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Publisher Extension Reference
Publisher
@available(OSX 10.15, iOS 13.0, tvOS 13.0, watchOS 6.0, *)
public extension Publisher-
Assert that a publisher fails with a specified Error type
Declaration
Swift
func assertError<E: Error>( type: E.Type, message: String? = nil, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellableParameters
typeThe expected error type
messageThe optional message on failure
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert than a publisher fails with the expected error
Declaration
Swift
func assertError<E: Error & Equatable>( equals error: E, message: String? = nil, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellableParameters
errorThe expected error
messageThe optional message on failure
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that a publisher fails
Declaration
Swift
func assertFailure( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellableParameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that published value(s) are equal to an expected value
Declaration
Swift
func assert<T: Equatable>( equals value: T, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == TParameters
valueThe expected value
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that published values are greater than the specified value
Declaration
Swift
func assert<T: Comparable>( greaterThan value: T, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == TParameters
valueThe value that published output should be greater than
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that published values are greater than or equal to the specified value
Declaration
Swift
func assert<T: Comparable>( greaterThanOrEqualTo value: T, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == TParameters
valueThe value that published output should be greater than or equal to
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that published values are less than the specified value
Declaration
Swift
func assert<T: Comparable>( lessThan value: T, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == TParameters
valueThe value that published output should be less than
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that published values are less than or equal to the specified value
Declaration
Swift
func assert<T: Comparable>( lessThanOrEqualTo value: T, expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == TParameters
valueThe value that published output should be less than or equal to
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert published values are nil
Declaration
Swift
func assertNil<T>( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == Optional<T>Parameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert published values are not nil
Declaration
Swift
func assertNotNil<T>( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line ) -> AnyCancellable where Output == Optional<T>Parameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
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Assert that an published values meet a given predicate
Declaration
Swift
func assert( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line, _ predicate: @escaping (Output) -> Bool ) -> AnyCancellableParameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
predicateThe predicate evaluated for each published value
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Assert that an expression is true
Declaration
Swift
func assertTrue( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line, _ predicate: @escaping (Output) -> Bool ) -> AnyCancellableParameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
predicateThe predicate evaluated for each published value
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Assert that an expression is false
Declaration
Swift
func assertFalse( expectation: XCTestExpectation? = nil, file: StaticString = #file, line: UInt = #line, _ predicate: @escaping (Output) -> Bool ) -> AnyCancellableParameters
expectationAn optional expectation; if testing asynchrounous calls, this will need to be passed otherwise you will receive false positives.
predicateThe predicate evaluated for each published value