default new Eltro()
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