fix(go): invalid code when a module only has static methods [test onl…

…y] (#2704)

This was already fixed by #2622. This PR introduces a test to avoid regression.

Fixes #2617

packages/jsii-calc/lib/index.ts

@@ -12,6 +12,7 @@ export * as submodule from './submodule';
 export * as onlystatic from './only-static';
 export * as nodirect from './no-direct-types';
 export * as module2647 from './module2647';
+export * as module2617 from './module2617';
 export * as module2689 from './module2689';
 export * as module2692 from './module2692';
 export * as module2530 from './module2530';

packages/jsii-calc/lib/module2617/index.ts

@@ -0,0 +1,11 @@
+// @see https://github.com/aws/jsii/issues/2617
+
+export class OnlyStatics {
+  public static foo() {
+    return;
+  }
+  public static bar() {
+    return;
+  }
+  private constructor() {}
+}

packages/jsii-calc/test/assembly.jsii

@@ -214,7 +214,13 @@
     "jsii-calc.module2530": {
       "locationInModule": {
         "filename": "lib/index.ts",
-        "line": 17
+        "line": 18
+      }
+    },
+    "jsii-calc.module2617": {
+      "locationInModule": {
+        "filename": "lib/index.ts",
+        "line": 15
       }
     },
     "jsii-calc.module2647": {
@@ -226,7 +232,7 @@
     "jsii-calc.module2689": {
       "locationInModule": {
         "filename": "lib/index.ts",
-        "line": 15
+        "line": 16
       }
     },
     "jsii-calc.module2689.methods": {
@@ -256,7 +262,7 @@
     "jsii-calc.module2692": {
       "locationInModule": {
         "filename": "lib/index.ts",
-        "line": 16
+        "line": 17
       }
     },
     "jsii-calc.module2692.submodule1": {
@@ -14251,6 +14257,44 @@
       "name": "MyClass",
       "namespace": "module2530"
     },
+    "jsii-calc.module2617.OnlyStatics": {
+      "assembly": "jsii-calc",
+      "docs": {
+        "stability": "stable"
+      },
+      "fqn": "jsii-calc.module2617.OnlyStatics",
+      "kind": "class",
+      "locationInModule": {
+        "filename": "lib/module2617/index.ts",
+        "line": 3
+      },
+      "methods": [
+        {
+          "docs": {
+            "stability": "stable"
+          },
+          "locationInModule": {
+            "filename": "lib/module2617/index.ts",
+            "line": 7
+          },
+          "name": "bar",
+          "static": true
+        },
+        {
+          "docs": {
+            "stability": "stable"
+          },
+          "locationInModule": {
+            "filename": "lib/module2617/index.ts",
+            "line": 4
+          },
+          "name": "foo",
+          "static": true
+        }
+      ],
+      "name": "OnlyStatics",
+      "namespace": "module2617"
+    },
     "jsii-calc.module2647.ExtendAndImplement": {
       "assembly": "jsii-calc",
       "base": "@scope/jsii-calc-lib.BaseFor2647",
@@ -15422,5 +15466,5 @@
     }
   },
   "version": "3.20.120",
-  "fingerprint": "hBZRskNm0XPeSO9U+PMqKKVZ2faqmKnE9eVN2tY1Wik="
+  "fingerprint": "NN/7JA2G5+NzNqrZC0MowhGB3DS5OlSmsNIF8KMR7Kg="
 }