From ad46f51d73650473d86a12d17edea38833387601 Mon Sep 17 00:00:00 2001
From: Nico Verbruggen <mail@nicoverbruggen.be>
Date: Wed, 12 Oct 2022 22:38:03 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=91=8C=20Use=20fake=20filesystem?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 PHP Monitor.xcodeproj/project.pbxproj         |  2 +-
 .../Testables/TestableConfigurations.swift    | 12 +++++--
 .../Common/Testables/TestableFileSystem.swift | 31 +++++++++++++------
 phpmon/Domain/App/App.swift                   | 10 ++++++
 4 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index 3258cb4..34ad757 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -989,8 +989,8 @@
 			isa = PBXGroup;
 			children = (
 				C4F787A728EF812600790735 /* Testables */,
-				C4C8900128F0E27900CE5E97 /* Filesystem */,
 				C4F787A628EF811000790735 /* Shell */,
+				C4C8900128F0E27900CE5E97 /* Filesystem */,
 				C40C7F2127721F7300DDDCDC /* Core */,
 				54B20EDF263AA22C00D3250E /* PHP */,
 				C44CCD4327AFE93300CE40E5 /* Errors */,
diff --git a/phpmon/Common/Testables/TestableConfigurations.swift b/phpmon/Common/Testables/TestableConfigurations.swift
index f5525d0..20457e2 100644
--- a/phpmon/Common/Testables/TestableConfigurations.swift
+++ b/phpmon/Common/Testables/TestableConfigurations.swift
@@ -38,7 +38,11 @@ class TestableConfigurations {
         return TestableConfiguration(
             architecture: "arm64",
             filesystem: [
-                "/opt/homebrew/brew"
+                "/opt/homebrew/bin/brew"
+                    : .fake(.binary),
+                "/opt/homebrew/bin/php"
+                    : .fake(.binary),
+                "/opt/homebrew/bin/valet"
                     : .fake(.binary),
                 "/opt/homebrew/opt/php"
                     : .fake(.symlink, "/opt/homebrew/Cellar/php/8.1.10_1"),
@@ -47,13 +51,15 @@ class TestableConfigurations {
                 "/opt/homebrew/Cellar/php/8.1.10_1/bin/php"
                     : .fake(.binary),
                 "/opt/homebrew/Cellar/php/8.1.10_1/bin/php-config"
-                    : .fake(.binary)
+                    : .fake(.binary),
+                "~/.config/valet"
+                    : .fake(.directory)
             ],
             shellOutput: [
                 "sysctl -n sysctl.proc_translated"
                     : .instant("0"),
                 "id -un"
-                    : .instant("nicoverbruggen"),
+                    : .instant("user"),
                 "which node"
                     : .instant("/opt/homebrew/bin/node"),
                 "php -v"
diff --git a/phpmon/Common/Testables/TestableFileSystem.swift b/phpmon/Common/Testables/TestableFileSystem.swift
index f814e59..f5b4964 100644
--- a/phpmon/Common/Testables/TestableFileSystem.swift
+++ b/phpmon/Common/Testables/TestableFileSystem.swift
@@ -16,28 +16,39 @@ class TestableFileSystem: FileSystemProtocol {
     var files: [String: FakeFile]
 
     func isExecutableFile(_ path: String) -> Bool {
-        // TODO
-        return false
+        guard let file = files[path] else {
+            return false
+        }
+
+        return file.type == .binary
     }
 
     func exists(_ path: String) -> Bool {
-        // TODO
-        return false
+        return files.keys.contains(path)
     }
 
     func fileExists(_ path: String) -> Bool {
-        // TODO
-        return false
+        guard let file = files[path] else {
+            return false
+        }
+
+        return [.binary, .symlink, .text].contains(file.type)
     }
 
     func directoryExists(_ path: String) -> Bool {
-        // TODO
-        return false
+        guard let file = files[path] else {
+            return false
+        }
+
+        return [.directory].contains(file.type)
     }
 
     func fileIsSymlink(_ path: String) -> Bool {
-        // TODO
-        return false
+        guard let file = files[path] else {
+            return false
+        }
+
+        return file.type == .symlink
     }
 }
 
diff --git a/phpmon/Domain/App/App.swift b/phpmon/Domain/App/App.swift
index 308b099..83dd659 100644
--- a/phpmon/Domain/App/App.swift
+++ b/phpmon/Domain/App/App.swift
@@ -31,7 +31,17 @@ class App {
         return Bundle.main.infoDictionary?["CFBundleShortVersionString"] as! String
     }
 
+    /**
+     A fake architecture.
+     When set, the real machine's system architecture is not used,
+     but this fixed value is used instead.
+     */
+    static var fakeArchitecture: String?
+
+    /** The system architecture. Paths differ based on this value. */
     static var architecture: String {
+        if fakeArchitecture != nil { return fakeArchitecture! }
+
         var systeminfo = utsname()
         uname(&systeminfo)
         let machine = withUnsafeBytes(of: &systeminfo.machine) {bufPtr->String in