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Tests coverage for ServiceFactory implementations
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|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // ServiceFactoryTests.swift | ||
| // FlipperZero | ||
| // | ||
| // Created by Eugene Berdnikov on 9/3/20. | ||
| // | ||
| // | ||
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| @testable import Core | ||
| import XCTest | ||
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| class ServiceFactoryTests: XCTestCase { | ||
| func testSingletonFactoryDoesNotInvokeBuilderEarly() { | ||
| let builderIsInvoked = BoolWrapper() | ||
| let target = SingletonFactory { | ||
| XCTAssertFalse(builderIsInvoked.value, "Builder is invoked more than once") | ||
| builderIsInvoked.value = true | ||
| return builderIsInvoked | ||
| } | ||
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| XCTAssertFalse(builderIsInvoked.value, "Builder is invoked before `create` is called") | ||
| _ = target.create() | ||
| XCTAssert(builderIsInvoked.value, "Builder invocation was not tracked") | ||
| } | ||
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| func testSingletonFactoryReturnsTheSameValueOnSubsequentCall() { | ||
| let target = SingletonFactory(BoolWrapper.init) | ||
| let firstValue = target.create() as AnyObject | ||
| let secondValue = target.create() as AnyObject | ||
| XCTAssert(firstValue === secondValue) | ||
| } | ||
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| func testSingleUseFactoryDoesNotInvokeBuilderEarly() { | ||
| let builderIsInvoked = BoolWrapper() | ||
| let target = SingleUseFactory { | ||
| XCTAssertFalse(builderIsInvoked.value, "Builder is invoked more than once") | ||
| builderIsInvoked.value = true | ||
| return builderIsInvoked | ||
| } | ||
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| XCTAssertFalse(builderIsInvoked.value, "Builder is invoked before `create` is called") | ||
| _ = target.create() | ||
| XCTAssert(builderIsInvoked.value, "Builder invocation was not tracked") | ||
| } | ||
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| func testSingleUseFactoryReturnsDifferentValueOnSubsequentCall() { | ||
| let target = SingleUseFactory(BoolWrapper.init) | ||
| let firstValue = target.create() as AnyObject | ||
| let secondValue = target.create() as AnyObject | ||
| XCTAssert(firstValue !== secondValue) | ||
| } | ||
| } | ||
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| private class BoolWrapper { | ||
| var value = false | ||
| } |
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