Add some tests

Package.swift

@@ -14,6 +14,8 @@ let package = Package(
     ],
     targets: [
         .target(name: "NIORedis", dependencies: [ "NIO", "NIOFoundationCompat" ]),
-        .target(name: "Redis",    dependencies: [ "NIORedis"    ])
+        .target(name: "Redis",    dependencies: [ "NIORedis"    ]),
+        .testTarget(name: "NIORedisTests", dependencies: [ "NIORedis"]),
+        .testTarget(name: "RedisTests",    dependencies: [ "Redis"]),
     ]
 )

Tests/LinuxMain.swift

@@ -0,0 +1,9 @@
+import XCTest
+
+import NIORedisTests
+import RedisTests
+
+var tests = [XCTestCaseEntry]()
+tests += NIORedisTests.allTests()
+tests += RedisTests.allTests()
+XCTMain(tests)

Tests/NIORedisTests/RESPValueTests.swift

@@ -0,0 +1,12 @@
+import XCTest
+@testable import NIORedis
+
+final class RESPValueTests: XCTestCase {
+    func testDescription() throws {
+        XCTAssert(String(describing: RESPValue(1)) == "1")
+    }
+
+    static var allTests = [
+        ("testDescription", testDescription)
+    ]
+}

Tests/NIORedisTests/XCTestManifests.swift

@@ -0,0 +1,9 @@
+import XCTest
+
+#if !os(macOS)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(RESPValueTests.allTests),
+    ]
+}
+#endif

Tests/RedisTests/RedisClientTests.swift

@@ -0,0 +1,32 @@
+import XCTest
+@testable import Redis
+import NIO
+
+final class RedisClientTests: XCTestCase {
+    func testCreateClientWithDefaultArguments() throws {
+        let redisClient = Redis.createClient()
+
+        XCTAssert(redisClient.options.hostname! == "127.0.0.1")
+        XCTAssert(redisClient.options.port == 6379)
+        XCTAssert(redisClient.options.password == nil)
+        XCTAssert(redisClient.options.database == nil)
+    }
+
+    func testCreateClientWithSpecifiedArguments() throws {
+        let eventLoop = MultiThreadedEventLoopGroup(numberOfThreads: 1).next()
+
+        let redisClient = Redis.createClient(port: 6380, host: "localhost", password: "password", db: 1, eventLoopGroup: eventLoop)
+
+        XCTAssert(redisClient.options.hostname! == "localhost")
+        XCTAssert(redisClient.options.port == 6380)
+        XCTAssert(redisClient.options.password == "password")
+        XCTAssert(redisClient.options.database == 1)
+        XCTAssert(redisClient.options.eventLoopGroup === eventLoop)
+        XCTAssert(redisClient.eventLoop === eventLoop)
+    }
+
+    static var allTests = [
+        ("testCreateClientWithDefaultArguments", testCreateClientWithDefaultArguments),
+        ("testCreateClientWithSpecifiedArguments", testCreateClientWithSpecifiedArguments),
+    ]
+}

Tests/RedisTests/XCTestManifests.swift

@@ -0,0 +1,9 @@
+import XCTest
+
+#if !os(macOS)
+public func allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(RedisClientTests.allTests),
+    ]
+}
+#endif