package octez-libs
Test dependencies.
Test.register
and Regression.register
take an optional argument ?uses
that allows to declare that the test uses a given file.
For instance, you can define:
let data = Uses.make ~tag:"data" ~path:"data/file.dat"
You would then:
- declare your test with
~uses:[data]
; - use
Uses.path data
to get the path to your file.
~uses:[data]
adds the tag of data
to the test tags.
Uses.path data
checks that the current test was declared with data
in its ~uses
. And when you declare a test with ~uses:[data]
, the test checks, at the end, that Uses.path data
was called. This helps to maintain the invariant that a test that uses a given file has a given tag.
val make : tag:string -> path:string -> t
Make a test dependency.
Multiple paths can be associated with the same tag, and the same paths can be associated with different tags.
val path : t -> string
Get the path of a test dependency.
val tag : t -> string
Get the tag of a test dependency.
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