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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
class TestNSURLRequest : XCTestCase {
let url = URL(string: "http://swift.org")!
func test_construction() {
let request = NSURLRequest(url: url)
// Match macOS Foundation responses
XCTAssertEqual(request.url, url)
XCTAssertEqual(request.httpMethod, "GET")
XCTAssertNil(request.allHTTPHeaderFields)
XCTAssertNil(request.mainDocumentURL)
}
func test_mutableConstruction() {
let url = URL(string: "http://swift.org")!
let request = NSMutableURLRequest(url: url)
//Confirm initial state matches NSURLRequest responses
XCTAssertEqual(request.url, url)
XCTAssertEqual(request.httpMethod, "GET")
XCTAssertNil(request.allHTTPHeaderFields)
XCTAssertNil(request.mainDocumentURL)
request.mainDocumentURL = url
XCTAssertEqual(request.mainDocumentURL, url)
request.httpMethod = "POST"
XCTAssertEqual(request.httpMethod, "POST")
let newURL = URL(string: "http://github.com")!
request.url = newURL
XCTAssertEqual(request.url, newURL)
}
func test_headerFields() {
let request = NSMutableURLRequest(url: url)
request.setValue("application/json", forHTTPHeaderField: "Accept")
XCTAssertNotNil(request.allHTTPHeaderFields)
XCTAssertEqual(request.allHTTPHeaderFields?["Accept"], "application/json")
// Setting "accept" should update "Accept"
request.setValue("application/xml", forHTTPHeaderField: "accept")
XCTAssertNil(request.allHTTPHeaderFields?["accept"])
XCTAssertEqual(request.allHTTPHeaderFields?["Accept"], "application/xml")
// Adding to "Accept" should add to "Accept"
request.addValue("text/html", forHTTPHeaderField: "Accept")
XCTAssertEqual(request.allHTTPHeaderFields?["Accept"], "application/xml,text/html")
}
func test_copy() {
let mutableRequest = NSMutableURLRequest(url: url)
let urlA = URL(string: "http://swift.org")!
let urlB = URL(string: "http://github.com")!
let postBody = "here is body".data(using: .utf8)
mutableRequest.mainDocumentURL = urlA
mutableRequest.url = urlB
mutableRequest.httpMethod = "POST"
mutableRequest.setValue("application/json", forHTTPHeaderField: "Accept")
mutableRequest.httpBody = postBody
guard let requestCopy1 = mutableRequest.copy() as? NSURLRequest else {
XCTFail(); return
}
// Check that all attributes are copied and that the original ones are
// unchanged:
XCTAssertEqual(mutableRequest.mainDocumentURL, urlA)
XCTAssertEqual(requestCopy1.mainDocumentURL, urlA)
XCTAssertEqual(mutableRequest.httpMethod, "POST")
XCTAssertEqual(requestCopy1.httpMethod, "POST")
XCTAssertEqual(mutableRequest.url, urlB)
XCTAssertEqual(requestCopy1.url, urlB)
XCTAssertEqual(mutableRequest.allHTTPHeaderFields?["Accept"], "application/json")
XCTAssertEqual(requestCopy1.allHTTPHeaderFields?["Accept"], "application/json")
XCTAssertEqual(mutableRequest.httpBody, postBody)
XCTAssertEqual(requestCopy1.httpBody, postBody)
// Change the original, and check that the copy has unchanged
// values:
let urlC = URL(string: "http://apple.com")!
let urlD = URL(string: "http://ibm.com")!
mutableRequest.mainDocumentURL = urlC
mutableRequest.url = urlD
mutableRequest.httpMethod = "HEAD"
mutableRequest.addValue("text/html", forHTTPHeaderField: "Accept")
XCTAssertEqual(requestCopy1.mainDocumentURL, urlA)
XCTAssertEqual(requestCopy1.httpMethod, "POST")
XCTAssertEqual(requestCopy1.url, urlB)
XCTAssertEqual(requestCopy1.allHTTPHeaderFields?["Accept"], "application/json")
// Check that we can copy the copy:
guard let requestCopy2 = requestCopy1.copy() as? NSURLRequest else {
XCTFail(); return
}
XCTAssertEqual(requestCopy2.mainDocumentURL, urlA)
XCTAssertEqual(requestCopy2.httpMethod, "POST")
XCTAssertEqual(requestCopy2.url, urlB)
XCTAssertEqual(requestCopy2.allHTTPHeaderFields?["Accept"], "application/json")
}
func test_mutableCopy_1() {
let originalRequest = NSMutableURLRequest(url: url)
let urlA = URL(string: "http://swift.org")!
let urlB = URL(string: "http://github.com")!
originalRequest.mainDocumentURL = urlA
originalRequest.url = urlB
originalRequest.httpMethod = "POST"
originalRequest.setValue("application/json", forHTTPHeaderField: "Accept")
guard let requestCopy = originalRequest.mutableCopy() as? NSMutableURLRequest else {
XCTFail(); return
}
// Change the original, and check that the copy has unchanged values:
let urlC = URL(string: "http://apple.com")!
let urlD = URL(string: "http://ibm.com")!
originalRequest.mainDocumentURL = urlC
originalRequest.url = urlD
originalRequest.httpMethod = "HEAD"
originalRequest.addValue("text/html", forHTTPHeaderField: "Accept")
XCTAssertEqual(requestCopy.mainDocumentURL, urlA)
XCTAssertEqual(requestCopy.httpMethod, "POST")
XCTAssertEqual(requestCopy.url, urlB)
XCTAssertEqual(requestCopy.allHTTPHeaderFields?["Accept"], "application/json")
}
func test_mutableCopy_2() {
let originalRequest = NSMutableURLRequest(url: url)
let urlA = URL(string: "http://swift.org")!
let urlB = URL(string: "http://github.com")!
originalRequest.mainDocumentURL = urlA
originalRequest.url = urlB
originalRequest.httpMethod = "POST"
originalRequest.setValue("application/json", forHTTPHeaderField: "Accept")
guard let requestCopy = originalRequest.mutableCopy() as? NSMutableURLRequest else {
XCTFail(); return
}
// Change the copy, and check that the original has unchanged values:
let urlC = URL(string: "http://apple.com")!
let urlD = URL(string: "http://ibm.com")!
requestCopy.mainDocumentURL = urlC
requestCopy.url = urlD
requestCopy.httpMethod = "HEAD"
requestCopy.addValue("text/html", forHTTPHeaderField: "Accept")
XCTAssertEqual(originalRequest.mainDocumentURL, urlA)
XCTAssertEqual(originalRequest.httpMethod, "POST")
XCTAssertEqual(originalRequest.url, urlB)
XCTAssertEqual(originalRequest.allHTTPHeaderFields?["Accept"], "application/json")
}
func test_mutableCopy_3() {
let urlA = URL(string: "http://swift.org")!
let originalRequest = NSURLRequest(url: urlA)
guard let requestCopy = originalRequest.mutableCopy() as? NSMutableURLRequest else {
XCTFail(); return
}
// Change the copy, and check that the original has unchanged values:
let urlC = URL(string: "http://apple.com")!
let urlD = URL(string: "http://ibm.com")!
requestCopy.mainDocumentURL = urlC
requestCopy.url = urlD
requestCopy.httpMethod = "HEAD"
requestCopy.addValue("text/html", forHTTPHeaderField: "Accept")
XCTAssertNil(originalRequest.mainDocumentURL)
XCTAssertEqual(originalRequest.httpMethod, "GET")
XCTAssertEqual(originalRequest.url, urlA)
XCTAssertNil(originalRequest.allHTTPHeaderFields)
}
func test_hash() {
let url = URL(string: "https://example.org")!
let r1 = NSURLRequest(url: url)
let r2 = NSURLRequest(url: url)
XCTAssertEqual(r1, r2)
XCTAssertEqual(r1.hashValue, r2.hashValue)
let urls: [URL?] = (0..<100).map { URL(string: "https://example.org/\($0)") }
checkHashing_NSMutableCopying(
initialValue: NSURLRequest(url: URL(string: "https://example.org")!),
byMutating: \NSMutableURLRequest.url,
throughValues: urls)
checkHashing_NSMutableCopying(
initialValue: NSURLRequest(url: URL(string: "https://example.org")!),
byMutating: \NSMutableURLRequest.mainDocumentURL,
throughValues: urls)
checkHashing_NSMutableCopying(
initialValue: NSURLRequest(url: URL(string: "https://example.org")!),
byMutating: \NSMutableURLRequest.httpMethod,
throughValues: [
"HEAD", "POST", "PUT", "DELETE", "CONNECT", "TWIZZLE",
"REFUDIATE", "BUY", "REJECT", "UNDO", "SYNERGIZE",
"BUMFUZZLE", "ELUCIDATE"])
let inputStreams: [InputStream?] = (0..<100).map { value in
InputStream(data: Data("\(value)".utf8))
}
checkHashing_NSMutableCopying(
initialValue: NSURLRequest(url: URL(string: "https://example.org")!),
byMutating: \NSMutableURLRequest.httpBodyStream,
throughValues: inputStreams)
// allowsCellularAccess and httpShouldHandleCookies do
// not have enough values to test them here.
}
func test_NSCoding_1() {
let url = URL(string: "https://apple.com")!
let requestA = NSURLRequest(url: url)
let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
}
func test_NSCoding_2() {
let url = URL(string: "https://apple.com")!
let requestA = NSMutableURLRequest(url: url)
//Also checks crash on NSData.bytes
requestA.httpBody = Data()
let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
//Check `.httpBody` as it is not checked in `isEqual(_:)`
XCTAssertEqual(requestB.httpBody, requestA.httpBody)
}
func test_NSCoding_3() {
let url = URL(string: "https://apple.com")!
let urlForDocument = URL(string: "http://ibm.com")!
let requestA = NSMutableURLRequest(url: url)
requestA.mainDocumentURL = urlForDocument
//Also checks crash on NSData.bytes
requestA.httpBody = Data([1, 2, 3])
let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
//Check `.httpBody` as it is not checked in `isEqual(_:)`
XCTAssertNotNil(requestB.httpBody)
XCTAssertEqual(3, requestB.httpBody!.count)
XCTAssertEqual(requestB.httpBody, requestA.httpBody)
}
func test_methodNormalization() {
let expectedNormalizations = [
"GET": "GET",
"get": "GET",
"gEt": "GET",
"HEAD": "HEAD",
"hEAD": "HEAD",
"head": "HEAD",
"HEAd": "HEAD",
"POST": "POST",
"post": "POST",
"pOST": "POST",
"POSt": "POST",
"PUT": "PUT",
"put": "PUT",
"PUt": "PUT",
"DELETE": "DELETE",
"delete": "DELETE",
"DeleTE": "DELETE",
"dELETe": "DELETE",
"CONNECT": "CONNECT",
"connect": "CONNECT",
"Connect": "CONNECT",
"cOnNeCt": "CONNECT",
"OPTIONS": "OPTIONS",
"options": "options",
"TRACE": "TRACE",
"trace": "trace",
"PATCH": "PATCH",
"patch": "patch",
"foo": "foo",
"BAR": "BAR",
]
let request = NSMutableURLRequest(url: url)
for n in expectedNormalizations {
request.httpMethod = n.key
XCTAssertEqual(request.httpMethod, n.value)
}
}
func test_description() {
let url = URL(string: "http://swift.org")!
let request = NSMutableURLRequest(url: url)
if request.description.range(of: "http://swift.org") == nil {
XCTFail("description should contain URL")
}
request.url = nil
if request.description.range(of: "(null)") == nil {
XCTFail("description of nil URL should contain (null)")
}
}
func test_invalidHeaderValues() {
let url = URL(string: "http://swift.org")!
let request = NSMutableURLRequest(url: url)
let invalidHeaderValues = [
"\r\nevil: hello\r\n\r\nGET /other HTTP/1.1\r\nevil: hello",
"invalid\0NUL",
"invalid\rCR",
"invalidCR\r",
"invalid\nLF",
"invalidLF\n",
"invalid\r\nCRLF",
"invalidCRLF\r\n",
"invalid\r\rCRCR"
]
for (i, value) in invalidHeaderValues.enumerated() {
request.setValue("Bar\(value)", forHTTPHeaderField: "Foo\(i)")
XCTAssertNil(request.value(forHTTPHeaderField: "Foo\(i)"))
request.addValue("Bar\(value)", forHTTPHeaderField: "Foo\(i)")
XCTAssertNil(request.value(forHTTPHeaderField: "Foo\(i)"))
}
}
func test_validLineFoldedHeaderValues() {
let url = URL(string: "http://swift.org")!
let request = NSMutableURLRequest(url: url)
let validHeaderValueLineFoldedTab = "Bar\r\n\tBuz"
request.setValue(validHeaderValueLineFoldedTab, forHTTPHeaderField: "FooTab")
XCTAssertEqual(request.value(forHTTPHeaderField: "FooTab"), validHeaderValueLineFoldedTab)
let validHeaderValueLineFoldedSpace = "Bar\r\n Buz"
request.setValue(validHeaderValueLineFoldedSpace, forHTTPHeaderField: "FooSpace")
XCTAssertEqual(request.value(forHTTPHeaderField: "FooSpace"), validHeaderValueLineFoldedSpace)
}
}
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