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testingrobotframework
John Sigua
John Sigua

Reputation: 11

Robotframework - returned value of Evaluate keyword does not store all numeric values in variable

I'm trying to compute for a value using Evaluate keyword and it seems not storing the exact whole numeric numbers in the variable ${C1} but it seems to return the exact values I want as per log file.

Here's my sample code.

${C1}    Evaluate    1.025**${C_IP_Years_Between}

Here's the log:

${C1} = BuiltIn . Evaluate 1.025**${C_IP_Years_Between}
Documentation:  
Evaluates the given expression in Python and returns the results.

Start / End / Elapsed:  20180413 21:09:18.343 / 20180413 21:09:18.377 / 00:00:00.034
21:09:18.345    TRACE   Arguments: [ '1.025**11' ]  
21:09:18.376    TRACE   Return: 1.3120866578012655  
21:09:18.377    INFO    ${C1} = 1.3120866578

How can I be able to use the whole values being returned above (e.g. 1.3120866578012655)

Upvotes: 1

Views: 1319

Answers (1)

Bryan Oakley
Bryan Oakley

Reputation: 385970

The robot variable ${C1} is a float, so it retains all of the precision. The log statement is simply not showing all of the digits.

You can see all of the digits if you explicitly convert the value to a string. In the following example, the test should pass:

*** Variables ***
${C_IP_Years_Between}  11

*** Test Cases ***
Example
    ${C1}=   Evaluate  1.025**${C_IP_Years_Between}
    ${C1f}=  Evaluate  '{0:.16f}'.format($c1)
    Should be equal as strings  ${C1f}  1.3120866578012655

Upvotes: 1

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