CLDR-18475 st: fe tests for cldrSurvey.setLang (#4571)

Author: srl295

tools/cldr-apps/js/src/esm/cldrSurvey.mjs

@@ -821,9 +821,17 @@ function locInfo(loc) {
 function setLang(node, loc, overridedir) {
   var info = locInfo(loc);
 
+  function assertValidDir(d) {
+    if (d != "rtl" && d != "ltr") {
+      throw Error(`${d} should be either ltr or rtl`);
+    }
+  }
+
   if (overridedir) {
+    assertValidDir(overridedir);
     node.dir = overridedir;
   } else if (info && info.dir) {
+    assertValidDir(info.dir);
     node.dir = info.dir;
   }
 

tools/cldr-apps/js/test/TestCldrSurvey.mjs

@@ -0,0 +1,147 @@
+import { expect, assert } from "chai";
+
+import * as cldrLoad from "../src/esm/cldrLoad.mjs";
+import * as cldrLocaleMap from "../src/esm/cldrLocaleMap.mjs";
+import * as cldrStatus from "../src/esm/cldrStatus.mjs";
+import * as cldrSurvey from "../src/esm/cldrSurvey.mjs";
+
+export const TestCldrSurvey = "ok";
+
+/** local function for resetting things before test calls */
+function setCldrLoad() {
+  const flm = {
+    locales: {
+      ar: {
+        bcp47: "ar",
+        parent: "root",
+        sub: [
+          "ar_DZ",
+          "ar_BH",
+          "ar_TD",
+          "ar_KM",
+          "ar_DJ",
+          "ar_EG",
+          "ar_ER",
+          "ar_IQ",
+          "ar_IL",
+          "ar_JO",
+          "ar_KW",
+          "ar_LB",
+          "ar_LY",
+          "ar_MR",
+          "ar_MA",
+          "ar_OM",
+          "ar_PS",
+          "ar_QA",
+          "ar_SA",
+          "ar_SO",
+          "ar_SS",
+          "ar_SD",
+          "ar_SY",
+          "ar_TN",
+          "ar_AE",
+          "ar_EH",
+          "ar_YE",
+          "ar_001",
+        ],
+        dcChild: "ar_001",
+        highestParent: "ar",
+        name: "Arabic",
+        dir: "rtl",
+        type: "common",
+        extended: false,
+        tc: true,
+      },
+      bn: {
+        bcp47: "bn",
+        parent: "root",
+        sub: ["bn_BD", "bn_IN"],
+        dcChild: "bn_BD",
+        highestParent: "bn",
+        name: "Bangla",
+        type: "common",
+        dir: "ltr", // we now explicitly set this, even for ltr
+        extended: false,
+        tc: true,
+      },
+    },
+  };
+
+  cldrLoad.setTheLocaleMap(new cldrLocaleMap.LocaleMap(flm));
+}
+
+function unsetCldrLoad() {
+  cldrLoad.setTheLocaleMap(new cldrLocaleMap.LocaleMap(null));
+  cldrStatus.setCurrentLocale(null);
+}
+
+describe("cldrSurvey.setLang", function () {
+  before(() => setCldrLoad());
+  after(() => unsetCldrLoad());
+  it("should be able to set a node explicitly", () => {
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, "bn", "rtl");
+    expect(n.lang).to.equal("bn");
+    expect(n.dir).to.equal("rtl");
+  });
+  it("should be able to set another node explicitly", () => {
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, "bn", "ltr");
+    expect(n.lang).to.equal("bn");
+    expect(n.dir).to.equal("ltr");
+  });
+  it("should be able to a node with ar language", () => {
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, "ar");
+    expect(n.lang).to.equal("ar");
+    expect(n.dir).to.equal("rtl");
+  });
+  it("should be able to set a node with bn language", () => {
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, "bn");
+    expect(n.lang).to.equal("bn");
+    expect(n.dir).to.equal("ltr");
+  });
+  it("should be able to a node with default ar language", () => {
+    cldrStatus.setCurrentLocale("ar");
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n);
+    expect(n.lang).to.equal("ar");
+    expect(n.dir).to.equal("rtl");
+  });
+  it("should be able to a node with default bn language", () => {
+    cldrStatus.setCurrentLocale("bn");
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n);
+    expect(n.lang).to.equal("bn");
+    expect(n.dir).to.equal("ltr");
+  });
+  it("should be able to a node with override ar language", () => {
+    cldrStatus.setCurrentLocale("ar");
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, undefined, "ltr");
+    expect(n.lang).to.equal("ar");
+    expect(n.dir).to.equal("ltr");
+  });
+  it("should be able to a node with override bn language", () => {
+    cldrStatus.setCurrentLocale("bn");
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    cldrSurvey.setLang(n, undefined, "rtl");
+    expect(n.lang).to.equal("bn");
+    expect(n.dir).to.equal("rtl");
+  });
+  it("Should fail on a bad override directionality", () => {
+    cldrStatus.setCurrentLocale("bn");
+    const n = document.createElement("span");
+    expect(n).to.be.ok;
+    assert.throws(() => cldrSurvey.setLang(n, undefined, "RIGHT_TO_LEFT"));
+  });
+});

tools/cldr-apps/js/test/index.js

@@ -14,6 +14,7 @@ import { TestCldrGui } from "./TestCldrGui.mjs";
 import { TestCldrListUsers } from "./TestCldrListUsers.mjs";
 import { TestCldrProgress } from "./TestCldrProgress.mjs";
 import { TestCldrStatus } from "./TestCldrStatus.mjs";
+import { TestCldrSurvey } from "./TestCldrSurvey.mjs";
 import { TestCldrTable } from "./TestCldrTable.mjs";
 import { TestCldrText } from "./TestCldrText.mjs";
 
@@ -36,6 +37,7 @@ export default {
   TestCldrListUsers,
   TestCldrProgress,
   TestCldrStatus,
+  TestCldrSurvey,
   TestCldrTable,
   TestCldrTest,
   TestCldrText,