pkg: apply managed DNS mode in the macOS package

cmd/cli/service_args_windows_test.go

@@ -0,0 +1,54 @@
+//go:build windows
+
+package cli
+
+import "testing"
+
+func TestBinaryPathArgumentPresent(t *testing.T) {
+	path := `C:\ControlD\ctrld.exe run --config=C:\Users\officer\ctrld.toml --intercept-mode=dns`
+	if !binaryPathArgumentPresent(path, "--intercept-mode=dns") {
+		t.Fatal("exact inline argument was not found")
+	}
+	if binaryPathArgumentPresent(path, "--intercept-mode") {
+		t.Fatal("inline flag was mistaken for a separate flag argument")
+	}
+	if binaryPathArgumentPresent(path, "off") {
+		t.Fatal("substring in an unrelated path was mistaken for the off argument")
+	}
+}
+
+func TestRemoveBinaryPathFlag(t *testing.T) {
+	tests := []struct {
+		name        string
+		binaryPath  string
+		wantPath    string
+		wantRemoved bool
+	}{
+		{
+			name:        "split form",
+			binaryPath:  `ctrld.exe run --cd=uid --intercept-mode dns --config=ctrld.toml`,
+			wantPath:    `ctrld.exe run --cd=uid --config=ctrld.toml`,
+			wantRemoved: true,
+		},
+		{
+			name:        "inline form",
+			binaryPath:  `ctrld.exe run --cd=uid --intercept-mode=dns --config=ctrld.toml`,
+			wantPath:    `ctrld.exe run --cd=uid --config=ctrld.toml`,
+			wantRemoved: true,
+		},
+		{
+			name:       "absent",
+			binaryPath: `ctrld.exe run --cd=uid`,
+			wantPath:   `ctrld.exe run --cd=uid`,
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			path, removed := removeBinaryPathFlag(tc.binaryPath, "--intercept-mode")
+			if path != tc.wantPath || removed != tc.wantRemoved {
+				t.Fatalf("removeBinaryPathFlag() = (%q, %v), want (%q, %v)", path, removed, tc.wantPath, tc.wantRemoved)
+			}
+		})
+	}
+}