[libcamera-devel] [PATCH 2/5] test: camera: Add read default format test

[Niklas Söderlund]

Add a test to verify reading the default format from a camera works.

Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
---
 test/camera/camera_test.cpp    | 47 ++++++++++++++++++++++
 test/camera/camera_test.h      | 32 +++++++++++++++
 test/camera/format_default.cpp | 71 ++++++++++++++++++++++++++++++++++
 test/camera/meson.build        | 12 ++++++
 test/meson.build               |  1 +
 5 files changed, 163 insertions(+)
 create mode 100644 test/camera/camera_test.cpp
 create mode 100644 test/camera/camera_test.h
 create mode 100644 test/camera/format_default.cpp
 create mode 100644 test/camera/meson.build

diff --git a/test/camera/camera_test.cpp b/test/camera/camera_test.cpp
new file mode 100644
index 0000000000000000..d39a0ed066665946
--- /dev/null
+++ b/test/camera/camera_test.cpp
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * libcamera Camera API tests
+ */
+
+#include <iostream>
+
+#include "camera_test.h"
+
+using namespace std;
+using namespace libcamera;
+
+int CameraTest::init()
+{
+	cm_ = CameraManager::instance();
+
+	if (cm_->start()) {
+		cout << "Failed to start camera manager" << endl;
+		return TestFail;
+	}
+
+	camera_ = cm_->get("VIMC Sensor B");
+	if (!camera_) {
+		cout << "Can not find VIMC camera, skip." << endl;
+		return TestSkip;
+	}
+
+	/* Sanity check that camera have streams. */
+	if (camera_->streams().size() == 0) {
+		cout << "Camera have no streams, fail." << endl;
+		return TestFail;
+	}
+
+	return TestPass;
+}
+
+void CameraTest::cleanup()
+{
+	if (camera_) {
+		camera_->release();
+		camera_.reset();
+	}
+
+	cm_->stop();
+};
diff --git a/test/camera/camera_test.h b/test/camera/camera_test.h
new file mode 100644
index 0000000000000000..4aadd027675a5dbd
--- /dev/null
+++ b/test/camera/camera_test.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * camera_test.h - libcamera camera test base class
+ */
+#ifndef __LIBCAMERA_CAMERA_TEST_H_
+#define __LIBCAMERA_CAMERA_TEST_H_
+
+#include <libcamera/libcamera.h>
+
+#include "test.h"
+
+using namespace libcamera;
+
+class CameraTest : public Test
+{
+public:
+	CameraTest()
+		: cm_(nullptr){};
+
+protected:
+	int init();
+	void cleanup();
+
+	std::shared_ptr<Camera> camera_;
+
+private:
+	CameraManager *cm_;
+};
+
+#endif /* __LIBCAMERA_CAMERA_TEST_H_ */
diff --git a/test/camera/format_default.cpp b/test/camera/format_default.cpp
new file mode 100644
index 0000000000000000..11b947f44c39b40a
--- /dev/null
+++ b/test/camera/format_default.cpp
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * libcamera Camera API tests
+ */
+
+#include <iostream>
+
+#include "camera_test.h"
+
+using namespace std;
+
+namespace {
+
+class FormatDefault : public CameraTest
+{
+protected:
+	int run()
+	{
+		std::map<Stream *, StreamConfiguration> conf;
+		std::set<Stream *> streams = { *camera_->streams().begin() };
+
+		/*
+		 * Test that asking for default format for a valid array of
+		 * streams returns formats and that the formats are somewhat
+		 * sane.
+		 */
+		conf = camera_->streamConfiguration(streams);
+		if (!conf.size()) {
+			cout << "Default format for valid streams test failed" << endl;
+			return TestFail;
+		}
+
+		StreamConfiguration *sconf = &conf.begin()->second;
+		if (sconf->width == 0 || sconf->height == 0 ||
+		    sconf->pixelFormat == 0 || sconf->bufferCount == 0) {
+			cout << "Default format is set test failed" << endl;
+			return TestFail;
+		}
+
+		/*
+		 * Test that asking for format for an empty array of streams
+		 * returns an empty list of configurations.
+		 */
+		std::set<Stream *> streams_empty = {};
+		conf = camera_->streamConfiguration(streams_empty);
+		if (conf.size()) {
+			cout << "Default format for empty streams test failed" << endl;
+			return TestFail;
+		}
+
+		/*
+		 * Test that asking for format for an array of streams bad streams
+		 * returns an empty list of configurations.
+		 */
+		Stream *stream_bad = *streams.end();
+		std::set<Stream *> streams_bad = { stream_bad };
+		conf = camera_->streamConfiguration(streams_bad);
+		if (conf.size()) {
+			cout << "Default format for bad streams test failed" << endl;
+			return TestFail;
+		}
+
+		return TestPass;
+	}
+};
+
+} /* namespace */
+
+TEST_REGISTER(FormatDefault);
diff --git a/test/camera/meson.build b/test/camera/meson.build
new file mode 100644
index 0000000000000000..4f2ed244a9240512
--- /dev/null
+++ b/test/camera/meson.build
@@ -0,0 +1,12 @@
+# Tests are listed in order of complexity.
+# They are not alphabetically sorted.
+camera_tests = [
+  [ 'format_default',        'format_default.cpp' ],
+]
+
+foreach t : camera_tests
+  exe = executable(t[0], [t[1], 'camera_test.cpp'],
+		   link_with : test_libraries,
+		   include_directories : test_includes_internal)
+  test(t[0], exe, suite: 'camera', is_parallel: false)
+endforeach
diff --git a/test/meson.build b/test/meson.build
index 5fb16fa6afb62f8d..71a96921697c0e9e 100644
--- a/test/meson.build
+++ b/test/meson.build
@@ -1,5 +1,6 @@
 subdir('libtest')
 
+subdir('camera')
 subdir('media_device')
 subdir('pipeline')
 subdir('v4l2_device')
-- 
2.21.0