✅ Added tests for preprocessing feature

assets/tests_with_preprocessing/src/adc_hardwareA.c

@@ -0,0 +1,17 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "adc_hardwareA.h"
+#include "adc_hardware_configuratorA.h"
+
+void AdcHardware_Init(void)
+{
+  // Reusing outer test file preprocessing symbol to prevent linking failure
+  #ifdef PREPROCESSING_TESTS
+  Adc_Reset();
+  #endif
+}

assets/tests_with_preprocessing/src/adc_hardwareA.h

@@ -0,0 +1,13 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARE_H
+#define _ADCHARDWARE_H
+
+void AdcHardware_Init(void);
+
+#endif // _ADCHARDWARE_H

assets/tests_with_preprocessing/src/adc_hardwareB.c

@@ -0,0 +1,14 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "adc_hardwareB.h"
+#include "adc_hardware_configuratorB.h"
+
+void AdcHardware_Init(void)
+{
+  Adc_Reset();
+}

assets/tests_with_preprocessing/src/adc_hardwareB.h

@@ -0,0 +1,13 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARE_H
+#define _ADCHARDWARE_H
+
+void AdcHardware_Init(void);
+
+#endif // _ADCHARDWARE_H

assets/tests_with_preprocessing/src/adc_hardwareC.c

@@ -0,0 +1,14 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "adc_hardwareC.h"
+#include "adc_hardware_configuratorC.h"
+
+void AdcHardware_Init(void)
+{
+  Adc_Reset();
+}

assets/tests_with_preprocessing/src/adc_hardwareC.h

@@ -0,0 +1,13 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARE_H
+#define _ADCHARDWARE_H
+
+void AdcHardware_Init(void);
+
+#endif // _ADCHARDWARE_H

assets/tests_with_preprocessing/src/adc_hardware_configuratorA.h

@@ -0,0 +1,13 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARECONFIGURATOR_H
+#define _ADCHARDWARECONFIGURATOR_H
+
+void Adc_Reset(void);
+
+#endif // _ADCHARDWARECONFIGURATOR_H

assets/tests_with_preprocessing/src/adc_hardware_configuratorB.h

@@ -0,0 +1,15 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARECONFIGURATOR_H
+#define _ADCHARDWARECONFIGURATOR_H
+
+#ifdef PREPROCESSING_MOCKS
+void Adc_Reset(void);
+#endif
+
+#endif // _ADCHARDWARECONFIGURATOR_H

assets/tests_with_preprocessing/src/adc_hardware_configuratorC.h

@@ -0,0 +1,15 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#ifndef _ADCHARDWARECONFIGURATOR_H
+#define _ADCHARDWARECONFIGURATOR_H
+
+#ifdef PREPROCESSING_MOCKS
+void Adc_Reset(void);
+#endif
+
+#endif // _ADCHARDWARECONFIGURATOR_H

assets/tests_with_preprocessing/test/test_adc_hardwareA.c

@@ -0,0 +1,41 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "unity.h"
+#include "adc_hardwareA.h"
+#ifdef PREPROCESSING_TESTS
+#include "mock_adc_hardware_configuratorA.h"
+#endif
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+#ifdef PREPROCESSING_TESTS
+void test_init_should_call_adc_reset(void)
+{
+  Adc_Reset_Expect();
+
+  AdcHardware_Init();
+}
+#endif
+
+#ifndef PREPROCESSING_TESTS
+void test_caseA_should_fail(void)
+{
+  TEST_FAIL_MESSAGE("Intentional failure");
+}
+
+void test_caseB_should_fail(void)
+{
+  TEST_FAIL_MESSAGE("Intentional failure");
+}
+#endif

assets/tests_with_preprocessing/test/test_adc_hardwareB.c

@@ -0,0 +1,25 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "unity.h"
+#include "adc_hardwareB.h"
+#include "mock_adc_hardware_configuratorB.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_init_should_call_adc_reset(void)
+{
+  Adc_Reset_Expect();
+
+  AdcHardware_Init();
+}

assets/tests_with_preprocessing/test/test_adc_hardwareC.c

@@ -0,0 +1,29 @@
+/* =========================================================================
+    Ceedling - Test-Centered Build System for C
+    ThrowTheSwitch.org
+    Copyright (c) 2010-24 Mike Karlesky, Mark VanderVoord, & Greg Williams
+    SPDX-License-Identifier: MIT
+========================================================================= */
+
+#include "unity.h"
+#include "adc_hardwareC.h"
+#ifdef PREPROCESSING_TESTS
+#include "mock_adc_hardware_configuratorC.h"
+#endif
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+#ifdef PREPROCESSING_TESTS
+void test_init_should_call_adc_reset(void)
+{
+  Adc_Reset_Expect();
+
+  AdcHardware_Init();
+}
+#endif

spec/spec_system_helper.rb

@@ -440,6 +440,113 @@ def can_test_projects_unity_parameterized_test_cases_with_success
     end
   end
 
+  def can_test_projects_with_preprocessing_for_test_files_symbols_undefined
+    @c.with_context do
+      Dir.chdir @proj_name do
+        FileUtils.cp test_asset_path("tests_with_preprocessing/test/test_adc_hardwareA.c"), 'test/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareA.c"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareA.h"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardware_configuratorA.h"), 'src/'
+        # Rely on undefined symbols in our C files
+        # 2 enabled intentionally failing test cases (no mocks generated)
+        settings = { :project => { :use_test_preprocessor => :tests },
+                   }
+        @c.merge_project_yml_for_test(settings)
+
+        output = `bundle exec ruby -S ceedling test:adc_hardwareA 2>&1`
+        expect($?.exitstatus).to match(1) # Intentional test failure in successful build
+        expect(output).to match(/TESTED:\s+2/)
+        expect(output).to match(/PASSED:\s+0/)
+        expect(output).to match(/FAILED:\s+2/)
+      end
+    end
+  end
+
+  def can_test_projects_with_preprocessing_for_test_files_symbols_defined
+    @c.with_context do
+      Dir.chdir @proj_name do
+        FileUtils.cp test_asset_path("tests_with_preprocessing/test/test_adc_hardwareA.c"), 'test/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareA.c"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareA.h"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardware_configuratorA.h"), 'src/'
+        # 1 enabled passing test case with 1 mock used
+        settings = { :project => { :use_test_preprocessor => :tests },
+                     :defines => { :test => ['PREPROCESSING_TESTS'] }
+                   }
+        @c.merge_project_yml_for_test(settings)
+
+        output = `bundle exec ruby -S ceedling test:adc_hardwareA 2>&1`
+        expect($?.exitstatus).to match(0) # Successful build and tests
+        expect(output).to match(/TESTED:\s+1/)
+        expect(output).to match(/PASSED:\s+1/)
+        expect(output).to match(/FAILED:\s+0/)
+      end
+    end
+  end
+
+  def can_test_projects_with_preprocessing_for_mocks_success
+    @c.with_context do
+      Dir.chdir @proj_name do
+        FileUtils.cp test_asset_path("tests_with_preprocessing/test/test_adc_hardwareB.c"), 'test/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareB.c"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareB.h"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardware_configuratorB.h"), 'src/'
+        # 1 test case with 1 mocked function
+        settings = { :project => { :use_test_preprocessor => :mocks },
+                     :defines => { :test => ['PREPROCESSING_MOCKS'] }
+                   }
+        @c.merge_project_yml_for_test(settings)
+
+        output = `bundle exec ruby -S ceedling test:adc_hardwareB 2>&1`
+        expect($?.exitstatus).to match(0) # Successful build and tests
+        expect(output).to match(/TESTED:\s+1/)
+        expect(output).to match(/PASSED:\s+1/)
+        expect(output).to match(/FAILED:\s+0/)
+      end
+    end
+  end
+
+  def can_test_projects_with_preprocessing_for_mocks_intentional_build_failure
+    @c.with_context do
+      Dir.chdir @proj_name do
+        FileUtils.cp test_asset_path("tests_with_preprocessing/test/test_adc_hardwareB.c"), 'test/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareB.c"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareB.h"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardware_configuratorB.h"), 'src/'
+        # 1 test case with a missing mocked function
+        settings = { :project => { :use_test_preprocessor => :mocks }
+                   }
+        @c.merge_project_yml_for_test(settings)
+
+        output = `bundle exec ruby -S ceedling test:adc_hardwareB 2>&1`
+        expect($?.exitstatus).to match(1) # Failing build because of missing mock
+        expect(output).to match(/undefined reference to `Adc_Reset_Expect'/)
+      end
+    end
+  end
+
+  def can_test_projects_with_preprocessing_all
+    @c.with_context do
+      Dir.chdir @proj_name do
+        FileUtils.cp test_asset_path("tests_with_preprocessing/test/test_adc_hardwareC.c"), 'test/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareC.c"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardwareC.h"), 'src/'
+        FileUtils.cp test_asset_path("tests_with_preprocessing/src/adc_hardware_configuratorC.h"), 'src/'
+        # 1 test case using 1 mock
+        settings = { :project => { :use_test_preprocessor => :all },
+                     :defines => { :test => ['PREPROCESSING_TESTS', 'PREPROCESSING_MOCKS'] }
+                   }
+        @c.merge_project_yml_for_test(settings)
+
+        output = `bundle exec ruby -S ceedling test:adc_hardwareC 2>&1`
+        expect($?.exitstatus).to match(0) # Successful build and tests
+        expect(output).to match(/TESTED:\s+1/)
+        expect(output).to match(/PASSED:\s+1/)
+        expect(output).to match(/FAILED:\s+0/)
+      end
+    end
+  end
+
   def can_test_projects_with_fail
     @c.with_context do
       Dir.chdir @proj_name do

spec/system/deployment_as_gem_spec.rb

@@ -37,6 +37,11 @@
     it { can_test_projects_with_success_test_alias }
     it { can_test_projects_with_test_name_replaced_defines_with_success }
     it { can_test_projects_unity_parameterized_test_cases_with_success }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_undefined }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_defined }
+    it { can_test_projects_with_preprocessing_for_mocks_success }
+    it { can_test_projects_with_preprocessing_for_mocks_intentional_build_failure }
+    it { can_test_projects_with_preprocessing_all }
     it { can_test_projects_with_success_default }
     it { can_test_projects_with_unity_exec_time }
     it { can_test_projects_with_test_and_vendor_defines_with_success }

spec/system/deployment_as_vendor_spec.rb

@@ -38,6 +38,11 @@
     it { can_test_projects_with_success_test_alias }
     it { can_test_projects_with_test_name_replaced_defines_with_success }
     it { can_test_projects_unity_parameterized_test_cases_with_success }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_undefined }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_defined }
+    it { can_test_projects_with_preprocessing_for_mocks_success }
+    it { can_test_projects_with_preprocessing_for_mocks_intentional_build_failure }
+    it { can_test_projects_with_preprocessing_all }
     it { can_test_projects_with_success_default }
     it { can_test_projects_with_unity_exec_time }
     it { can_test_projects_with_test_and_vendor_defines_with_success }
@@ -94,6 +99,11 @@
     it { can_test_projects_with_success_test_alias }
     it { can_test_projects_with_test_name_replaced_defines_with_success }
     it { can_test_projects_unity_parameterized_test_cases_with_success }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_undefined }
+    it { can_test_projects_with_preprocessing_for_test_files_symbols_defined }
+    it { can_test_projects_with_preprocessing_for_mocks_success }
+    it { can_test_projects_with_preprocessing_for_mocks_intentional_build_failure }
+    it { can_test_projects_with_preprocessing_all }
     it { can_test_projects_with_success_default }
     it { can_test_projects_with_unity_exec_time }
     it { can_test_projects_with_test_and_vendor_defines_with_success }