FitNesseRoot.RestFixtureFitTests.LetTestsV2.content.txt Maven / Gradle / Ivy

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!3 LET

LET can use now the full power of !-JavaScript-! to extract data from the last response parts. The additions
to support the new !-JavaScript-! extensions will not break the existing .RestFixture API.

The !-JavaScript-! extensions can be used to process more effectively JSON ''Content-Type''s.

''LET can access the Fitnesse Symbols map to extract data previously stored''

If the context of the let context is ''js'' the expression is evaluated as a javascript string. The value assigned
to the let label is the result of the evaluation of the content in the expression cell.

For example:

| Fit Rest Fixture |http://${jettyHost}:${jettyPort}|
|let    | message | js | 'Hello, World!' |  Hello, World! |
|let    | sum | js | '2 + 5 = ' + (2 + 5) |  2 + 5 = 7 |
|let    | two_expressions | js | !-a=1;
'a is ' + a-! |  a is 1 |
|let    | json_expr | js | !-
json = {
    "widget": {
        "debug": "on",
        "window": {
            "title": "Sample Konfabulator Widget",
            "name": "main_window",
            "width": 500,
            "height": 500
        },
        "image": { 
            "src": "Images/Sun.png",
            "name": "sun1",
            "hOffset": 250,
            "vOffset": 250,
            "alignment": "center"
        },
        "text": {
            "data": "Click Here",
            "size": 36,
            "style": "bold",
            "name": "text1",
            "hOffset": 250,
            "vOffset": 100,
            "alignment": "center",
            "onMouseUp": "sun1.opacity = (sun1.opacity / 100) * 90;"
        }
    }
};
json.widget.image.src
-!| Images/Sun.png |

(Example courtesy of http://json.org/example.html)

It's also possible to access the !-FitNesse-! symbols map. The scope where expression is evaluated contains the 
'symbols' object 

| Fit Rest Fixture |http://${jettyHost}:${jettyPort}|
|setBody|BillSome data on Bill|
|POST   | /resources/ | 201 | | no-body |
|let    | id | header | Location:/resources/(.+) | |
|let    | id_string | js | 'The id is: ' + symbols.get('id') |  The id is: %id% |

The scope also contains the 'response' object, populated with the data from the last Rest response executed

For example

| Fit Rest Fixture |http://${jettyHost}:${jettyPort}|
|GET    | /resources/1 | 200 | | |
|let    | body_value | js | response.body |  |
|setBody|BillSome data on Bill|
|POST   | /resources/ | 201 | | no-body |
|let    | status_code_value | js | response.statusCode |  |
|let    | status_text_value | js | response.statusText |  |
|let    | c_len | js | response.header0('Content-Length') | 0 |
|let    | loc_again | js | response.header('Location', 0) |  |
|let    | h_size | js | response.headerListSize('Location') | 1 |
|let    | all_h_size | js | response.headersSize() |  |

A particoular case is when the response is JSON (Content-Type : application/json). In such case, the property '''jsonbody'''
contains the JSON object that can be accessed using the dot notation. For example

| Fit Rest Fixture |http://${jettyHost}:${jettyPort}|
|GET    | /resources/1.json | 200 | | |
|let    | body_value | js | response.jsonbody |  |
|let    | body_value | js | response.jsonbody.resource.name | a funky name |