diff --git a/packages/flutter_tools/lib/src/cmake.dart b/packages/flutter_tools/lib/src/cmake.dart
index 19589d46835d..47b20f8d6aa0 100644
--- a/packages/flutter_tools/lib/src/cmake.dart
+++ b/packages/flutter_tools/lib/src/cmake.dart
@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'base/file_system.dart';
 import 'cmake_project.dart';
 
 /// Extracts the `BINARY_NAME` from a project's CMake file.
@@ -22,23 +21,6 @@ String? getCmakeExecutableName(CmakeBasedProject project) {
   return null;
 }
 
-/// Extracts the `PACKAGE_GUID` from a project's CMake file.
-///
-/// Returns `null` if it cannot be found.
-String? getCmakePackageGuid(File cmakeFile) {
-  if (!cmakeFile.existsSync()) {
-    return null;
-  }
-  final RegExp nameSetPattern = RegExp(r'^\s*set\(PACKAGE_GUID\s*"(.*)"\s*\)\s*$');
-  for (final String line in cmakeFile.readAsLinesSync()) {
-    final RegExpMatch? match = nameSetPattern.firstMatch(line);
-    if (match != null) {
-      return match.group(1);
-    }
-  }
-  return null;
-}
-
 String _escapeBackslashes(String s) {
   return s.replaceAll(r'\', r'\\');
 }
diff --git a/packages/flutter_tools/test/general.shard/cmake_test.dart b/packages/flutter_tools/test/general.shard/cmake_test.dart
new file mode 100644
index 000000000000..1ef9bfcefb22
--- /dev/null
+++ b/packages/flutter_tools/test/general.shard/cmake_test.dart
@@ -0,0 +1,158 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// @dart = 2.8
+
+import 'package:file/memory.dart';
+import 'package:file_testing/file_testing.dart';
+import 'package:flutter_tools/src/base/file_system.dart';
+import 'package:flutter_tools/src/cmake.dart';
+import 'package:flutter_tools/src/project.dart';
+
+import '../src/common.dart';
+import '../src/context.dart';
+
+const String _kTestFlutterRoot = '/flutter';
+const String _kTestWindowsFlutterRoot = r'C:\flutter';
+
+void main() {
+  FileSystem fileSystem;
+
+  ProcessManager processManager;
+
+  setUp(() {
+    fileSystem = MemoryFileSystem.test();
+  });
+
+  testUsingContext('parses executable name from cmake file', () async {
+    final FlutterProject project = FlutterProject.fromDirectoryTest(fileSystem.currentDirectory);
+    final CmakeBasedProject cmakeProject = _FakeProject.fromFlutter(project);
+
+    cmakeProject.cmakeFile
+      ..createSync(recursive: true)
+      ..writeAsStringSync('set(BINARY_NAME "hello")');
+
+    final String name = getCmakeExecutableName(cmakeProject);
+
+    expect(name, 'hello');
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => processManager,
+  });
+
+  testUsingContext('defaults executable name to null if cmake config does not exist', () async {
+    final FlutterProject project = FlutterProject.fromDirectoryTest(fileSystem.currentDirectory);
+    final CmakeBasedProject cmakeProject = _FakeProject.fromFlutter(project);
+
+    final String name = getCmakeExecutableName(cmakeProject);
+
+    expect(name, isNull);
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => processManager,
+  });
+
+  testUsingContext('generates config', () async {
+    final FlutterProject project = FlutterProject.fromDirectoryTest(fileSystem.currentDirectory);
+    final CmakeBasedProject cmakeProject = _FakeProject.fromFlutter(project);
+    final Map<String, String> environment = <String, String>{};
+
+    writeGeneratedCmakeConfig(
+      _kTestFlutterRoot,
+      cmakeProject,
+      environment,
+    );
+
+    final File cmakeConfig = cmakeProject.generatedCmakeConfigFile;
+
+    expect(cmakeConfig, exists);
+
+    final List<String> configLines = cmakeConfig.readAsLinesSync();
+
+    expect(configLines, containsAll(<String>[
+      r'# Generated code do not commit.',
+      r'file(TO_CMAKE_PATH "/flutter" FLUTTER_ROOT)',
+      r'file(TO_CMAKE_PATH "/" PROJECT_DIR)',
+
+      r'# Environment variables to pass to tool_backend.sh',
+      r'list(APPEND FLUTTER_TOOL_ENVIRONMENT',
+      r'  "FLUTTER_ROOT=/flutter"',
+      r'  "PROJECT_DIR=/"',
+      r')',
+    ]));
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => processManager,
+  });
+
+  testUsingContext('config escapes backslashes', () async {
+    fileSystem = MemoryFileSystem.test(style: FileSystemStyle.windows);
+
+    final FlutterProject project = FlutterProject.fromDirectoryTest(fileSystem.currentDirectory);
+    final CmakeBasedProject cmakeProject = _FakeProject.fromFlutter(project);
+
+    final Map<String, String> environment = <String, String>{
+      'TEST': r'hello\world',
+    };
+
+    writeGeneratedCmakeConfig(
+      _kTestWindowsFlutterRoot,
+      cmakeProject,
+      environment,
+    );
+
+    final File cmakeConfig = cmakeProject.generatedCmakeConfigFile;
+
+    expect(cmakeConfig, exists);
+
+    final List<String> configLines = cmakeConfig.readAsLinesSync();
+
+    expect(configLines, containsAll(<String>[
+      r'# Generated code do not commit.',
+      r'file(TO_CMAKE_PATH "C:\\flutter" FLUTTER_ROOT)',
+      r'file(TO_CMAKE_PATH "C:\\" PROJECT_DIR)',
+
+      r'# Environment variables to pass to tool_backend.sh',
+      r'list(APPEND FLUTTER_TOOL_ENVIRONMENT',
+      r'  "FLUTTER_ROOT=C:\\flutter"',
+      r'  "PROJECT_DIR=C:\\"',
+      r'  "TEST=hello\\world"',
+      r')',
+    ]));
+  }, overrides: <Type, Generator>{
+    FileSystem: () => fileSystem,
+    ProcessManager: () => processManager,
+  });
+}
+
+class _FakeProject implements CmakeBasedProject {
+  _FakeProject.fromFlutter(this._parent);
+
+  final FlutterProject _parent;
+
+  @override
+  bool existsSync() => _editableDirectory.existsSync();
+
+  @override
+  File get cmakeFile => _editableDirectory.childFile('CMakeLists.txt');
+
+  @override
+  File get managedCmakeFile => _managedDirectory.childFile('CMakeLists.txt');
+
+  @override
+  File get generatedCmakeConfigFile => _ephemeralDirectory.childFile('generated_config.cmake');
+
+  @override
+  File get generatedPluginCmakeFile => _managedDirectory.childFile('generated_plugins.cmake');
+
+  @override
+  Directory get pluginSymlinkDirectory => _ephemeralDirectory.childDirectory('.plugin_symlinks');
+
+  @override
+  FlutterProject get parent => _parent;
+
+  Directory get _editableDirectory => parent.directory.childDirectory('test');
+  Directory get _managedDirectory => _editableDirectory.childDirectory('flutter');
+  Directory get _ephemeralDirectory => _managedDirectory.childDirectory('ephemeral');
+}