Add tests around namespaceToJavaPackageParts()

1 files changed, 48 insertions, 0 deletions

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaGeneratorTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaGeneratorTests.java
new file mode 100644
index 0000000..9cbd5d9
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaGeneratorTests.java
@@ -0,0 +1,48 @@
+package org.zwobble.hobgoblin.compiler.output.lang.java;
+
+import org.junit.jupiter.api.Test;
+import org.zwobble.hobgoblin.compiler.output.generators.java.JavaGenerator;
+import org.zwobble.hobgoblin.compiler.output.generators.java.JavaGeneratorConfig;
+import org.zwobble.hobgoblin.compiler.output.generators.java.JavaNamespaceConfig;
+import org.zwobble.hobgoblin.compiler.types.NamespaceName;
+
+import java.util.List;
+import java.util.Map;
+
+import static org.zwobble.precisely.AssertThat.assertThat;
+import static org.zwobble.precisely.Matchers.equalTo;
+
+public class JavaGeneratorTests {
+    @Test
+    public void defaultJavaPackageIsUsedForNamespacesWithoutExplicitMapping() {
+        var config = new JavaGeneratorConfig(
+            List.of("com", "example"),
+            Map.of(),
+            Map.of()
+        );
+        var generator = new JavaGenerator(config);
+
+        var result = generator.namespaceToJavaPackageParts(NamespaceName.of("a", "b"));
+
+        assertThat(result, equalTo(List.of("com", "example", "a", "b")));
+    }
+
+    @Test
+    public void explicitJavaPackageIsUsedForNamespaceWhenAvailable() {
+        var config = new JavaGeneratorConfig(
+            List.of("com", "example"),
+            Map.ofEntries(
+                Map.entry(
+                    NamespaceName.of("a", "b"),
+                    new JavaNamespaceConfig(List.of("com", "other"))
+                )
+            ),
+            Map.of()
+        );
+        var generator = new JavaGenerator(config);
+
+        var result = generator.namespaceToJavaPackageParts(NamespaceName.of("a", "b"));
+
+        assertThat(result, equalTo(List.of("com", "other")));
+    }
+}