lc-compliance: Add Environment singleton

Add a singleton Environment class in order to make the camera available
inside all tests. This is needed for the Googletest refactor, otherwise
the tests, which are statically declared, won't be able to access the
camera.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

3 files changed, 52 insertions, 0 deletions

diff --git a/src/lc-compliance/environment.cpp b/src/lc-compliance/environment.cpp
new file mode 100644
index 00000000..9e24b5e3
--- /dev/null
+++ b/src/lc-compliance/environment.cpp
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2021, Collabora Ltd.
+ *
+ * environment.cpp - Common environment for tests
+ */
+
+#include "environment.h"
+
+Environment *Environment::get()
+{
+	static Environment instance;
+	return &instance;
+}
+
+void Environment::setup(CameraManager *cm, std::string cameraId)
+{
+	cm_ = cm;
+	cameraId_ = cameraId;
+}
diff --git a/src/lc-compliance/environment.h b/src/lc-compliance/environment.h
new file mode 100644
index 00000000..1c7d9a55
--- /dev/null
+++ b/src/lc-compliance/environment.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2021, Collabora Ltd.
+ *
+ * environment.h - Common environment for tests
+ */
+#ifndef __LC_COMPLIANCE_ENVIRONMENT_H__
+#define __LC_COMPLIANCE_ENVIRONMENT_H__
+
+#include <libcamera/libcamera.h>
+
+using namespace libcamera;
+
+class Environment
+{
+public:
+	static Environment *get();
+
+	void setup(CameraManager *cm, std::string cameraId);
+
+	const std::string &cameraId() const { return cameraId_; }
+	CameraManager *cm() const { return cm_; }
+
+private:
+	Environment() = default;
+
+	std::string cameraId_;
+	CameraManager *cm_;
+};
+
+#endif /* __LC_COMPLIANCE_ENVIRONMENT_H__ */
diff --git a/src/lc-compliance/meson.build b/src/lc-compliance/meson.build
index f3a7cbde..3e7bdb03 100644
--- a/src/lc-compliance/meson.build
+++ b/src/lc-compliance/meson.build
@@ -12,6 +12,7 @@ lc_compliance_enabled = true
 lc_compliance_sources = files([
     '../cam/event_loop.cpp',
     '../cam/options.cpp',
+    'environment.cpp',
     'main.cpp',
     'results.cpp',
     'simple_capture.cpp',