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MBL-1016: Add handling for failures in MockGraphQLClient (#1901)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| import Combine | ||
| @testable import KsApi | ||
| import XCTest | ||
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| final class MockGraphQLClient_CombineTests: XCTestCase { | ||
| func testSuccess() { | ||
| let mockClient = MockGraphQLClient() | ||
| let observer = CombineTestObserver<UserEnvelope<GraphUserEmail>, ErrorEnvelope>() | ||
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| let fetchGraphUserEmailQuery = GraphAPI.FetchUserEmailQuery() | ||
| let fetchUserEmailQueryData = GraphAPI.FetchUserEmailQuery | ||
| .Data(unsafeResultMap: GraphUserEnvelopeTemplates.userJSONDict) | ||
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| guard let envelope = UserEnvelope<GraphUserEmail>.userEnvelope(from: fetchUserEmailQueryData) else { | ||
| XCTFail() | ||
| return | ||
| } | ||
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| let publisher: AnyPublisher<UserEnvelope<GraphUserEmail>, ErrorEnvelope> = | ||
| mockClient.fetchWithResult(query: fetchGraphUserEmailQuery, result: .success(envelope)) | ||
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| observer.observe(publisher) | ||
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| XCTAssertEqual(observer.events.count, 1) | ||
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| if case let .value(observedEnvelope) = observer.events.last { | ||
| XCTAssertEqual(observedEnvelope.me, envelope.me) | ||
| } else { | ||
| XCTFail() | ||
| } | ||
| } | ||
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| func testFailure() { | ||
| let mockClient = MockGraphQLClient() | ||
| let observer = CombineTestObserver<UserEnvelope<GraphUserEmail>, ErrorEnvelope>() | ||
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| let fetchGraphUserEmailQuery = GraphAPI.FetchUserEmailQuery() | ||
| let error = ErrorEnvelope( | ||
| errorMessages: ["Something went wrong"], | ||
| ksrCode: .GraphQLError, | ||
| httpCode: 503, | ||
| exception: nil | ||
| ) | ||
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| let publisher: AnyPublisher<UserEnvelope<GraphUserEmail>, ErrorEnvelope> = | ||
| mockClient.fetchWithResult(query: fetchGraphUserEmailQuery, result: .failure(error)) | ||
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| observer.observe(publisher) | ||
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| XCTAssertEqual(observer.events.count, 1) | ||
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| if case let .error(observedError) = observer.events.last { | ||
| XCTAssertEqual(observedError.ksrCode, error.ksrCode) | ||
| XCTAssertEqual(observedError.errorMessages, error.errorMessages) | ||
| } else { | ||
| XCTFail() | ||
| } | ||
| } | ||
| } |
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