initial import for Open Source 🎉

static/js/directives/ui/regex-match-view/regex-match-view.component.spec.ts

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+import { RegexMatchViewComponent } from './regex-match-view.component';
+
+
+describe("RegexMatchViewComponent", () => {
+  var component: RegexMatchViewComponent;
+
+  beforeEach(() => {
+    component = new RegexMatchViewComponent();
+  });
+
+  describe("filterMatches", () => {
+    var items: ({value: string})[];
+
+    beforeEach(() => {
+      items = [{value: "heads/master"}, {value: "heads/develop"}, {value: "heads/production"}];
+    });
+
+    it("returns null if given invalid regex expression", () => {
+      var regexstr: string = "\\asfd\\";
+
+      expect(component.filterMatches(regexstr, items, true)).toBe(null);
+    });
+
+    it("returns a subset of given items matching the given regex expression if given 'shouldMatch' as true", () => {
+      var regexstr: string = `^${items[0].value}$`;
+      var matches: ({value: string})[] = component.filterMatches(regexstr, items, true);
+
+      expect(matches.length).toBeGreaterThan(0);
+      matches.forEach((match) => {
+        expect(items).toContain(match);
+      });
+    });
+
+    it("returns a subset of given items not matching the given regex expression if given 'shouldMatch' as false", () => {
+      var regexstr: string = `^${items[0].value}$`;
+      var nonMatches: ({value: string})[] = component.filterMatches(regexstr, items, false);
+
+      expect(nonMatches.length).toBeGreaterThan(0);
+      nonMatches.forEach((nonMatch) => {
+        expect(items).toContain(nonMatch);
+      });
+    });
+  });
+});