zeus
32 lines
1.0 KiB
Swift
32 lines
1.0 KiB
Swift
#if canImport(Combine)
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import XCTest
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@available(iOS 13, macOS 10.15, tvOS 13, watchOS 6, *)
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extension PublisherExpectations {
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/// A publisher expectation that transforms the value of a base expectation.
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///
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/// This expectation has no public initializer.
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public struct Map<Base: PublisherExpectation, Output>: PublisherExpectation {
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let base: Base
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let transform: (Base.Output) throws -> Output
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public func _setup(_ expectation: XCTestExpectation) {
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base._setup(expectation)
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}
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public func get() throws -> Output {
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try transform(base.get())
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}
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}
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}
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@available(iOS 13, macOS 10.15, tvOS 13, watchOS 6, *)
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extension PublisherExpectation {
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/// Returns a publisher expectation that transforms the value of the
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/// base expectation.
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func map<T>(_ transform: @escaping (Output) throws -> T) -> PublisherExpectations.Map<Self, T> {
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PublisherExpectations.Map(base: self, transform: transform)
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}
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}
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#endif
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