add reexported test to PackageExports test

Author: erik-krogh

javascript/ql/test/library-tests/PackageExports/lib1/reexport/a.js

@@ -0,0 +1,3 @@
+module.exports = {
+    reexported: function reexported() {}
+}

javascript/ql/test/library-tests/PackageExports/lib1/reexport/b.js

@@ -0,0 +1,6 @@
+const a = require("./a");
+
+module.exports = {
+    base: function base() {},
+    ...a
+}

javascript/ql/test/library-tests/PackageExports/tests.expected

@@ -43,3 +43,18 @@ getAnExportedValue
 | lib1/main.js:1:1:17:30 | <toplevel> | Baz | lib1/main.js:17:22:17:30 | new Baz() |
 | lib1/main.js:1:1:17:30 | <toplevel> | bar | lib1/main.js:5:22:9:1 | class B ... () {}\\n} |
 | lib1/main.js:1:1:17:30 | <toplevel> | foo | lib1/main.js:3:22:3:40 | require("./foo.js") |
+| lib1/reexport/a.js:1:1:3:1 | <toplevel> | reexported | lib1/reexport/a.js:2:17:2:40 | functio ... ed() {} |
+| lib1/reexport/b.js:1:1:6:1 | <toplevel> | base | lib1/reexport/b.js:4:11:4:28 | function base() {} |
+| lib1/reexport/b.js:1:1:6:1 | <toplevel> | reexported | lib1/reexport/a.js:2:17:2:40 | functio ... ed() {} |
+exports
+| Baz | lib1/main.js:17:1:17:18 | module.exports.Baz | lib1/main.js:1:1:17:30 | <toplevel> |
+| bar | lib1/baz.js:4:5:4:26 | bar: fu ... ar() {} | lib1/baz.js:1:1:5:1 | <toplevel> |
+| bar | lib1/main.js:5:1:5:18 | module.exports.bar | lib1/main.js:1:1:17:30 | <toplevel> |
+| base | lib1/reexport/b.js:4:5:4:28 | base: f ... se() {} | lib1/reexport/b.js:1:1:6:1 | <toplevel> |
+| exported | esmodules/main.js:1:1:1:29 | export  ... ed() {} | esmodules/main.js:1:1:4:0 | <toplevel> |
+| foo | absent_main/index.js:1:1:1:18 | module.exports.foo | absent_main/index.js:1:1:2:0 | <toplevel> |
+| foo | lib1/baz.js:3:5:3:26 | foo: fu ... oo() {} | lib1/baz.js:1:1:5:1 | <toplevel> |
+| foo | lib1/foo.js:3:1:3:18 | module.exports.foo | lib1/foo.js:1:1:3:47 | <toplevel> |
+| foo | lib1/main.js:3:1:3:18 | module.exports.foo | lib1/main.js:1:1:17:30 | <toplevel> |
+| reexported | lib1/reexport/a.js:2:5:2:40 | reexpor ... ed() {} | lib1/reexport/a.js:1:1:3:1 | <toplevel> |
+| reexported | lib1/reexport/a.js:2:5:2:40 | reexpor ... ed() {} | lib1/reexport/b.js:1:1:6:1 | <toplevel> |

javascript/ql/test/library-tests/PackageExports/tests.ql

@@ -9,4 +9,6 @@ query DataFlow::Node getAValueExportedBy(PackageJSON json) {
 
 query DataFlow::Node getAnExportedValue(Module mod, string name) {
   result = Exports::getAnExportedValue(mod, name)
-}
+}
+
+query Module exports(string name, ASTNode export) { result.exports(name, export) }