Merge pull request #170 from smartin015/harden_rmfile

Harden rmfile

Author: smartin015

continuousprint/static/js/continuousprint_viewmodel.js

@@ -83,14 +83,16 @@ function CPViewModel(parameters) {
     let oldRemove = self.files.removeFile;
     let remove_cb = null;
     self.files.removeFile = function(data, evt) {
-      for (let j of self.defaultQueue.jobs()) {
-        for (let s of j.sets()) {
-          if (s.path() === data.path) {
-            remove_cb = () => oldRemove(data, evt);
-            return self.showRemoveConfirmModal()
+      try {
+        for (let j of self.defaultQueue.jobs()) {
+          for (let s of j.sets()) {
+            if (s.path() === data.path) {
+              remove_cb = () => oldRemove(data, evt);
+              return self.showRemoveConfirmModal()
+            }
           }
         }
-      }
+      } catch {} // Fail silently on error, and pass through
       return oldRemove(data, evt);
     };
 		self.rmDialog = $("#cpq_removeConfirmDialog");

continuousprint/static/js/continuousprint_viewmodel.test.js

@@ -208,6 +208,16 @@ test('removeFile shows dialog', () => {
   expect(rmfile).not.toHaveBeenCalled();
 });
 
+test('removeFile with exception fails gracefully', () => {
+  let m = mocks();
+  let rmfile = m[2].removeFile;
+  let v = init(1, m);
+  v.defaultQueue = null; // Can't call .jobs() on null queue
+  let data = {path: 'asdf'};
+  v.files.removeFile(data, null); // Raises exception
+  expect(rmfile).toHaveBeenCalledWith(data, null); // But still gets forwarded through
+});
+
 test('removeConfirm calls removeFile', () => {
   let m = mocks();
   let rmfile = m[2].removeFile;