🏗 WIP: Much improved Shell protocol

phpmon-tests/Next/FakeShellTest.swift

@@ -0,0 +1,44 @@
+//
+//  ShellTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 20/09/2022.
+//  Copyright © 2022 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class FakeShellTest: XCTestCase {
+    func test_we_can_predefine_responses_for_dummy_shell() {
+        let expectedPhpOutput = """
+                PHP 8.1.10 (cli) (built: Sep  3 2022 12:09:27) (NTS)
+                Copyright (c) The PHP Group
+                Zend Engine v4.1.10, Copyright (c) Zend Technologies
+                with Zend OPcache v8.1.10, Copyright (c), by Zend Technologies
+                with Xdebug v3.1.4, Copyright (c) 2002-2022, by Derick Rethans
+            """
+
+        let slowVersionOutput = FakeTerminalOutput(
+            output: expectedPhpOutput,
+            duration: 1000,
+            isError: false
+        )
+
+        ActiveShell.useTestable([
+            "php -v": expectedPhpOutput,
+            "php --version": slowVersionOutput
+        ])
+
+        XCTAssertTrue(Shell is TestableShell)
+
+        XCTAssertEqual(expectedPhpOutput, Shell.sync("php -v").output)
+
+        XCTAssertEqual(expectedPhpOutput, Shell.sync("php --version").output)
+    }
+
+    func test_unrecognized_commands_output_stderr() {
+        ActiveShell.useTestable([:])
+
+        XCTAssertEqual("Unexpected Command", Shell.sync("unrecognized command").output)
+    }
+}