Expose entities for Google/Alexa (#680)

* Add entity filter

* Show exposed entities on cloud panel

* Fix tests

* Revert some testing changes

* Cursor: pointer

* Fix

* Update tests to TS

test-mocha/common/entity/entity_filter.ts

@@ -0,0 +1,97 @@
+import { generateFilter } from "../../../src/common/entity/entity_filter";
+
+import * as assert from "assert";
+
+describe("EntityFilter", () => {
+  // case 1
+  it("passes all when no filters passed in", () => {
+    const filter = generateFilter();
+
+    assert(filter("sensor.test"));
+    assert(filter("sun.sun"));
+    assert(filter("light.test"));
+  });
+
+  // case 2
+  it("allows whitelisting entities by entity id", () => {
+    const filter = generateFilter(undefined, ["light.kitchen"]);
+
+    assert(filter("light.kitchen"));
+    assert(!filter("light.living_room"));
+  });
+
+  it("allows whitelisting entities by domain", () => {
+    const filter = generateFilter(["switch"]);
+
+    assert(filter("switch.bla"));
+    assert(!filter("light.kitchen"));
+  });
+
+  // case 3
+  it("allows blacklisting entities by entity id", () => {
+    const filter = generateFilter(undefined, undefined, undefined, [
+      "light.kitchen",
+    ]);
+
+    assert(!filter("light.kitchen"));
+    assert(filter("light.living_room"));
+  });
+
+  it("allows blacklisting entities by domain", () => {
+    const filter = generateFilter(undefined, undefined, ["switch"]);
+
+    assert(!filter("switch.bla"));
+    assert(filter("light.kitchen"));
+  });
+
+  // case 4a
+  it("allows whitelisting domain and blacklisting entity", () => {
+    const filter = generateFilter(["switch"], undefined, undefined, [
+      "switch.kitchen",
+    ]);
+
+    assert(filter("switch.living_room"));
+    assert(!filter("switch.kitchen"));
+    assert(!filter("sensor.bla"));
+  });
+
+  it("allows whitelisting entity while whitelisting other domains", () => {
+    const filter = generateFilter(["switch"], ["light.kitchen"]);
+
+    assert(filter("switch.living_room"));
+    assert(filter("light.kitchen"));
+    assert(!filter("sensor.bla"));
+  });
+
+  // case 4b
+  it("allows blacklisting domain and whitelisting entity", () => {
+    const filter = generateFilter(undefined, ["switch.kitchen"], ["switch"]);
+
+    assert(filter("switch.kitchen"));
+    assert(!filter("switch.living_room"));
+    assert(filter("sensor.bla"));
+  });
+
+  it("allows blacklisting domain and excluding entities", () => {
+    const filter = generateFilter(
+      undefined,
+      undefined,
+      ["switch"],
+      ["light.kitchen"]
+    );
+
+    assert(!filter("switch.living_room"));
+    assert(!filter("light.kitchen"));
+    assert(filter("sensor.bla"));
+  });
+
+  // case 4c
+  it("allows whitelisting entities", () => {
+    const filter = generateFilter(undefined, ["light.kitchen"]);
+
+    assert(filter("light.kitchen"));
+    assert(!filter("switch.living_room"));
+    assert(!filter("light.living_room"));
+    assert(!filter("sensor.bla"));
+  });
+});