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Conditionally conform to Combine.TopLevelDecoder (CoreOffice#132)
This enables use of `XMLDecoder` with Combine's `decode(_:decoder:)` operator by conditionally conforming to `TopLevelDecoder` when Combine is available. I explored doing the same for `TopLevelEncoder`, but `XMLEncoder` currently requires `rootKey:` to be specified at encoding time, so it's not possible to provide an implementation of `encode(_:)` without some design around how to dynamically determine the root key to use. * Conditionally conform to Combine.TopLevelDecoder * Add test and documentation for Combine integration * Remove macCatalyst from CombineTests This shouldn't be necessary because all versions of Mac Catalyst should have a version of Combine available. * Add CombineTests to the Xcode project * Disable CombineTests on macOS
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| // | ||
| // CombineTests.swift | ||
| // XMLCoder | ||
| // | ||
| // Created by Adam Sharp on 9/29/19. | ||
| // | ||
|
|
||
| #if canImport(Combine) && !os(macOS) | ||
| import Combine | ||
| import Foundation | ||
| import XCTest | ||
| import XMLCoder | ||
|
|
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| private let xml = """ | ||
| <?xml version="1.0" encoding="UTF-8"?> | ||
| <foo> | ||
| <name>Foo</name> | ||
| </foo> | ||
| """.data(using: .utf8)! | ||
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| private struct Foo: Decodable { | ||
| var name: String | ||
| } | ||
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| @available(iOS 13.0, macOS 10.15.0, tvOS 13.0, watchOS 6.0, *) | ||
| class CombineTests: XCTestCase { | ||
| func testDecodeFromXMLDecoder() { | ||
| let data = Just(xml) | ||
| var foo: Foo? | ||
| _ = data.decode(type: Foo.self, decoder: XMLDecoder()).sink( | ||
| receiveCompletion: { _ in }, | ||
| receiveValue: { foo = $0 } | ||
| ) | ||
| XCTAssertEqual(foo?.name, "Foo") | ||
| } | ||
| } | ||
| #endif |
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