test(generator): added first snapshot test of with class

Author: tpluscode

app.hypermedia.testing.dsl/pom.xml

@@ -236,5 +236,15 @@
 			<artifactId>commons-io</artifactId>
 			<version>2.5</version>
 		</dependency>
+		<dependency>
+		    <groupId>io.github.json-snapshot</groupId>
+		    <artifactId>json-snapshot</artifactId>
+		    <version>1.0.17</version>
+		</dependency>
+		<dependency>
+		    <groupId>org.json</groupId>
+		    <artifactId>json</artifactId>
+		    <version>20180813</version>
+		</dependency>
 	</dependencies>
 </project>

app.hypermedia.testing.dsl/src/test/java/app/hypermedia/testing/dsl/tests/CoreGeneratorTest.snap

@@ -0,0 +1,23 @@
+app.hypermedia.testing.dsl.tests.CoreGeneratorTest.emptyWithClass_generatesStep=[
+  {
+    "map": {
+      "steps": {
+        "myArrayList": [
+          {
+            "map": {
+              "children": {
+                "myArrayList": [ ],
+                "empty": true
+              },
+              "classId": "Foo",
+              "type": "Class"
+            },
+            "empty": false
+          }
+        ],
+        "empty": false
+      }
+    },
+    "empty": false
+  }
+]

app.hypermedia.testing.dsl/src/test/java/app/hypermedia/testing/dsl/tests/CoreGeneratorTest.xtend

@@ -0,0 +1,61 @@
+package app.hypermedia.testing.dsl.tests
+
+import org.eclipse.xtext.generator.InMemoryFileSystemAccess
+import org.junit.jupiter.api.^extension.ExtendWith
+import org.eclipse.xtext.testing.extensions.InjectionExtension
+import org.eclipse.xtext.testing.InjectWith
+import com.google.inject.Inject
+import org.eclipse.xtext.testing.util.ParseHelper
+import app.hypermedia.testing.dsl.core.Model
+import org.junit.jupiter.api.Test
+import static io.github.jsonSnapshot.SnapshotMatcher.*
+import org.eclipse.xtext.util.CancelIndicator
+import org.eclipse.xtext.generator.IGeneratorContext
+import org.eclipse.xtext.generator.IGenerator2
+import org.junit.jupiter.api.BeforeAll
+import org.junit.jupiter.api.AfterAll
+import org.json.JSONObject
+
+@ExtendWith(InjectionExtension)
+@InjectWith(CoreInjectorProvider)
+class CoreGeneratorTest {
+	@Inject IGenerator2 generator
+	@Inject	ParseHelper<Model> parseHelper
+	
+	@BeforeAll
+    static def beforeAll() {
+        start()
+    }
+    
+    @AfterAll
+    static def afterAll() {
+        validateSnapshots();
+    }
+	
+	@Test
+	def emptyWithClass_generatesStep() {
+		// given
+		val model = parseHelper.parse('''
+			With Class "Foo" {
+				
+			}
+		''')
+		
+		// when
+		val fsa = new InMemoryFileSystemAccess()
+        generator.doGenerate(model.eResource, fsa, new GeneratorContext())
+        println(fsa.textFiles)
+        
+        // then
+        val file = new JSONObject(fsa.textFiles.values.get(0).toString)
+        expect(file).toMatchSnapshot()
+	}
+	
+	private static class GeneratorContext implements IGeneratorContext {
+		
+		override getCancelIndicator() {
+			return CancelIndicator.NullImpl 
+		}
+		
+	}
+}