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Gets the existing tests working as is. Follow-up commits will refactor the tests.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| /** | ||
| Allows to perform a parameterized tests, in which each test case can have different inputs and | ||
| expecations but in which the test preparation & execution code are shared. | ||
| */ | ||
| public struct ParameterizedTest<TestParameter> { | ||
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| public typealias Expectation = (TestParameter) -> Void | ||
| public typealias TestCase = (TestParameter, expectation: Expectation) | ||
| public typealias TestClosure = (TestParameter, Expectation) -> Void | ||
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| public static func test(testCases: [TestCase], testClosure: TestClosure) { | ||
| testCases.forEach { testClosure($0.0, $0.expectation) } | ||
| } | ||
| } | ||
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| /// Run the same expectation code for any number of single parameter cases | ||
| /// | ||
| /// Note: For type inferencing to work on nil cases, you may have to do two things: | ||
| /// | ||
| /// (1) order the nil case first in the list of cases | ||
| /// | ||
| /// (2) explicitly type the nil, e.g. `Optional<String>()` | ||
| public func parameterize<A>(cases: A..., expectation: ((A) -> Void)) { | ||
| cases.forEach { expectation($0) } | ||
| } |