[Tests] Increase QMK test coverage (#13789)

* Add per-test keymaps

* Add better trace and info logs for failed unit-tests

* Add layer state assertion with tracing message

* Use individual test binaries configuration options

* Add basic qmk functionality tests

* Add tap hold configurations tests

* Add auto shift tests

* `qmk format-c

* Fix tests

Co-authored-by: Nick Brassel <nick@tzarc.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/tests/test_common/test_logger.hpp b/tests/test_common/test_logger.hpp
new file mode 100644
index 000000000..348af7fab
--- /dev/null
+++ b/tests/test_common/test_logger.hpp
@@ -0,0 +1,35 @@
+/* Copyright 2021 Stefan Kerkmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <ostream>
+#include <sstream>
+
+class TestLogger : public std::ostream {
+   public:
+    TestLogger() : std::ostream(&m_log){};
+    TestLogger& info();
+    TestLogger& trace();
+    TestLogger& error();
+    void print_log();
+    void reset();
+
+   private:
+    std::stringbuf m_log;
+};
+
+extern TestLogger test_logger;
\ No newline at end of file