Added example

*  Added example that uses unity test fixture

examples/example_2/makefile

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+# ==========================================
+#   Unity Project - A Test Framework for C
+#   Copyright (c) 2007 Mike Karlesky, Mark VanderVoord, Greg Williams
+#   [Released under MIT License. Please refer to license.txt for details]
+# ==========================================
+
+UNITY_ROOT=../..
+C_COMPILER=gcc
+TARGET_BASE1=all_tests
+ifeq ($(OS),Windows_NT)
+	TARGET_EXTENSION=.exe
+else
+	TARGET_EXTENSION=.out
+endif
+TARGET1 = $(TARGET_BASE1)$(TARGET_EXTENSION)
+SRC_FILES1=$(UNITY_ROOT)/src/unity.c $(UNITY_ROOT)/extras/fixture/src/unity_fixture.c src/ProductionCode.c src/ProductionCode2.c test/TestProductionCode.c test/TestProductionCode2.c test/test_runners/TestProductionCode_Runner.c test/test_runners/TestProductionCode2_Runner.c test/test_runners/all_tests.c
+INC_DIRS=-Isrc -I$(UNITY_ROOT)/src -I$(UNITY_ROOT)/extras/fixture/src
+SYMBOLS=
+
+ifeq ($(OS),Windows_NT)
+	CLEANUP = del /F /Q $(TARGET1)
+else
+	CLEANUP = rm -f build/*.o ; rm -f $(TARGET1)
+endif
+
+all: clean default
+
+default:
+#	ruby auto/generate_test_runner.rb test/TestProductionCode.c  test/test_runners/TestProductionCode_Runner.c
+#	ruby auto/generate_test_runner.rb test/TestProductionCode2.c test/test_runners/TestProductionCode2_Runner.c
+	$(C_COMPILER) $(INC_DIRS) $(SYMBOLS) $(SRC_FILES1) -o $(TARGET1)
+	./$(TARGET1)
+
+clean:
+	$(CLEANUP)
+

examples/example_2/readme.txt

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+Example 2
+=========
+
+Same as the first example, but now using Unity's test fixture to group tests
+together.

examples/example_2/src/ProductionCode.c

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+
+#include "ProductionCode.h"
+
+int Counter = 0;
+int NumbersToFind[9] = { 0, 34, 55, 66, 32, 11, 1, 77, 888 }; //some obnoxious array to search that is 1-based indexing instead of 0.
+
+// This function is supposed to search through NumbersToFind and find a particular number.  
+// If it finds it, the index is returned.  Otherwise 0 is returned which sorta makes sense since 
+// NumbersToFind is indexed from 1.  Unfortunately it's broken 
+// (and should therefore be caught by our tests)
+int FindFunction_WhichIsBroken(int NumberToFind)
+{
+    int i = 0;
+    while (i <= 8) //Notice I should have been in braces
+        i++;
+        if (NumbersToFind[i] == NumberToFind) //Yikes!  I'm getting run after the loop finishes instead of during it!
+            return i;
+    return 0;
+}
+
+int FunctionWhichReturnsLocalVariable(void)
+{
+    return Counter;
+}

examples/example_2/src/ProductionCode.h

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+
+int FindFunction_WhichIsBroken(int NumberToFind);
+int FunctionWhichReturnsLocalVariable(void);

examples/example_2/src/ProductionCode2.c

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+
+#include "ProductionCode2.h"
+
+char* ThisFunctionHasNotBeenTested(int Poor, char* LittleFunction)
+{
+  //Since There Are No Tests Yet, This Function Could Be Empty For All We Know.
+  // Which isn't terribly useful... but at least we put in a TEST_IGNORE so we won't forget
+  return (char*)0;
+}

examples/example_2/src/ProductionCode2.h

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+
+char* ThisFunctionHasNotBeenTested(int Poor, char* LittleFunction);

examples/example_2/test/TestProductionCode.c

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+#include "ProductionCode.h"
+#include "unity.h"
+#include "unity_fixture.h"
+
+TEST_GROUP(ProductionCode);
+
+//sometimes you may want to get at local data in a module.
+//for example: If you plan to pass by reference, this could be useful
+//however, it should often be avoided
+extern int Counter;
+
+TEST_SETUP(ProductionCode)
+{
+  //This is run before EACH TEST
+  Counter = 0x5a5a;
+}
+
+TEST_TEAR_DOWN(ProductionCode)
+{
+}
+
+TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode)
+{
+  //All of these should pass
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(78));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(1));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(33));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(999));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(-1));
+}
+
+TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken)
+{
+  // You should see this line fail in your test summary
+  TEST_ASSERT_EQUAL(1, FindFunction_WhichIsBroken(34));
+
+  // Notice the rest of these didn't get a chance to run because the line above failed.
+  // Unit tests abort each test function on the first sign of trouble.
+  // Then NEXT test function runs as normal.
+  TEST_ASSERT_EQUAL(8, FindFunction_WhichIsBroken(8888));
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue)
+{
+    //This should be true because setUp set this up for us before this test
+    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
+
+    //This should be true because we can still change our answer
+    Counter = 0x1234;
+    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain)
+{
+    //This should be true again because setup was rerun before this test (and after we changed it to 0x1234)
+    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed)
+{
+    //Sometimes you get the test wrong.  When that happens, you get a failure too... and a quick look should tell
+    // you what actually happened...which in this case was a failure to setup the initial condition.
+    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
+}

examples/example_2/test/TestProductionCode2.c

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+#include "ProductionCode2.h"
+#include "unity.h"
+#include "unity_fixture.h"
+
+TEST_GROUP(ProductionCode2);
+
+/* These should be ignored because they are commented out in various ways:
+#include "whatever.h"
+*/
+//#include "somethingelse.h"
+
+TEST_SETUP(ProductionCode2)
+{
+}
+
+TEST_TEAR_DOWN(ProductionCode2)
+{
+}
+
+TEST(ProductionCode2, IgnoredTest)
+{
+    TEST_IGNORE_MESSAGE("This Test Was Ignored On Purpose");
+}
+
+TEST(ProductionCode2, AnotherIgnoredTest)
+{
+    TEST_IGNORE_MESSAGE("These Can Be Useful For Leaving Yourself Notes On What You Need To Do Yet");
+}
+
+TEST(ProductionCode2, ThisFunctionHasNotBeenTested_NeedsToBeImplemented)
+{
+    TEST_IGNORE(); //Like This
+}

examples/example_2/test/test_runners/TestProductionCode2_Runner.c

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+#include "unity.h"
+#include "unity_fixture.h"
+
+TEST_GROUP_RUNNER(ProductionCode2)
+{
+  RUN_TEST_CASE(ProductionCode2, IgnoredTest);
+  RUN_TEST_CASE(ProductionCode2, AnotherIgnoredTest);
+  RUN_TEST_CASE(ProductionCode2, ThisFunctionHasNotBeenTested_NeedsToBeImplemented);
+}

examples/example_2/test/test_runners/TestProductionCode_Runner.c

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+#include "unity.h"
+#include "unity_fixture.h"
+
+TEST_GROUP_RUNNER(ProductionCode)
+{
+  RUN_TEST_CASE(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode);
+  RUN_TEST_CASE(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken);
+  RUN_TEST_CASE(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue);
+  RUN_TEST_CASE(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain);
+  RUN_TEST_CASE(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed);
+}

examples/example_2/test/test_runners/all_tests.c

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+#include "unity_fixture.h"
+
+static void RunAllTests(void)
+{
+  RUN_TEST_GROUP(ProductionCode);
+  RUN_TEST_GROUP(ProductionCode2);
+}
+
+int main(int argc, char * argv[])
+{
+  return UnityMain(argc, argv, RunAllTests);
+}