Hey
The `assert` macro handles MatchError as well as true/false.
> Ideally, in the assertion results, it would highlight the failing
key/values as well.
This would be a nice addition to ExUnit. I would rather see this than any
addition to =~
Cheers,
Louis
On Wed, 18 Oct 2017 at 13:43 <jere...@companykitchen.com> wrote:
> Yes, but that throws a MatchError exception if not satisfied, not a
> true/false. Ideally, in the assertion results, it would highlight the
> failing key/values as well. Primarily for testing, but also a quick way to
> test for the presence of multiple key/values in larger maps.
>
>
> On Wednesday, October 18, 2017 at 12:14:00 AM UTC-5, Andrew Timberlake
> wrote:
>
>> You can do that with pattern matching,
>>
>> assert %{field1: "foo", field2: "bar"} = data
>>
>
>> On 18 Oct 2017, 05:01 +0200, jer...@companykitchen.com, wrote:
>>
> I think it would be useful if =~ supported maps. =~ would return true if
>> the key/values in the right hand map were also contained in the left-hand
>> map. I think this would be especially useful for testing, as you could
>> check that the result matched a subset of the map, rather than the whole
>> map.
>>
>> e.g.
>> data = Repo.insert!(src)
>> # data = %Data{id: 25, field1: "foo", field2: "bar", inserted_at:
>> ~N[2017-01-01], updated_at: ~N[2017-01-01]}
>> assert data =~ %{field1: "foo", field2: "bar"} # true
>>
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