2.3.4 • Published 8 years ago
pumlhorse v2.3.4
Pumlhorse
- PUML (Promise-driven Utility Modeling Language)
- Horse (Equus caballus)
Pumlhorse is a utility for creating readable and reusable scripts.
For a complete reference, visit pumlhorse.com
- Writing scripts
Specification
name: Introduction to Pumlhorse
description: This is a basic script that writes some messages
steps:
- log: Hello!
- log: Goodbye!
Parameters
name: Use parameters
description: Pass some parameters to those steps
steps:
- sayGreeting:
text: Hello, and welcome to Pumlhorse!
- sayGoodbye:
language: French
text: Au revoir!
Variables
name: Pass variables
description: Set and use variables from your steps
steps:
- myName = John Smith
- sayGreeting:
text: Hello, my name is $myName
name: Assign step results to variables
steps:
#getMyName is a function that returns a string
- myName = getMyName
- sayGreeting:
text: Hello, my name is $myName
name: Use complex objects in variables
steps:
#getMyInfo is a function that returns { name: 'John Smith' }
- myInfo = getMyInfo
- sayGreeting:
text: Hello, my name is $myInfo.name
name: Create complex objects as variables
steps:
- myInfo = value:
name: John Smith
age: 34
- sayGreeting:
text: Hello, my name is $myInfo.name
Inline Javascript
name: Use JavaScript inline
steps:
- myMixedCase = aBcDeFg
- myLowerCase = $myMixedCase.toLowerCase()
#myLowerCase is now 'abcdefg'
name: Declare JavaScript functions inline
functions:
getMyInfo: return { name: 'John Smith', age: 25 }
logMyInfo:
# list parameters first
- age
- name
# list function body last
- this.log('My name is ' + name + ' and I am ' + age + ' years old')
steps:
- myInfo = getMyInfo
- logMyInfo:
name: $myInfo.name
age: $myInfo.age
# logs "My name is John Smith and I am 25 years old"
Conditionals
name: Simple if/then example
functions:
getTodaysDate:
- return new Date().getDay()
steps:
- dayOfWeek = $getTodaysDate()
- if:
value: ${ dayOfWeek == 5 }
is true:
- log: Congratulations, today is Friday!
is false:
- if:
value: ${ dayOfWeek == 6 || dayOfWeek == 0}
is true:
- log: Congratulations, it's the weekend!
is false:
- log: Hang in there, you'll make it to the weekend!
Loops
name: Run some things a few times
steps:
- loopTimes = 14
- repeat:
times: $loopTimes
steps:
- log: Starting loop
# do loop steps
- log: Ending loop
name: Loop through items in a list
functions:
getLoopItems: return ["a", "b", "c"]
steps:
- items = getLoopItems
- for:
each: item
in: $items
steps:
- log: Working with the letter $item
- doLoopTasks: $item
name: Run a loop with varying data
functions:
doLogin:
- username
- password
- this.log('Login with ' + username + ':' + password)
steps:
- scenarios:
base: # (optional) provides a base set of values for every scenario
username: jsmith
cases:
bad password:
password: abadpassword
good password:
password: aBeTTerPassw0rd!
steps:
- doLogin:
username: $username
password: $password
#Performs doLogin for "bad password" and "good password" scenarios
Logging
name: Basic logging functions
steps:
- log: Here's a simple log message
- warn: Something might be wrong
- error: Something is definitely wrong!
name: Pass parameters to logging calls
steps:
- myFavoriteNumber = 42
- warn: Every tech thing has to have a $myFavoriteNumber reference
Assertions
name: Use assertions
steps:
# all of these assertions succeed
- isTrue: ${5 == 7 - 2}
- isFalse: ${Math.PI == 3}
- isNull: $fhqwhgads # Variable doesn't exist
- isNotNull: 42
- areEqual:
expected: men
actual: ${"women".substr(2)}
- areEqual:
expected:
game: horseshoe
actual:
game: horseshoe
another: handgrenades
partial: true # Only properties in expected value will be checked in actual value
- areNotEqual:
expected: free as in beer
actual: free as in speech
- isEmpty: ${[]}
- isNotEmpty: ${[3, 4, 5]}
- contains:
array:
- 4
- 5
- 6
value: 6
- contains:
array:
- game: horseshoe
another: handgrenades
value:
game: horseshoe
partial: true
HTTP Methods
name: Use HTTP methods
steps:
- findUserResult = http.get:
url: http://www.tempuri.org/api/findUser
data:
search: jsmith
page: 2
# Issues GET request to http://www.tempuri.org/api/findUser?search=jsmith&page=2
- log: $findUserResult.json.username
# Logs 'username' property of the JSON response body (requires the content-type to be application/json or text/json)
- postResult = http.post:
url: http://www.tempuri.org/api/createUser
data:
firstName: John
lastName: Smith
headers:
Authorization: bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyaWQiOjQyLCJ1c2VybmFtZSI6ImVhc3Rlci5lZ2cifQ.U4nejjGFvXSERKtVWrgXXytXqe9oqdg8ws1AyLCp 4o0
# Issues POST request to http://www.tempuri.org/api/createUser with a JSON request of { "firstName": "John", "lastName": "Smith" }
- http.isOk: $postResult
# Asserts that the response was a 200
- log: $postResult.body #body contains the string content in the response
# put, delete, patch, head, and options are also available
Timers
name: Wait for an amount of time
steps:
- wait:
milliseconds: 23
seconds: 45
- log: Well that was kinda long
# Waits for 45.023 seconds
- wait:
minutes: 60
hours: 3
# Waits for four hours...use at your own discretion
- log: Is anyone even here anymore?
name: See how long we waited
functions:
doLongRunningProcess:
- return this.wait(2000)
steps:
- timer1 = startTimer
- doLongRunningProcess
- stopTimer: $timer1
- log: That took $timer1.seconds seconds
Parallel tasks
name: Run multiple steps in parallel
steps:
- parallel:
- postUpdateToFacebook: This is my new status!
- postUpdateToTwitter: This is my new tweet!
- postUpdateToInstagram: This is a picture of my cat!
functions:
postUpdateToFacebook:
- status
- return this.wait(Math.random() * 1000).then(() => this.log('Updated status to ' + status))
postUpdateToTwitter:
- tweet
- return this.wait(Math.random() * 1000).then(() => this.log('Added new tweet:' + tweet))
postUpdateToInstagram:
- caption
- return this.wait(Math.random() * 1000).then(() => this.log('Added new picture with caption:' + caption))
Helpers
Some miscellaneous helpers
JSON serialization
name: Convert from string to object
functions:
getObject: return { prop: 43 }
steps:
- obj = getObject
- jsonString = toJson: $obj
- log: $jsonString #logs "{prop:43}"
- newObj = fromJson: $jsonString
- log: $newObj.prop #logs "43"
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