Files
elasticsearch-js/test/integration/test-runner.js
2018-11-05 19:22:36 +01:00

707 lines
18 KiB
JavaScript

'use strict'
const t = require('tap')
const semver = require('semver')
const workq = require('workq')
const { ConfigurationError } = require('../../lib/errors')
const supportedFeatures = [
'gtelte',
'regex',
'benchmark',
'stash_in_path',
'groovy_scripting',
'headers'
]
function TestRunner (opts) {
if (!(this instanceof TestRunner)) {
return new TestRunner(opts)
}
opts = opts || {}
this.client = opts.client
this.esVersion = opts.version
this.response = null
this.stash = new Map()
this.tap = opts.tap || t
this.q = opts.q || workq()
}
/**
* Runs a cleanup, removes all indices and templates
* @param {queue}
* @param {function} done
*/
TestRunner.prototype.cleanup = function (q, done) {
this.tap.comment('Cleanup')
this.response = null
this.stash = new Map()
q.add((q, done) => {
this.client.indices.delete({ index: '*', ignore: 404 }, err => {
this.tap.error(err, 'should not error: indices.delete')
done()
})
})
q.add((q, done) => {
this.client.indices.deleteTemplate({ name: '*', ignore: 404 }, err => {
this.tap.error(err, 'should not error: indices.deleteTemplate')
done()
})
})
done()
}
/**
* Runs the given test.
* It runs the test components in the following order:
* - setup
* - the actual test
* - teardown
* - cleanup
* Internally uses a queue to guarantee the order of the test sections.
* @param {object} setup (null if not needed)
* @param {object} test
* @oaram {object} teardown (null if not needed)
* @param {function} end
*/
TestRunner.prototype.run = function (setup, test, teardown, end) {
// if we should skip a feature in the setup/teardown section
// we should skip the entire test file
const skip = getSkip(setup) || getSkip(teardown)
if (skip && this.shouldSkip(skip)) {
this.skip(skip)
return end()
}
if (setup) {
this.q.add((q, done) => {
this.exec('Setup', setup, q, done)
})
}
this.q.add((q, done) => {
this.exec('Test', test, q, done)
})
if (teardown) {
this.q.add((q, done) => {
this.exec('Teardown', teardown, q, done)
})
}
this.q.add((q, done) => {
this.cleanup(q, done)
})
this.q.add((q, done) => end() && done())
}
/**
* Logs a skip
* @param {object} the actions
* @returns {TestRunner}
*/
TestRunner.prototype.skip = function (action) {
if (action.reason && action.version) {
this.tap.skip(`Skip: ${action.reason} (${action.version})`)
} else if (action.features) {
this.tap.skip(`Skip: ${JSON.stringify(action.features)})`)
} else {
this.tap.skip('Skipped')
}
return this
}
/**
* Decides if a test should be skipped
* @param {object} the actions
* @returns {boolean}
*/
TestRunner.prototype.shouldSkip = function (action) {
var shouldSkip = false
// skip based on the version
if (action.version) {
if (action.version.trim() === 'all') return true
const [min, max] = action.version.split('-').map(v => v.trim())
// if both `min` and `max` are specified
if (min && max) {
shouldSkip = semver.satisfies(this.esVersion, action.version)
// if only `min` is specified
} else if (min) {
shouldSkip = semver.gte(this.esVersion, min)
// if only `max` is specified
} else if (max) {
shouldSkip = semver.lte(this.esVersion, max)
// something went wrong!
} else {
throw new Error(`skip: Bad version range: ${action.version}`)
}
}
if (shouldSkip) return true
if (action.features) {
if (!Array.isArray(action.features)) action.features = [action.features]
// returns true if one of the features is not present in the supportedFeatures
shouldSkip = !!action.features.filter(f => !~supportedFeatures.indexOf(f)).length
}
if (shouldSkip) return true
return false
}
/**
* Updates the array syntax of keys and values
* eg: 'hits.hits.1.stuff' to 'hits.hits[1].stuff'
* @param {object} the action to update
* @returns {obj} the updated action
*/
TestRunner.prototype.updateArraySyntax = function (obj) {
const newObj = {}
for (const key in obj) {
const newKey = key.replace(/\.\d{1,}\./g, v => `[${v.slice(1, -1)}].`)
const val = obj[key]
if (typeof val === 'string') {
newObj[newKey] = val.replace(/\.\d{1,}\./g, v => `[${v.slice(1, -1)}].`)
} else if (val !== null && typeof val === 'object') {
newObj[newKey] = this.updateArraySyntax(val)
} else {
newObj[newKey] = val
}
}
return newObj
}
/**
* Fill the stashed values of a command
* let's say the we have stashed the `master` value,
* is_true: nodes.$master.transport.profiles
* becomes
* is_true: nodes.new_value.transport.profiles
* @param {object|string} the action to update
* @returns {object|string} the updated action
*/
TestRunner.prototype.fillStashedValues = function (obj) {
if (typeof obj === 'string') {
return getStashedValues.call(this, obj)
}
// iterate every key of the object
for (const key in obj) {
const val = obj[key]
// if the key value is a string, and the string includes '$'
// we run the "update value" code
if (typeof val === 'string' && val.includes('$')) {
// update the key value
obj[key] = getStashedValues.call(this, val)
}
// go deep in the object
if (val !== null && typeof val === 'object') {
this.fillStashedValues(val)
}
}
return obj
function getStashedValues (str) {
return str
// we split the string on the dots
// handle the key with a dot inside that is not a part of the path
.split(/(?<!\\)\./g)
// we update every field that start with '$'
.map(part => {
if (part[0] === '$') {
const stashed = this.stash.get(part.slice(1))
if (stashed == null) {
throw new Error(`Cannot find stashed value '${part}' for '${JSON.stringify(obj)}'`)
}
return stashed
}
return part
})
// recreate the string value
.join('.')
}
}
/**
* Stashes a value
* @param {string} the key to search in the previous response
* @param {string} the name to identify the stashed value
* @returns {TestRunner}
*/
TestRunner.prototype.set = function (key, name) {
this.stash.set(name, delve(this.response, key))
return this
}
/**
* Runs a client command
* @param {object} the action to perform
* @param {Queue}
*/
TestRunner.prototype.do = function (action, done) {
const cmd = this.parseDo(action)
const api = delve(this.client, cmd.method).bind(this.client)
api(cmd.params, (err, { body, warnings }) => {
if (action.warnings && warnings === null) {
this.tap.fail('We should get a warning header', action.warnings)
} else if (!action.warnings && warnings !== null) {
// if there is only the 'default shard will change'
// warning we skip the check, because the yaml
// spec may not be updated
let hasDefaultShardsWarning = false
warnings.forEach(h => {
if (/default\snumber\sof\sshards/g.test(h)) {
hasDefaultShardsWarning = true
}
})
if (hasDefaultShardsWarning === true && warnings.length > 1) {
this.tap.fail('We are not expecting warnings', warnings)
}
} else if (action.warnings && warnings !== null) {
// if the yaml warnings do not contain the
// 'default shard will change' warning
// we do not check it presence in the warnings array
// because the yaml spec may not be updated
let hasDefaultShardsWarning = false
action.warnings.forEach(h => {
if (/default\snumber\sof\sshards/g.test(h)) {
hasDefaultShardsWarning = true
}
})
if (hasDefaultShardsWarning === false) {
warnings = warnings.filter(h => !h.test(/default\snumber\sof\sshards/g))
}
this.tap.deepEqual(warnings, action.warnings)
}
if (action.catch) {
this.tap.true(
parseDoError(err, action.catch),
`the error should be: ${action.catch}`
)
try {
this.response = JSON.parse(err.body)
} catch (e) {
this.response = err.body
}
} else {
this.tap.error(err, `should not error: ${cmd.method}`, action)
this.response = body
}
done()
})
}
/**
* Runs an actual test
* @param {string} the name of the test
* @param {object} the actions to perform
* @param {Queue}
*/
TestRunner.prototype.exec = function (name, actions, q, done) {
this.tap.comment(name)
for (var i = 0; i < actions.length; i++) {
const action = actions[i]
if (action.skip) {
if (this.shouldSkip(action.skip)) {
this.skip(this.fillStashedValues(action.skip))
break
}
}
if (action.do) {
q.add((q, done) => {
this.do(this.fillStashedValues(action.do), done)
})
}
if (action.set) {
q.add((q, done) => {
const key = Object.keys(action.set)[0]
this.set(key, action.set[key])
done()
})
}
if (action.match) {
q.add((q, done) => {
const key = Object.keys(action.match)[0]
this.match(
// in some cases, the yaml refers to the body with an empty string
key === '$body' || key === ''
? this.response
: delve(this.response, this.fillStashedValues(key)),
key === '$body'
? action.match[key]
: this.fillStashedValues(action.match)[key]
)
done()
})
}
if (action.lt) {
q.add((q, done) => {
const key = Object.keys(action.lt)[0]
this.lt(
delve(this.response, this.fillStashedValues(key)),
this.fillStashedValues(action.lt)[key]
)
done()
})
}
if (action.gt) {
q.add((q, done) => {
const key = Object.keys(action.gt)[0]
this.gt(
delve(this.response, this.fillStashedValues(key)),
this.fillStashedValues(action.gt)[key]
)
done()
})
}
if (action.lte) {
q.add((q, done) => {
const key = Object.keys(action.lte)[0]
this.lte(
delve(this.response, this.fillStashedValues(key)),
this.fillStashedValues(action.lte)[key]
)
done()
})
}
if (action.gte) {
q.add((q, done) => {
const key = Object.keys(action.gte)[0]
this.gte(
delve(this.response, this.fillStashedValues(key)),
this.fillStashedValues(action.gte)[key]
)
done()
})
}
if (action.length) {
q.add((q, done) => {
const key = Object.keys(action.length)[0]
this.length(
delve(this.response, this.fillStashedValues(key)),
this.fillStashedValues(action.length)[key]
)
done()
})
}
if (action.is_true) {
q.add((q, done) => {
const isTrue = this.fillStashedValues(action.is_true)
this.is_true(
delve(this.response, isTrue),
isTrue
)
done()
})
}
if (action.is_false) {
q.add((q, done) => {
const isFalse = this.fillStashedValues(action.is_false)
this.is_false(
delve(this.response, isFalse),
isFalse
)
done()
})
}
}
done()
}
/**
* Asserts that the given value is truthy
* @param {any} the value to check
* @param {string} an optional message
*/
TestRunner.prototype.is_true = function (val, msg) {
this.tap.true(val, `expect truthy value: ${msg} - value: ${JSON.stringify(val)}`)
return this
}
/**
* Asserts that the given value is falsey
* @param {any} the value to check
* @param {string} an optional message
*/
TestRunner.prototype.is_false = function (val, msg) {
this.tap.false(val, `expect falsey value: ${msg} - value: ${JSON.stringify(val)}`)
return this
}
/**
* Asserts that two values are the same
* @param {any} the first value
* @param {any} the second value
* @returns {TestRunner}
*/
TestRunner.prototype.match = function (val1, val2) {
// both values are objects
if (typeof val1 === 'object' && typeof val2 === 'object') {
this.tap.strictDeepEqual(val1, val2)
// the first value is the body as string and the second a pattern string
} else if (
typeof val1 === 'string' && typeof val2 === 'string' &&
val2.startsWith('/') && (val2.endsWith('/\n') || val2.endsWith('/'))
) {
const regStr = val2
// match all comments within a "regexp" match arg
.replace(/([\S\s]?)#[^\n]*\n/g, (match, prevChar) => {
return prevChar === '\\' ? match : `${prevChar}\n`
})
// remove all whitespace from the expression, all meaningful
// whitespace is represented with \s
.replace(/\s/g, '')
.slice(1, -1)
// 'm' adds the support for multiline regex
this.tap.match(val1, new RegExp(regStr, 'm'), `should match pattern provided: ${val2}`)
// everything else
} else {
this.tap.strictEqual(val1, val2, `should be equal: ${val1} - ${val2}`)
}
return this
}
/**
* Asserts that the first value is less than the second
* It also verifies that the two values are numbers
* @param {any} the first value
* @param {any} the second value
* @returns {TestRunner}
*/
TestRunner.prototype.lt = function (val1, val2) {
;[val1, val2] = getNumbers(val1, val2)
this.tap.true(val1 < val2)
return this
}
/**
* Asserts that the first value is greater than the second
* It also verifies that the two values are numbers
* @param {any} the first value
* @param {any} the second value
* @returns {TestRunner}
*/
TestRunner.prototype.gt = function (val1, val2) {
;[val1, val2] = getNumbers(val1, val2)
this.tap.true(val1 > val2)
return this
}
/**
* Asserts that the first value is less than or equal the second
* It also verifies that the two values are numbers
* @param {any} the first value
* @param {any} the second value
* @returns {TestRunner}
*/
TestRunner.prototype.lte = function (val1, val2) {
;[val1, val2] = getNumbers(val1, val2)
this.tap.true(val1 <= val2)
return this
}
/**
* Asserts that the first value is greater than or equal the second
* It also verifies that the two values are numbers
* @param {any} the first value
* @param {any} the second value
* @returns {TestRunner}
*/
TestRunner.prototype.gte = function (val1, val2) {
;[val1, val2] = getNumbers(val1, val2)
this.tap.true(val1 >= val2)
return this
}
/**
* Asserts that the given value has the specified length
* @param {string|object|array} the object to check
* @param {number} the expected length
* @returns {TestRunner}
*/
TestRunner.prototype.length = function (val, len) {
if (typeof val === 'string' || Array.isArray(val)) {
this.tap.strictEqual(val.length, len)
} else if (typeof val === 'object' && val !== null) {
this.tap.strictEqual(Object.keys(val).length, len)
} else {
this.tap.fail(`length: the given value is invalid: ${val}`)
}
return this
}
/**
* Gets a `do` action object and returns a structured object,
* where the action is the key and the parameter is the value.
* Eg:
* {
* 'indices.create': {
* 'index': 'test'
* },
* 'warnings': [
* '[index] is deprecated'
* ]
* }
* becomes
* {
* method: 'indices.create',
* params: {
* index: 'test'
* },
* warnings: [
* '[index] is deprecated'
* ]
* }
* @param {object}
* @returns {object}
*/
TestRunner.prototype.parseDo = function (action) {
return Object.keys(action).reduce((acc, val) => {
switch (val) {
case 'catch':
acc.catch = action.catch
break
case 'warnings':
acc.warnings = action.warnings
break
case 'node_selector':
acc.node_selector = action.node_selector
break
default:
// converts underscore to camelCase
// eg: put_mapping => putMapping
acc.method = val.replace(/_([a-z])/g, g => g[1].toUpperCase())
acc.params = camelify(action[val])
}
return acc
}, {})
function camelify (obj) {
const newObj = {}
// TODO: add camelCase support for this fields
const doNotCamelify = ['copy_settings']
for (const key in obj) {
const val = obj[key]
var newKey = key
if (!~doNotCamelify.indexOf(key)) {
// if the key starts with `_` we should not camelify the first occurence
// eg: _source_include => _sourceInclude
newKey = key[0] === '_'
? '_' + key.slice(1).replace(/_([a-z])/g, k => k[1].toUpperCase())
: key.replace(/_([a-z])/g, k => k[1].toUpperCase())
}
if (
val !== null &&
typeof val === 'object' &&
!Array.isArray(val) &&
key !== 'body'
) {
newObj[newKey] = camelify(val)
} else {
newObj[newKey] = val
}
}
return newObj
}
}
function parseDoError (err, spec) {
const httpErrors = {
bad_request: 400,
unauthorized: 401,
forbidden: 403,
missing: 404,
request_timeout: 408,
conflict: 409,
unavailable: 503
}
if (httpErrors[spec]) {
return err.statusCode === httpErrors[spec]
}
if (spec === 'request') {
return err.statusCode >= 400 && err.statusCode < 600
}
if (spec.startsWith('/') && spec.endsWith('/')) {
return new RegExp(spec.slice(1, -1), 'g').test(JSON.stringify(err.body))
}
if (spec === 'param') {
return err instanceof ConfigurationError
}
return false
}
function getSkip (arr) {
if (!Array.isArray(arr)) return null
for (var i = 0; i < arr.length; i++) {
if (arr[i].skip) return arr[i].skip
}
return null
}
// code from https://github.com/developit/dlv
// needed to support an edge case: `a\.b`
// where `a.b` is a single field: { 'a.b': true }
function delve (obj, key, def, p) {
p = 0
// handle the key with a dot inside that is not a part of the path
// and removes the backslashes from the key
key = key.split
? key.split(/(?<!\\)\./g).map(k => k.replace(/\\/g, ''))
: key.replace(/\\/g, '')
while (obj && p < key.length) obj = obj[key[p++]]
return (obj === undefined || p < key.length) ? def : obj
}
// Gets two *maybe* numbers and returns two valida numbers
// it throws if one or both are not a valid number
// the returned value is an array with the new values
function getNumbers (val1, val2) {
const val1Numeric = Number(val1)
if (isNaN(val1Numeric)) {
throw new TypeError(`val1 is not a valid number: ${val1}`)
}
const val2Numeric = Number(val2)
if (isNaN(val2Numeric)) {
throw new TypeError(`val2 is not a valid number: ${val2}`)
}
return [val1Numeric, val2Numeric]
}
module.exports = TestRunner