//

// SwifterTestsHttpResponseBody.swift

// Swifter

//

import XCTest

@testable import Swifter

class SwifterTestsHttpResponseBody: XCTestCase {

func testDictionaryAsJSONPayload() {

verify(input: ["key": "value"], output: "{\"key\":\"value\"}")

verify(input: ["key": ["value1", "value2", "value3"]], output: "{\"key\":[\"value1\",\"value2\",\"value3\"]}")

}

func testArrayAsJSONPayload() {

verify(input: ["key", "value"], output: "[\"key\",\"value\"]")

verify(input: ["value1", "value2", "value3"], output: "[\"value1\",\"value2\",\"value3\"]")

}

func testNSDictionaryAsJSONPayload() {

verify(input: ["key": "value"] as NSDictionary, output: "{\"key\":\"value\"}")

verify(input: ["key": ["value1", "value2", "value3"]] as NSDictionary, output: "{\"key\":[\"value1\",\"value2\",\"value3\"]}")

}

func testNSArrayAsJSONPayload() {

verify(input: ["key", "value"] as NSArray, output: "[\"key\",\"value\"]")

verify(input: ["value1", "value2", "value3"] as NSArray, output: "[\"value1\",\"value2\",\"value3\"]")

}

private func verify(input: Any, output expectedOutput: String, line: UInt = #line) {

let response: HttpResponseBody = .json(input)

guard let writer = response.content().1 else {

XCTFail(line: line)

return

}

do {

let mockWriter = MockWriter()

try writer(mockWriter)

let output = String(decoding: mockWriter.data, as: UTF8.self)

XCTAssertEqual(output, expectedOutput, line: line)

} catch {

XCTFail(line: line)

}

}

}

private class MockWriter: HttpResponseBodyWriter {

var data = Data()

func write(_ file: String.File) throws { }

func write(_ data: [UInt8]) throws { }

func write(_ data: ArraySlice<UInt8>) throws { }

func write(_ data: NSData) throws { }

func write(_ data: Data) throws { self.data = data }

}