diff --git a/docs/reference-index.md b/docs/reference-index.md index 1b85cfb..01d2799 100644 --- a/docs/reference-index.md +++ b/docs/reference-index.md @@ -6,6 +6,7 @@ Before looking at this material be sure to read the [tutorial](tutorial.md) * [Assertion Macros](assertions.md) * [Logging Macros](logging.md) * [Supplying your own main()](own-main.md) +* [Test fixtures](test-fixtures.md) --- diff --git a/docs/test-fixtures.md b/docs/test-fixtures.md new file mode 100644 index 0000000..769f8a3 --- /dev/null +++ b/docs/test-fixtures.md @@ -0,0 +1,32 @@ +Although Catch allows you to group tests together as sections within a test case, it can still convenient, sometimes, to group them using a more traditional test fixture. Catch fully supports this too. You define the test fixture as a simple structure: + +```c++ +class UniqueTestsFixture { + private: + static int uniqueID; + protected: + DBConnection conn; + public: + UniqueTestsFixture() : conn(DBConnection::createConnection("myDB")) { + } + protected: + int getID() { + return ++uniqueID; + } + }; + + int UniqueTestsFixture::uniqueID = 0; + + TEST_CASE_METHOD(UniqueTestsFixture, "Create Employee/No Name", "[create]") { + REQUIRE_THROWS(conn.executeSQL("INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "")); + } + TEST_CASE_METHOD(UniqueTestsFixture, "Create Employee/Normal", "[create]") { + REQUIRE(conn.executeSQL("INSERT INTO employee (id, name) VALUES (?, ?)", getID(), "Joe Bloggs")); + } +``` + +The two test cases here will create uniquely-named derived classes of UniqueTestsFixture and thus can access the `getID()` protected method and `conn` member variables. This ensures that both the test cases are able to create a DBConnection using the same method (DRY principle) and that any ID's created are unique such that the order that tests are executed does not matter. + +--- + +[Home](../README.md) \ No newline at end of file