1 files changed, 50 insertions, 0 deletions
diff --git a/tests/common.c b/tests/common.c
index e69de29b..e35ef529 100644
--- a/tests/common.c
+++ b/tests/common.c
@@ -0,0 +1,50 @@
+#include <obd2/obd2.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+DiagnosticShims SHIMS;
+
+uint16_t last_can_frame_sent_arb_id;
+uint8_t last_can_payload_sent[8];
+uint8_t last_can_payload_size;
+bool can_frame_was_sent;
+
+DiagnosticResponse last_response_received;
+bool last_response_was_received;
+
+void debug(const char* format, ...) {
+    va_list args;
+    va_start(args, format);
+    vprintf(format, args);
+    printf("\r\n");
+    va_end(args);
+}
+
+void mock_send_can(const uint16_t arbitration_id, const uint8_t* data,
+        const uint8_t size) {
+    can_frame_was_sent = true;
+    last_can_frame_sent_arb_id = arbitration_id;
+    last_can_payload_size = size;
+    if(size > 0) {
+        memcpy(last_can_payload_sent, data, size);
+    }
+}
+
+void mock_set_timer(uint16_t time_ms, void (*callback)) {
+}
+
+void response_received_handler(const DiagnosticResponse* response) {
+    last_response_was_received = true;
+    // TODO not sure if we can copy the struct like this
+    last_response_received = *response;
+}
+
+void setup() {
+    SHIMS = diagnostic_init_shims(debug, mock_send_can, mock_set_timer);
+    memset(last_can_payload_sent, 0, sizeof(last_can_payload_sent));
+    can_frame_was_sent = false;
+    last_response_was_received = false;
+}
+