Create shared gl-modal-vuex component and module

**Why?**
It is significantly easier to manage the visibility of the modal in
Vuex. The module contains the state and mutations to manage this.
The component wraps GlModal and syncs the visibility with the module.

2 files changed, 80 insertions, 0 deletions

diff --git a/spec/javascripts/vuex_shared/modules/modal/actions_spec.js b/spec/javascripts/vuex_shared/modules/modal/actions_spec.js
new file mode 100644
index 00000000000..04f64663ae4
--- /dev/null
+++ b/spec/javascripts/vuex_shared/modules/modal/actions_spec.js
@@ -0,0 +1,31 @@
+import * as types from '~/vuex_shared/modules/modal/mutation_types';
+import * as actions from '~/vuex_shared/modules/modal/actions';
+import testAction from 'spec/helpers/vuex_action_helper';
+
+describe('Vuex ModalModule actions', () => {
+  describe('open', () => {
+    it('works', done => {
+      const data = { id: 7 };
+
+      testAction(actions.open, data, {}, [{ type: types.OPEN, payload: data }], [], done);
+    });
+  });
+
+  describe('close', () => {
+    it('works', done => {
+      testAction(actions.close, null, {}, [{ type: types.CLOSE }], [], done);
+    });
+  });
+
+  describe('show', () => {
+    it('works', done => {
+      testAction(actions.show, null, {}, [{ type: types.SHOW }], [], done);
+    });
+  });
+
+  describe('hide', () => {
+    it('works', done => {
+      testAction(actions.hide, null, {}, [{ type: types.HIDE }], [], done);
+    });
+  });
+});
diff --git a/spec/javascripts/vuex_shared/modules/modal/mutations_spec.js b/spec/javascripts/vuex_shared/modules/modal/mutations_spec.js
new file mode 100644
index 00000000000..d07f8ba1e65
--- /dev/null
+++ b/spec/javascripts/vuex_shared/modules/modal/mutations_spec.js
@@ -0,0 +1,49 @@
+import mutations from '~/vuex_shared/modules/modal/mutations';
+import * as types from '~/vuex_shared/modules/modal/mutation_types';
+
+describe('Vuex ModalModule mutations', () => {
+  describe(types.SHOW, () => {
+    it('sets isVisible to true', () => {
+      const state = {
+        isVisible: false,
+      };
+
+      mutations[types.SHOW](state);
+
+      expect(state).toEqual({
+        isVisible: true,
+      });
+    });
+  });
+
+  describe(types.HIDE, () => {
+    it('sets isVisible to false', () => {
+      const state = {
+        isVisible: true,
+      };
+
+      mutations[types.HIDE](state);
+
+      expect(state).toEqual({
+        isVisible: false,
+      });
+    });
+  });
+
+  describe(types.OPEN, () => {
+    it('sets data and sets isVisible to true', () => {
+      const data = { id: 7 };
+      const state = {
+        isVisible: false,
+        data: null,
+      };
+
+      mutations[types.OPEN](state, data);
+
+      expect(state).toEqual({
+        isVisible: true,
+        data,
+      });
+    });
+  });
+});