Add example for the weak linking

examples/weak_linking/test/bus.fake.c

@@ -0,0 +1,5 @@
+
+
+#include "bus.fake.h"
+DEFINE_FAKE_VALUE_FUNC( bool, bus_read_write, uint8_t, uint8_t, uint8_t*, int, bool );
+DEFINE_FAKE_VALUE_FUNC( bool, bus_write, uint8_t, uint8_t, const uint8_t*, int, bool );

examples/weak_linking/test/bus.fake.h

@@ -0,0 +1,11 @@
+
+
+#ifndef _AUTOMOCK_BUS_H
+#define _AUTOMOCK_BUS_H
+
+#include "fff.h"
+#include "bus.h"
+
+DECLARE_FAKE_VALUE_FUNC( bool, bus_read_write, uint8_t, uint8_t, uint8_t*, int, bool );
+DECLARE_FAKE_VALUE_FUNC( bool, bus_write, uint8_t, uint8_t, const uint8_t*, int, bool );
+#endif // _AUTOMOCK_BUS_H

examples/weak_linking/test/display.fake.c

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+
+#include "display.fake.h"
+DEFINE_FAKE_VALUE_FUNC( bool, display_init );
+DEFINE_FAKE_VOID_FUNC( display_update, const char* );

examples/weak_linking/test/display.fake.h

@@ -0,0 +1,11 @@
+
+#ifndef _AUTOMOCK_DISPLAY_H
+#define _AUTOMOCK_DISPLAY_H
+
+#include "fff.h"
+#include "display.h"
+
+DECLARE_FAKE_VALUE_FUNC( bool, display_init );
+DECLARE_FAKE_VOID_FUNC( display_update, const char* );
+
+#endif // _AUTOMOCK_DISPLAY_H

examples/weak_linking/test/display.test.c

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+
+#include "test_common.h"
+
+#include "display.h"
+
+DEFINE_FFF_GLOBALS;
+
+
+int main(void)
+{
+   init_tests(); // will reset common and hook errors to asserts
+   
+   GLOBAL_TEST_bus_read_ret[2] = 0x10;
+   assert( display_init() == true );
+   assert( bus_read_write_fake.call_count == 1);
+   
+   display_update( "TEST INFO" );
+   assert( bus_read_write_fake.call_count == 1 );
+   assert( bus_write_fake.call_count == 1 );
+
+   GLOBAL_TEST_bus_read_ret[2] = 0x00;
+   assert( display_init() == false );
+   
+   printf("Test " __FILE__ " ok\n");
+   return 0;
+
+}

examples/weak_linking/test/error.fake.c

@@ -0,0 +1,4 @@
+
+#include "error.fake.h"
+DEFINE_FAKE_VOID_FUNC( runtime_error, const char* );
+DEFINE_FAKE_VALUE_FUNC( char*, runtime_error_nice_print, const char* );

examples/weak_linking/test/error.fake.h

@@ -0,0 +1,11 @@
+
+#ifndef _AUTOMOCK_ERROR_H
+#define _AUTOMOCK_ERROR_H
+
+#include "fff.h"
+#include "error.h"
+
+DECLARE_FAKE_VOID_FUNC( runtime_error, const char* );
+DECLARE_FAKE_VALUE_FUNC( char*, runtime_error_nice_print, const char* );
+
+#endif // _AUTOMOCK_ERROR_H

examples/weak_linking/test/main.test.c

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+
+#include "display.fake.h"
+#include "sensor.fake.h"
+#include "test_common.h"
+
+DEFINE_FFF_GLOBALS;
+
+int update_main( void );
+
+int main(void)
+{
+    
+   init_tests(); // will reset common and hook errors to asserts
+   
+   sensor_init_fake.return_val = true;
+   display_init_fake.return_val = true;
+   
+   update_main();
+   
+   assert( sensor_init_fake.call_count == 1 );
+   assert( display_init_fake.call_count == 1 );
+   assert( display_update_fake.call_count == 1 );
+   
+   printf("Test " __FILE__ " ok\n");
+   return 0;
+
+}
+ 

examples/weak_linking/test/sensor.fake.c

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+
+
+#include "sensor.fake.h"
+DEFINE_FAKE_VALUE_FUNC( bool, sensor_init );
+DEFINE_FAKE_VALUE_FUNC( float, sensor_read );
+
+void TEST_sensor_generate_data( char* buffer, float value )
+{
+   buffer[0] = 0x10;
+   buffer[1] = (int)(value);
+   buffer[2] = (value - buffer[1])*255;
+}

examples/weak_linking/test/sensor.fake.h

@@ -0,0 +1,13 @@
+
+#ifndef _AUTOMOCK_SENSOR_H
+#define _AUTOMOCK_SENSOR_H
+
+#include "fff.h"
+#include "sensor.h"
+
+DECLARE_FAKE_VALUE_FUNC( bool, sensor_init );
+DECLARE_FAKE_VALUE_FUNC( float, sensor_read );
+
+void TEST_sensor_generate_data( char* buffer, float value );
+
+#endif // _AUTOMOCK_SENSOR_H

examples/weak_linking/test/sensor.test.c

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+#include <stdio.h>
+#include "test_common.h"
+#include "sensor.h"
+#include "sensor.fake.h"
+
+DEFINE_FFF_GLOBALS;
+
+
+int main(void)
+{
+   init_tests(); 
+   
+   assert( sensor_init() == true );
+   
+
+   TEST_sensor_generate_data( GLOBAL_TEST_bus_read_ret, 1.5f );
+   float value = sensor_read();
+   float value_error = value - 1.5f;
+   assert( value_error < 0.1f && value_error > -0.1f );
+   printf("Test " __FILE__ " ok\n");
+   return 0;
+}

examples/weak_linking/test/test_common.c

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+#include "test_common.h"
+#include <assert.h>
+#include <stdio.h>
+
+char GLOBAL_TEST_bus_read_ret[32];
+
+
+void spoof_runtime_error( const char* info )
+{
+    fprintf(stderr, "Runtime error: %s\n", info );
+    assert(0);
+}
+
+bool spoof_bus_read_write( uint8_t dev, uint8_t registry, uint8_t* buffer, int len, bool assume_echo )
+{
+    memcpy( buffer, GLOBAL_TEST_bus_read_ret, len );
+    fprintf(stderr, "bus spoof %d %d\n", (int)dev, (int)registry );
+    return true;
+}
+
+void init_tests()
+{
+    memset( GLOBAL_TEST_bus_read_ret, 0x00, sizeof(GLOBAL_TEST_bus_read_ret));
+    FFF_RESET_HISTORY();
+    
+    RESET_FAKE(bus_read_write);
+    RESET_FAKE(bus_write);
+    RESET_FAKE(runtime_error);
+    
+    runtime_error_fake.custom_fake = spoof_runtime_error;
+    bus_read_write_fake.custom_fake = spoof_bus_read_write;
+    bus_write_fake.return_val = true;
+}

examples/weak_linking/test/test_common.h

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+#pragma once
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "fff.h"
+#include "bus.fake.h"
+#include "error.fake.h"
+
+
+void init_tests();
+
+extern char GLOBAL_TEST_bus_read_ret[32];