Write unit tests for URLValidationRule

Author: ns-vasilev

Tests/ValidatorCoreTests/UnitTests/Rules/URLValidationRuleTests.swift

@@ -0,0 +1,123 @@
+//
+// Validator
+// Copyright © 2025 Space Code. All rights reserved.
+//
+
+import ValidatorCore
+import XCTest
+
+// MARK: - URLValidationRuleTests
+
+final class URLValidationRuleTests: XCTestCase {
+    // MARK: - Properties
+
+    private var sut: URLValidationRule!
+
+    // MARK: - Setup
+
+    override func setUp() {
+        super.setUp()
+        sut = URLValidationRule(error: String.error)
+    }
+
+    override func tearDown() {
+        sut = nil
+        super.tearDown()
+    }
+
+    // MARK: - Tests
+
+    func test_validate_validURL_shouldReturnTrue() {
+        // given
+        let url = "https://google.com"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertTrue(result)
+    }
+
+    func test_validate_missingScheme_shouldReturnFalse() {
+        // given
+        let url = "google.com"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertFalse(result)
+    }
+
+    func test_validate_missingHost_shouldReturnFalse() {
+        // given
+        let url = "https://"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertFalse(result)
+    }
+
+    func test_validate_emptyString_shouldReturnFalse() {
+        // given
+        let url = ""
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertFalse(result)
+    }
+
+    func test_validate_whitespaceString_shouldReturnFalse() {
+        // given
+        let url = "    "
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertFalse(result)
+    }
+
+    func test_validate_ipAddressURL_shouldReturnTrue() {
+        // given
+        let url = "http://192.168.0.1"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertTrue(result)
+    }
+
+    func test_validate_urlWithPort_shouldReturnTrue() {
+        // given
+        let url = "https://localhost:8080"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertTrue(result)
+    }
+
+    func test_validate_ftpScheme_shouldReturnTrue() {
+        // given
+        let url = "ftp://example.com"
+
+        // when
+        let result = sut.validate(input: url)
+
+        // then
+        XCTAssertTrue(result)
+    }
+}
+
+// MARK: Constants
+
+private extension String {
+    static let error = "URL is invalid"
+}