Add API to get a specific class in the application.

Signed-off-by: Rahul Krishna <[email protected]>

Author: rahlk

package.json

@@ -13,7 +13,7 @@
   "homepage": "https://github.com/codellm-devkit/typescript-sdk#readme",
   "scripts": {
     "build": "bun build ./src/index.ts --outdir ./dist",
-    "test": "bun test --coverage --coverage-reporter=lcov --preload ./test/conftest.ts --timeout=600000 --verbose",
+    "test": "bun test --verbose --coverage --coverage-reporter=lcov --preload ./test/conftest.ts --timeout=600000",
     "clean": "rm -rf dist coverage *.lock"
   },
   "files": [

test/unit/analysis/java/JavaAnalysis.test.ts

@@ -17,15 +17,24 @@ test("Must get Symbol Table", async () => {
 });
 
 test("Must get all classes in a Java application", async () => {
-  expect(await daytraderJavaAnalysis.getAllClasses()).toBeDefined();
+  await expect(daytraderJavaAnalysis.getAllClasses()).toBeDefined();
 });
 
 test("Must get a specific class the application", async () => {
   const tradeDirectObject = await daytraderJavaAnalysis.getClassByQualifiedName("com.ibm.websphere.samples.daytrader.impl.direct.TradeDirect");
-  console.log(tradeDirectObject);
   expect(async () => JType.parse(tradeDirectObject)).not.toThrow(); 
 });
 
+test("Must throw error when a requested class in the application does not exist", async () => {
+  /**
+   * Quick note to self: There is a subtle difference between await expect(...) and expect(await ...)
+   * When there is an error, the reject happens even before the expect can be honored. So instead, we await the expect
+   * by saying "Hey, I expect this promise to be rejected with this error ..." 
+   */
+  await expect(daytraderJavaAnalysis.getClassByQualifiedName("this.class.does.not.Exist")).rejects.toThrow(
+    "Class this.class.does.not.Exist not found in the application."); 
+});
+
 test("Must get all methods in the application", () => {
   return daytraderJavaAnalysis.getAllMethods().then((methods) => {
     expect(methods).toBeDefined()