Commits on May 20, 2023

1. Add sequentialTestGroup …

   Tasty 1.2 introduced a way for tests to specify dependencies. That is,
   what tests should run before themselves. These dependencies are
   specified using an AWK-like expression annotated to a `TestTree`. These
   expressions can match against any test in the full `TestTree`. This
   approach has a few rough edges:
   
     * Any pattern has to be tested against any test in the tree. If your
       test tree mostly consists of tests specifying dependencies for each
       other, this means calculating your test tree is of quadratic
       complexity.
   
     * It's easy to introduce dependency cycles, or other mistakes
       introducing needless sequentiality. The latter being especially
       insidious as it easily goes unnoticed.
   
   This commit introduces the ability to specify dependencies by using a
   combinator taking a list of `TestTree`s. This way of specifying dependencies
   removes the quadratic complexity in favor of a linear one, while
   eliminating the ability to accidentally introduce cycles or unintended
   sequentiality.

   

   martijnbastiaan committed May 20, 2023
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