fixed failing specs

added more specs

app/assets/javascripts/ide/stores/actions.js

@@ -18,6 +18,8 @@ export const discardAllChanges = ({ state, commit, dispatch }) => {
       dispatch('closeFile', file);
     }
   });
+
+  commit(types.REMOVE_ALL_CHANGES_FILES);
 };
 
 export const closeAllFiles = ({ state, dispatch }) => {

app/assets/javascripts/ide/stores/mutation_types.js

@@ -24,6 +24,7 @@ export const TOGGLE_TREE_OPEN = 'TOGGLE_TREE_OPEN';
 export const CREATE_TMP_TREE = 'CREATE_TMP_TREE';
 export const SET_LAST_COMMIT_URL = 'SET_LAST_COMMIT_URL';
 export const CREATE_TREE = 'CREATE_TREE';
+export const REMOVE_ALL_CHANGES_FILES = 'REMOVE_ALL_CHANGES_FILES';
 
 // File mutation types
 export const SET_FILE_DATA = 'SET_FILE_DATA';

app/assets/javascripts/ide/stores/mutations/tree.js

@@ -33,4 +33,9 @@ export default {
   [types.CREATE_TMP_TREE](state, { parent, tmpEntry }) {
     parent.tree.push(tmpEntry);
   },
+  [types.REMOVE_ALL_CHANGES_FILES](state) {
+    Object.assign(state, {
+      changedFiles: [],
+    });
+  },
 };

spec/javascripts/repo/stores/actions_spec.js

@@ -36,8 +36,30 @@ describe('Multi-file store actions', () => {
 
   describe('discardAllChanges', () => {
     beforeEach(() => {
-      store.state.openFiles.push(file('discardAll'));
-      store.state.openFiles[0].changed = true;
+      const f = file('discardAll');
+      f.changed = true;
+
+      store.state.openFiles.push(f);
+      store.state.changedFiles.push(f);
+    });
+
+    it('discards changes in file', (done) => {
+      store.dispatch('discardAllChanges')
+        .then(() => {
+          expect(store.state.openFiles.changed).toBeFalsy();
+        })
+        .then(done)
+        .catch(done.fail);
+    });
+
+    it('removes all files from changedFiles state', (done) => {
+      store.dispatch('discardAllChanges')
+        .then(() => {
+          expect(store.state.changedFiles.length).toBe(0);
+          expect(store.state.openFiles.length).toBe(1);
+        })
+        .then(done)
+        .catch(done.fail);
     });
   });
 

spec/javascripts/repo/stores/mutations/tree_spec.js

@@ -68,4 +68,14 @@ describe('Multi-file store tree mutations', () => {
       expect(localTree.tree[0].name).toBe(tmpEntry.name);
     });
   });
+
+  describe('REMOVE_ALL_CHANGES_FILES', () => {
+    it('removes all files from changedFiles state', () => {
+      localState.changedFiles.push(file('REMOVE_ALL_CHANGES_FILES'));
+
+      mutations.REMOVE_ALL_CHANGES_FILES(localState);
+
+      expect(localState.changedFiles.length).toBe(0);
+    });
+  });
 });