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Felix Jendrusch
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Apr 20, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright (c) 2015 Felix Jendrusch. All rights reserved. | ||
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| import Quick | ||
| import Nimble | ||
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| import Result | ||
| import Monocle | ||
| import Pistachio | ||
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| class LensExtensionsSpec: QuickSpec { | ||
| override func spec() { | ||
| describe("Lifted lenses") { | ||
| context("for results") { | ||
| let counter = Counter(count: 1) | ||
| let error = NSError() | ||
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| let lifted: Lens<Result<Counter, NSError>, Result<Int, NSError>> = lift(CounterLenses.count) | ||
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| it("should get values") { | ||
| let result = get(lifted, Result.success(counter)) | ||
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| expect(result.value).to(equal(1)) | ||
| } | ||
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| it("should return structure failures on get") { | ||
| let result = get(lifted, Result.failure(error)) | ||
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| expect(result.error).to(beIdenticalTo(error)) | ||
| } | ||
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| it("should set values") { | ||
| let result = set(lifted, Result.success(counter), Result.success(1)) | ||
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| expect(result.value?.count).to(equal(1)) | ||
| } | ||
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| it("should return structure failures on set") { | ||
| let result = set(lifted, Result.failure(error), Result.success(1)) | ||
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| expect(result.error).to(beIdenticalTo(error)) | ||
| } | ||
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| it("should return value failures on set") { | ||
| let result = set(lifted, Result.success(counter), Result.failure(error)) | ||
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| expect(result.error).to(beIdenticalTo(error)) | ||
| } | ||
| } | ||
| } | ||
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| describe("Mapped lenses") { | ||
| let counter = Counter(count: 0) | ||
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| let mapped = map(CounterLenses.count, AnyObjectValueTransformers.int) | ||
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| it("should get values") { | ||
| let result = get(mapped, Result.success(counter)) | ||
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| expect(result.value as? Int).to(equal(0)) | ||
| } | ||
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| it("should set values") { | ||
| let result = set(mapped, Result.success(counter), Result.success(2)) | ||
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| expect(result.value?.count).to(equal(2)) | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| // Copyright (c) 2015 Felix Jendrusch. All rights reserved. | ||
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| import ValueTransformer | ||
| import Monocle | ||
| import Pistachio | ||
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| struct Counter: Equatable { | ||
| var count: Int | ||
| } | ||
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| func == (lhs: Counter, rhs: Counter) -> Bool { | ||
| return lhs.count == rhs.count | ||
| } | ||
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| struct CounterLenses { | ||
| static let count = Lens(get: { $0.count }, set: { (inout counter: Counter, count) in | ||
| counter.count = count | ||
| }) | ||
| } | ||
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| struct CounterAdapters { | ||
| static let anyObject = DictionaryAdapter(specification: [ | ||
| "count": map(CounterLenses.count, AnyObjectValueTransformers.int) | ||
| ], dictionaryTransformer: AnyObjectValueTransformers.dictionary, value: Counter(count: 0)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // Copyright (c) 2015 Felix Jendrusch. All rights reserved. | ||
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| import Quick | ||
| import Nimble | ||
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| import Pistachio | ||
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| class LazyAdapterSpec: QuickSpec { | ||
| override func spec() { | ||
| describe("A LazyAdapter") { | ||
| let adapter = NodeAdapters.anyObject | ||
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| it("should transform a value") { | ||
| let result = adapter.transform(Node(children: [ Node(children: []) ])) | ||
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| expect(((result.value as? [String: AnyObject])?["children"] as? [AnyObject])?.count).to(equal(1)) | ||
| } | ||
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| it("should reverse transform a value") { | ||
| let result = adapter.reverseTransform([ "children": [ [ "children": [] ] ] ]) | ||
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| expect(result.value).to(equal(Node(children: [ Node(children: []) ]))) | ||
| } | ||
| } | ||
| } | ||
| } |