move settings validator

test/shared/settings/validator.test.js

@@ -0,0 +1,82 @@
+import { expect } from "chai";
+import { validate } from 'shared/settings/validator';
+
+describe("setting validator", () => {
+  describe("unknown top keys", () => {
+    it('throws an error for unknown settings', () => {
+      let settings = { keymaps: {}, poison: 123 };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'poison');
+    })
+  });
+
+  describe("keymaps settings", () => {
+    it('throws an error for unknown operation', () => {
+      let settings = {
+        keymaps: {
+          a: { 'type': 'scroll.home' },
+          b: { 'type': 'poison.dressing' },
+        }
+      };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'poison.dressing');
+    });
+  });
+
+  describe("search settings", () => {
+    it('throws an error for invalid search engine name', () => {
+      let settings = {
+        search: {
+          default: 'google',
+          engines: {
+            'google': 'https://google.com/search?q={}',
+            'cherry pie': 'https://cherypie.com/search?q={}',
+          }
+        }
+      };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'cherry pie');
+    });
+
+    it('throws an error for no {}-placeholder', () => {
+      let settings = {
+        search: {
+          default: 'google',
+          engines: {
+            'google': 'https://google.com/search?q={}',
+            'yahoo': 'https://search.yahoo.com/search',
+          }
+        }
+      };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'yahoo');
+    });
+
+    it('throws an error for no default engines', () => {
+      let settings = {
+        search: {
+          engines: {
+            'google': 'https://google.com/search?q={}',
+            'yahoo': 'https://search.yahoo.com/search?q={}',
+          }
+        }
+      };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'Default engine');
+    });
+
+    it('throws an error for invalid default engine', () => {
+      let settings = {
+        search: {
+          default: 'twitter',
+          engines: {
+            'google': 'https://google.com/search?q={}',
+            'yahoo': 'https://search.yahoo.com/search?q={}',
+          }
+        }
+      };
+      let fn = validate.bind(undefined, settings)
+      expect(fn).to.throw(Error, 'twitter');
+    });
+  });
+});