Good job with the unit testing Benjamin. OJ could definitely use more
unit testing!
Landon
On Fri, Jan 13, 2012 at 4:16 AM, Benjamin Gudehus
<hasteb...@googlemail.com> wrote:
> Hi!
>
> I've committed the first unit test for a plugin at revision 2614.
> org.openjump.core.ui.plugin.tools.UnionByAttributePlugInTest
>
> There is only one single test case, but more will follow.
> Since I really like to practicise behaviour-driven development (BDD),
> I've tried to adapt given-when-then like scenarios via comments.
>
> Here is a small snipped of code to get an impression on how a
> test case looks:
>
> @Test
> public void testAddedResultLayer() throws Exception {
> // given: "a loaded shapefile fixture"
> File fixture = new File("src/fixtures/dissolve.jml");
> TestTools.openFile(fixture, workbench.getContext());
>
> // and: "plugin with dialog values"
> PlugIn plugin = new UnionByAttributePlugIn();
> LayerManager layerManager = workbench.getContext().getLayerManager();
> HashMap<String, Object> parameters = new HashMap<String, Object>();
> parameters.put("layer", layerManager.getLayer("dissolve"));
> parameters.put("use_attribute", true);
> parameters.put("attribute", "LABEL");
> parameters.put("ignore_empty", false);
> parameters.put("merge_linestrings", false);
> parameters.put("aggregate_unused_fields", false);
> TestTools.configurePlugIn(plugin, parameters);
>
> // when: "union by attribute is called"
> TestTools.executePlugIn(plugin, workbench.getContext());
>
> // then: "layer manager contains the source and result layer"
> assertEquals(2, layerManager.getLayers().size());
> //Thread.sleep(Integer.MAX_VALUE);
> }
>
> How to run a test:
> 1. Open UnionByAttributePlugInTest in Eclipse (CTRL+SHIFT+T helps)
> 2. Menubar: Run > Run As > JUnit Test
> (/lib/junit.jar must be in the classpath)
>
> Greetings
> Benjamin
>
> P.S.:
> Some of the concepts of BDD are described practically in [1].
> The description is from the documentation for Spock, an
> specification framework for the programming language Groovy.
> [1] http://code.google.com/p/spock/wiki/SpockBasics
>
>
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