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doc: add a few tips on converting from match-style assertions #164

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Jul 17, 2020
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doc: add a few tips on converting from match-style assertions #164

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16 changes: 16 additions & 0 deletions docs/scalatest.md
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Expand Up @@ -31,6 +31,22 @@ improve the error message in failed assertions:
+ assertEquals(a, b)
```

Or if you are using match-style assertions via `with Matchers`, change the
assertions like so:

```diff
- result shouldEqual Some(Name(first, last))
+ assertEquals(result, Some(Name(first, last)))
```

MUnit doesn't ship with a large set of assertions, so some fancier matchers will
have to be converted to a simple assertion:

```diff
- myList should have size 2
+ assertEquals(myList.length, 2)
```

If you are coming from `WordSpec` style tests, make sure to flatten them, or your tests
will not run. (Only the outer test will be selected to run, and the inner tests will do
nothing).
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