[
https://jira.codehaus.org/browse/JBEHAVE-720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Work on JBEHAVE-720 started by Mauro Talevi.
> Allow parametrisation of scenarios by delimited names
> -----------------------------------------------------
>
> Key: JBEHAVE-720
> URL: https://jira.codehaus.org/browse/JBEHAVE-720
> Project: JBehave
> Issue Type: Improvement
> Components: Core
> Affects Versions: 3.5.4
> Reporter: Rui Figueira
> Assignee: Mauro Talevi
> Fix For: 3.6
>
> Attachments: StepCreator.java
>
>
> I'm working on a simplification of the current parameterized scenario
> solution. With this I want to:
> * avoid the need of defining two different patterns for steps, one for
> normal scenarios, and another for parameterized scenarios.
> * be able to use column names in Examples tables that differ from the
> parameter names that were specified in the step annotation
> * avoid having to annotate fields with @Named in parameterized step methods
> Take the following steps and scenario, for example:
>
> {code:title=ParameterizedStory.java}
> public class ParameterizedStory extends JUnitStory {
> public static class ParamsSteps {
>
> private String user;
> private Set<String> products; // null means no cart...
> @BeforeScenario
> public void init() {
> user = null;
> products = null;
> }
>
> @Given("$user is logged in")
> public void loggedIn(String user) {
> this.user = user;
> }
>
> @Given("$customer has a cart")
> public void aCustomerHasACart(String customer) {
> assertThat(user, notNullValue());
> assertThat(customer, equalTo(user));
> if (products == null) products = new TreeSet<String>();
> }
>
> @When("a $product is added to the cart")
> public void aProductIsAddedToCart(String product) {
> assertThat(products, notNullValue());
> products.add(product);
> }
>
> @Then("cart contains $product")
> public void cartContains(String product) {
> assertThat(products, notNullValue());
> assertTrue(products.contains(product));
> }
> }
> public ParameterizedStory() {
> // Making sure this doesn't output to the build while it's running
> useConfiguration(new MostUsefulConfiguration()
> .useStoryReporterBuilder(new StoryReporterBuilder()
> .withFormats(Format.CONSOLE)
> .withFailureTrace(true)
> .withFailureTraceCompression(false))
> .usePendingStepStrategy(new FailingUponPendingStep())
> .useFailureStrategy(new RethrowingFailure()));
> }
>
> @Override
> public List<CandidateSteps> candidateSteps() {
> return new InstanceStepsFactory(configuration(), new
> ParamsSteps()).createCandidateSteps();
> }
> }
> {code}
> {code:title=parameterized_story.story}
> Scenario: Use flexible parameters with examples table
> Given <client> is logged in
> And <client> has a cart
> When a <item> is added to the cart
> Then cart contains <item>
> Examples:
> |client|item|
> |Rui|chocolate|
> |Figueira|car|
> {code}
> The "Given $user is logged in" step pattern will match "Given <client> is
> logged in", and user parameter will be set to client column values.
> The main idea is that <client>, instead of represent a named parameter,
> represents a placeholder, and that placeholder should be replaced with
> whether value exists for it in the examples table. Then, after replacing the
> placeholder with the corresponding value, it will then match with the given
> step pattern, and $user will be set to the correct value.
> I have a working version available at
> https://github.com/ruifigueira/jbehave-core/commit/a4107a3ac899c4b952746781f785cba9a97c659c,
> that can be used to test the scenario above.
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