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I’m trying to test an Ecto query that joins a few tables, and that a lot of where conditions that have to satisfy before selecting rows. ...
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The new how to guide on testing resources has some helpful ideas on how to test that actions handle valid inputs.
What’s the recommended...
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Trending Over Three Years
Hi folks,
I'm trying to transform our tests for AuthToken (a wrapper around JOSE) to ExUnitProperties. But I'm kinda failing at the mos...
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Hello everybody!
I’ve discovered property-testing with stream_data a few months ago. Since then, I’ve successfully re-written the tests ...
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I was trying to use StreamData with test factory functions based off of what is in “What’s new in Ecto 2.1” book (or also close to what t...
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I’m trying to write property based tests for a Reverse Polish Notation calculator.
I’ve implemented the RPN such that it will return an ...
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I am having a hard time coming up with negative tests. I believe it can be done with filters, but I haven’t been able to come up good wor...
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I am trying to generate strings which pass a rule, e.g.
1 < length(string) < 10
So I am using,
StreamData.string( … ) |> Stre...
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I receive this error
== Compilation error in file path/campaign_test.exs ==
** (exit) exited in: GenServer.call(PropCheck.CounterStrike,...
New
I am generating a list of atoms which looks like this,
[:c, :u, :d]
|> StreamData.one_of()
|> StreamData.list_of()
…
A little mo...
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Greetings! I am relatively new to property-based testing. I am practicing writing property tests and hoping for a code review if any prac...
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There’s a nice map function for StreamData,
https://hexdocs.pm/stream_data/StreamData.html#map/2
but how do people do reduction? I.e. s...
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From the example in the documentation, I can’t figure out how it could work.
Please check the following. I get error
** (ArgumentError)...
New
Trying to write a property based test to prove ‘js_lib.patch(json_a, elixir_lib.diff(json_a, json_b)) == json_b’
a , b are maps and I n...
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Suppose I have a legacy rails or node-js or java project.
I will write a separate new project for tests. I will check all the tests pass...
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