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Add execution tests for ApolloClient clearCache callback queue (apoll…
…ographql#1901) * Add ApolloClient execution tests for callback queue * Clean up headerdoc to remove Promise reference
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| import XCTest | ||
| @testable import Apollo | ||
| import ApolloTestSupport | ||
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| class ExecutionTests: XCTestCase { | ||
| static let defaultWaitTimeout = 0.5 | ||
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| var store: ApolloStore! | ||
| var server: MockGraphQLServer! | ||
| var transport: NetworkTransport! | ||
| var client: ApolloClient! | ||
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| override func setUp() { | ||
| store = ApolloStore() | ||
| server = MockGraphQLServer() | ||
| transport = MockNetworkTransport(server: server, store: store) | ||
| client = ApolloClient(networkTransport: transport, store: store) | ||
| } | ||
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| override func tearDown() { | ||
| client = nil | ||
| transport = nil | ||
| server = nil | ||
| store = nil | ||
| } | ||
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| func testClearCacheCompletion_givenNoCallbackQueue_shouldCallbackOnMainQueue() throws { | ||
| let completionCallbackExpectation = expectation(description: "clearCache completion callback on main queue") | ||
| client.clearCache() { result in | ||
| XCTAssertTrue(Thread.isMainThread) | ||
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| completionCallbackExpectation.fulfill() | ||
| } | ||
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| wait(for: [completionCallbackExpectation], timeout: Self.defaultWaitTimeout) | ||
| } | ||
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| func testCacheClearCompletion_givenCustomCallbackQueue_shouldCallbackOnCustomQueue() throws { | ||
| let label = "CustomQueue" | ||
| let queue = DispatchQueue(label: label) | ||
| let key = DispatchSpecificKey<String>() | ||
| queue.setSpecific(key: key, value: label) | ||
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| let completionCallbackExpectation = expectation(description: "clearCache completion callback on custom queue") | ||
| client.clearCache(callbackQueue: queue) { result in | ||
| XCTAssertEqual(DispatchQueue.getSpecific(key: key), label) | ||
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| completionCallbackExpectation.fulfill() | ||
| } | ||
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| wait(for: [completionCallbackExpectation], timeout: Self.defaultWaitTimeout) | ||
| } | ||
| } |