apps: lc-compliance: Add configuration test

Add a test suite to test the Camera configuration operations.

Add a single simple test that tests an invalid configuration to start
with.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

2 files changed, 53 insertions, 0 deletions

diff --git a/src/apps/lc-compliance/meson.build b/src/apps/lc-compliance/meson.build
index c927dd12..c53b2603 100644
--- a/src/apps/lc-compliance/meson.build
+++ b/src/apps/lc-compliance/meson.build
@@ -15,6 +15,7 @@ lc_compliance_sources = files([
     'helpers/capture.cpp',
     'main.cpp',
     'tests/capture_test.cpp',
+    'tests/configure_test.cpp',
     'tests/controls_test.cpp'
 ])
 
diff --git a/src/apps/lc-compliance/tests/configure_test.cpp b/src/apps/lc-compliance/tests/configure_test.cpp
new file mode 100644
index 00000000..2ac605f7
--- /dev/null
+++ b/src/apps/lc-compliance/tests/configure_test.cpp
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2023, Ideas On Board Oy
+ *
+ * configure_test.cpp - Camera configuration tests
+ */
+
+#include <gtest/gtest.h>
+
+#include "environment.h"
+
+using namespace libcamera;
+
+class ConfigureTest : public testing::Test
+{
+protected:
+	void SetUp() override;
+	void TearDown() override;
+
+	std::shared_ptr<Camera> camera_;
+};
+
+void ConfigureTest::SetUp()
+{
+	Environment *env = Environment::get();
+
+	camera_ = env->cm()->get(env->cameraId());
+
+	ASSERT_EQ(camera_->acquire(), 0);
+}
+
+void ConfigureTest::TearDown()
+{
+	if (!camera_)
+		return;
+
+	camera_->release();
+	camera_.reset();
+}
+
+/* Test that an empty config doesn't get accepted by the camera. */
+TEST_F(ConfigureTest, EmptyConfig)
+{
+	auto emptyConfig = camera_->generateConfiguration({});
+	ASSERT_EQ(emptyConfig->size(), 0);
+
+	CameraConfiguration::Status status = emptyConfig->validate();
+	ASSERT_EQ(status, CameraConfiguration::Invalid);
+
+	int ret = camera_->configure(emptyConfig.get());
+	ASSERT_EQ(ret, -EINVAL);
+}