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| Original file line number | Diff line number | Diff line change |
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| // Copyright The swift-url Contributors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| import XCTest | ||
|
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| @testable import WebURL | ||
|
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| #if swift(<5.7) | ||
| #error("WebURL.KeyValuePairs requires Swift 5.7 or newer") | ||
| #endif | ||
|
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||
| /// A key-value pair. | ||
| /// | ||
| /// The `Equatable` conformance for this type checks exact code-unit/code-point equality | ||
| /// rather than Unicode canonical equivalence. In other words: | ||
| /// | ||
| /// ```swift | ||
| /// let nfc = KeyValuePair(key: "caf\u{00E9}", value: "") | ||
| /// let nfd = KeyValuePair(key: "cafe\u{0301}", value: "") | ||
| /// | ||
| /// nfc == nfd // false | ||
| /// ``` | ||
| /// | ||
| struct KeyValuePair: Equatable { | ||
| var key: String | ||
| var value: String | ||
|
|
||
| init(key: String, value: String) { | ||
| self.key = key | ||
| self.value = value | ||
| } | ||
|
|
||
| init(_ kvp: WebURL.KeyValuePairs<some KeyValueStringSchema>.Element) { | ||
| self.init(key: kvp.key, value: kvp.value) | ||
| } | ||
|
|
||
| static func == (lhs: Self, rhs: Self) -> Bool { | ||
| lhs.key.utf8.elementsEqual(rhs.key.utf8) && lhs.value.utf8.elementsEqual(rhs.value.utf8) | ||
| } | ||
| } | ||
|
|
||
| /// Asserts that the given `WebURL.KeyValuePairs` (or slice thereof) | ||
| /// contains the same pairs as the given list. | ||
| /// | ||
| /// Keys and values from the `WebURL.KeyValuePairs` are decoded before checking | ||
| /// for equality. The lists must match at the code-unit/code-point level. | ||
| /// | ||
| func XCTAssertEqualKeyValuePairs( | ||
| _ left: some Collection<WebURL.KeyValuePairs<some KeyValueStringSchema>.Element>, | ||
| _ right: some Collection<KeyValuePair>, | ||
| file: StaticString = #fileID, | ||
| line: UInt = #line | ||
| ) { | ||
| XCTAssertEqualElements(left.map { KeyValuePair($0) }, right, file: file, line: line) | ||
| } | ||
|
|
||
| /// Asserts that the given `WebURL.KeyValuePairs` (or slice thereof) | ||
| /// contains the same pairs as the given Array. | ||
| /// | ||
| /// Keys and values from the `WebURL.KeyValuePairs` are decoded before checking | ||
| /// for equality. The lists must match at the code-unit/code-point level. | ||
| /// | ||
| func XCTAssertEqualKeyValuePairs( | ||
| _ left: some Collection<WebURL.KeyValuePairs<some KeyValueStringSchema>.Element>, | ||
| _ right: [(key: String, value: String)], | ||
| file: StaticString = #fileID, | ||
| line: UInt = #line | ||
| ) { | ||
| XCTAssertEqualKeyValuePairs(left, right.map { KeyValuePair(key: $0.key, value: $0.value) }, file: file, line: line) | ||
| } | ||
|
|
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| /// A key-value string schema with non-standard delimiters. | ||
| /// | ||
| /// ``` | ||
| /// key1:value1,key2:value2 | ||
| /// ``` | ||
| /// | ||
| /// Other than delimiters, it should match `PercentEncodedKeyValueString`. | ||
| /// | ||
| struct CommaSeparated: KeyValueStringSchema { | ||
|
|
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| var preferredPairDelimiter: UInt8 { UInt8(ascii: ",") } | ||
| var preferredKeyValueDelimiter: UInt8 { UInt8(ascii: ":") } | ||
|
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| var decodePlusAsSpace: Bool { false } | ||
|
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| func shouldPercentEncode(ascii codePoint: UInt8) -> Bool { | ||
| PercentEncodedKeyValueString().shouldPercentEncode(ascii: codePoint) | ||
| } | ||
| } | ||
|
|
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| /// A key-value string schema which supports additional options for form-encoding. | ||
| /// | ||
| struct ExtendedForm: KeyValueStringSchema { | ||
|
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| var semicolonIsPairDelimiter = false | ||
| var encodeSpaceAsPlus = false | ||
|
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| func isPairDelimiter(_ codePoint: UInt8) -> Bool { | ||
| codePoint == UInt8(ascii: "&") || (semicolonIsPairDelimiter && codePoint == UInt8(ascii: ";")) | ||
| } | ||
|
|
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| var preferredPairDelimiter: UInt8 { UInt8(ascii: "&") } | ||
| var preferredKeyValueDelimiter: UInt8 { UInt8(ascii: "=") } | ||
|
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| var decodePlusAsSpace: Bool { true } | ||
|
|
||
| func shouldPercentEncode(ascii codePoint: UInt8) -> Bool { | ||
| FormCompatibleKeyValueString().shouldPercentEncode(ascii: codePoint) | ||
| } | ||
| } | ||
|
|
||
| /// Asserts that information in the `WebURL.KeyValuePairs` cache | ||
| /// is consistent with a freshly-recalculated cache. | ||
| /// | ||
| func XCTAssertKeyValuePairCacheIsAccurate(_ kvps: WebURL.KeyValuePairs<some KeyValueStringSchema>) { | ||
|
|
||
| let expectedCache = type(of: kvps).Cache.calculate( | ||
| storage: kvps.storage, | ||
| component: kvps.component, | ||
| schema: kvps.schema | ||
| ) | ||
| XCTAssertEqual(kvps.cache.startIndex, expectedCache.startIndex) | ||
| XCTAssertEqual(kvps.cache.componentContents, expectedCache.componentContents) | ||
| } |
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