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LCEssentials/Tests/LCEssentialsTests/HTTPBodyTests.swift

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import XCTest
@testable import LCEssentials
private struct SamplePayload: Encodable, Sendable {
let name: String
let age: Int
}
final class HTTPBodyTests: XCTestCase {
// MARK: - JSONBody
func testJSONBodyEncodesPayloadAndContentType() throws {
let payload = SamplePayload(name: "loverde", age: 3)
let (data, contentType) = try JSONBody(payload).encoded()
XCTAssertEqual(contentType, "application/json; charset=UTF-8")
let decoded = try JSONDecoder().decode([String: AnyDecodable].self, from: data)
XCTAssertEqual(decoded["name"]?.value as? String, "loverde")
XCTAssertEqual(decoded["age"]?.value as? Int, 3)
}
func testJSONBodyFactory() throws {
let (data, _) = try jsonBody(SamplePayload(name: "x", age: 1)).encoded()
XCTAssertFalse(data.isEmpty)
}
// MARK: - FormURLEncodedBody
func testFormURLEncodedEncodesPairsAndPercentEscapes() throws {
let (data, contentType) = try FormURLEncodedBody(["a": "1", "b": "two words"]).encoded()
XCTAssertEqual(contentType, "application/x-www-form-urlencoded; charset=UTF-8")
let pairs = Set(String(data: data, encoding: .utf8)!.split(separator: "&").map(String.init))
XCTAssertEqual(pairs, ["a=1", "b=two%20words"])
}
func testFormURLEncodedEscapesReservedCharactersInsteadOfDropping() throws {
let (data, _) = try FormURLEncodedBody(["q": "a&b=c"]).encoded()
let body = String(data: data, encoding: .utf8)!
XCTAssertEqual(body, "q=a%26b%3Dc")
}
}
/// Minimal type-erased decoder for asserting JSON shape in tests.
struct AnyDecodable: Decodable {
let value: Any
init(from decoder: Decoder) throws {
let c = try decoder.singleValueContainer()
if let i = try? c.decode(Int.self) { value = i }
else if let s = try? c.decode(String.self) { value = s }
else if let b = try? c.decode(Bool.self) { value = b }
else if let d = try? c.decode(Double.self) { value = d }
else { value = "" }
}
}