first commit

uebersicht-code/server/spec/backend/reducer_spec.js

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+var test = require('tape');
+var reduce = require('../../src/reducer');
+
+
+test('WIDGET_ADDED', (t) => {
+  var action = {
+    type: 'WIDGET_ADDED',
+    payload: { id: 'foo', error: 'oh no', filePath: '/foo/' },
+  };
+  var newState = reduce({ widgets: {} }, action);
+
+  t.looseEqual(
+    newState.widgets,
+    { foo: { id: 'foo', error: 'oh no', filePath: '/foo/' } },
+    'it adds new widgets'
+  );
+
+  t.ok(
+    typeof newState.settings === 'object',
+    'it creates a new settings hash if none exists'
+  );
+
+  t.looseEqual(
+    newState.settings.foo, {
+      showOnAllScreens: true,
+      showOnMainScreen: false,
+      showOnSelectedScreens: false,
+      hidden: false,
+      screens: [],
+    },
+    'it initializes settings for a widget'
+  );
+
+  action = {
+    type: 'WIDGET_ADDED',
+    payload: { id: 'foo', body: 'yay', filePath: '/foo/' },
+  };
+  newState = reduce(newState, action);
+
+  t.looseEqual(
+    newState.widgets,
+    { foo: { id: 'foo', body: 'yay', filePath: '/foo/' } },
+    'it updates existing widgets'
+  );
+
+  t.end();
+});
+
+test('WIDGET_REMOVED', (t) => {
+  var action = { type: 'WIDGET_REMOVED', payload: 'foo' };
+  var state = { widgets: {} };
+  var newState = reduce(state, action);
+  t.equal(state, newState, 'it ignores non existing widgets');
+
+  newState = reduce({
+    widgets: { foo: {}, bar: {}},
+  }, action);
+  t.looseEqual(newState.widgets, {bar: {}}, 'it removes existing widgets');
+  t.end();
+});
+
+
+test('WIDGET_SETTINGS_CHANGED', (t) => {
+  var action = {
+    type: 'WIDGET_SETTINGS_CHANGED',
+    payload: { id: 'foo', settings: { a: 'b' } },
+  };
+
+  newState = reduce({ settings: {} }, action);
+  t.looseEqual(
+    newState.settings,
+    { foo: { a: 'b' } },
+    'it applies new settings'
+  );
+
+  newState = reduce({ settings: { bar: {} } }, action);
+  t.looseEqual(
+    newState.settings,
+    { foo: { a: 'b' }, bar: {}},
+    'it merges with existing settings'
+  );
+
+  t.end();
+});
+
+test('WIDGET_SET_TO_HIDE / SHOW', (t) => {
+  var action = { type: 'WIDGET_SET_TO_HIDE', payload: 'bar' };
+  var state = {
+    settings: {
+      foo: { hidden: false, some: 'other', stuff: 1 },
+      bar: { hidden: false, many: 'other', things: 42 },
+    },
+  };
+  var newState = reduce(state, action);
+  t.looseEqual(
+    state.settings,
+    {
+      foo: { hidden: false, some: 'other', stuff: 1 },
+      bar: { hidden: false, many: 'other', things: 42 },
+    },
+    'it hides widgets'
+  );
+
+  action = { type: 'WIDGET_SET_TO_SHOW', payload: 'bar' };
+  newState = reduce(newState, action);
+  t.looseEqual(
+    state.settings,
+    {
+      foo: { hidden: false, some: 'other', stuff: 1 },
+      bar: { hidden: false, many: 'other', things: 42 },
+    },
+    'it shows widgets'
+  );
+  t.end();
+});