swifter/XCode/SwifterTestsCommon/SwifterTestsStringExtensions.swift

//
//  SwifterTests.swift
//  SwifterTests
//
//  Copyright © 2016 Damian Kołakowski. All rights reserved.
//

import XCTest

class SwifterTestsStringExtensions: XCTestCase {
    
    func testSHA1() {
        XCTAssertEqual("".sha1(), "da39a3ee5e6b4b0d3255bfef95601890afd80709")
        XCTAssertEqual("test".sha1(), "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3")
        
        // Values copied from OpenSSL:
        // https://github.com/openssl/openssl/blob/master/test/sha1test.c
        
        XCTAssertEqual("abc".sha1(), "a9993e364706816aba3e25717850c26c9cd0d89d")
        XCTAssertEqual("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".sha1(),
            "84983e441c3bd26ebaae4aa1f95129e5e54670f1")
        
        XCTAssertEqual(
            ("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" +
             "a9993e364706816aba3e25717850c26c9cd0d89d" +
             "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq").sha1(),
            "a377b0c42d685fdc396e29a9eda7101d900947ca")
    }
    
    func testBASE64() {
        XCTAssertEqual(String.toBase64([UInt8]("".utf8)), "")
        
        // Values copied from OpenSSL:
        // https://github.com/openssl/openssl/blob/995197ab84901df1cdf83509c4ce3511ea7f5ec0/test/evptests.txt
        
        XCTAssertEqual(String.toBase64([UInt8]("h".utf8)), "aA==")
        XCTAssertEqual(String.toBase64([UInt8]("hello".utf8)), "aGVsbG8=")
        XCTAssertEqual(String.toBase64([UInt8]("hello world!".utf8)), "aGVsbG8gd29ybGQh")
        XCTAssertEqual(String.toBase64([UInt8]("OpenSSLOpenSSL\n".utf8)), "T3BlblNTTE9wZW5TU0wK")
        XCTAssertEqual(String.toBase64([UInt8]("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".utf8)),
            "eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eA==")
        XCTAssertEqual(String.toBase64([UInt8]("h".utf8)), "aA==")
    }
    
    func testMiscUnquote() {
        XCTAssertEqual("".unquote(), "")
        XCTAssertEqual("\"".unquote(), "\"")
        XCTAssertEqual("\"\"".unquote(), "")
        
        XCTAssertEqual("1234".unquote(), "1234")
        XCTAssertEqual("1234\"".unquote(), "1234\"")
        XCTAssertEqual("\"1234".unquote(), "\"1234")
        XCTAssertEqual("\"1234\"".unquote(), "1234")
        XCTAssertEqual("\"1234\"".unquote(), "1234")
        
        XCTAssertEqual("\"\"\"".unquote(), "\"")
        XCTAssertEqual("\"\" \"\"".unquote(), "\" \"")
    }
    
    func testMiscTrim() {
        XCTAssertEqual("".trimmingCharacters(in: .whitespacesAndNewlines), "")
        XCTAssertEqual(" ".trimmingCharacters(in: .whitespacesAndNewlines), "")
        XCTAssertEqual("      ".trimmingCharacters(in: .whitespacesAndNewlines), "")
        XCTAssertEqual("1 test     ".trimmingCharacters(in: .whitespacesAndNewlines), "1 test")
        XCTAssertEqual("      test          ".trimmingCharacters(in: .whitespacesAndNewlines), "test")
        XCTAssertEqual("   \t\n\rtest          ".trimmingCharacters(in: .whitespacesAndNewlines), "test")
        XCTAssertEqual("   \t\n\rtest  n   \n\t asd    ".trimmingCharacters(in: .whitespacesAndNewlines), "test  n   \n\t asd")
    }

    func testMiscReplace() {
        XCTAssertEqual("".replacingOccurrences(of: "+", with: "-"), "")
        XCTAssertEqual("test".replacingOccurrences(of: "+", with: "-"), "test")
        XCTAssertEqual("+++".replacingOccurrences(of: "+", with: "-"), "---")
        XCTAssertEqual("t&e&s&t12%3%".replacingOccurrences(of: "&", with: "+").replacingOccurrences(of: "%", with: "+"), "t+e+s+t12+3+")
        XCTAssertEqual("test 1234 #$%^&*( test   ".replacingOccurrences(of: " ", with: "_"), "test_1234_#$%^&*(_test___")
    }
    
    func testMiscRemovePercentEncoding() {
        XCTAssertEqual("".removingPercentEncoding!, "")
        XCTAssertEqual("%20".removingPercentEncoding!, " ")
        XCTAssertEqual("%22".removingPercentEncoding!, "\"")
        XCTAssertEqual("%25".removingPercentEncoding!, "%")
        XCTAssertEqual("%2d".removingPercentEncoding!, "-")
        XCTAssertEqual("%2e".removingPercentEncoding!, ".")
        XCTAssertEqual("%3C".removingPercentEncoding!, "<")
        XCTAssertEqual("%3E".removingPercentEncoding!, ">")
        XCTAssertEqual("%5C".removingPercentEncoding!, "\\")
        XCTAssertEqual("%5E".removingPercentEncoding!, "^")
        XCTAssertEqual("%5F".removingPercentEncoding!, "_")
        XCTAssertEqual("%60".removingPercentEncoding!, "`")
        XCTAssertEqual("%7B".removingPercentEncoding!, "{")
        XCTAssertEqual("%7C".removingPercentEncoding!, "|")
        XCTAssertEqual("%7D".removingPercentEncoding!, "}")
        XCTAssertEqual("%7E".removingPercentEncoding!, "~")
        XCTAssertEqual("%7e".removingPercentEncoding!, "~")
    }
}