Convert tests from Karma to Jest

public/app/plugins/panel/singlestat/specs/singlestat_panel_spec.ts → public/app/plugins/panel/singlestat/specs/singlestat_panel.jest.ts

-import { describe, it, expect } from 'test/lib/common';
-
 import { getColorForValue } from '../module';
 
 describe('grafanaSingleStat', function() {
@@ -11,31 +9,31 @@ describe('grafanaSingleStat', function() {
       };
 
       it('5 should return green', () => {
-        expect(getColorForValue(data, 5)).to.be('green');
+        expect(getColorForValue(data, 5)).toBe('green');
       });
 
       it('19.9 should return green', () => {
-        expect(getColorForValue(data, 19.9)).to.be('green');
+        expect(getColorForValue(data, 19.9)).toBe('green');
       });
 
       it('20 should return yellow', () => {
-        expect(getColorForValue(data, 20)).to.be('yellow');
+        expect(getColorForValue(data, 20)).toBe('yellow');
       });
 
       it('20.1 should return yellow', () => {
-        expect(getColorForValue(data, 20.1)).to.be('yellow');
+        expect(getColorForValue(data, 20.1)).toBe('yellow');
       });
 
       it('25 should return yellow', () => {
-        expect(getColorForValue(data, 25)).to.be('yellow');
+        expect(getColorForValue(data, 25)).toBe('yellow');
       });
 
       it('50 should return red', () => {
-        expect(getColorForValue(data, 50)).to.be('red');
+        expect(getColorForValue(data, 50)).toBe('red');
       });
 
       it('55 should return red', () => {
-        expect(getColorForValue(data, 55)).to.be('red');
+        expect(getColorForValue(data, 55)).toBe('red');
       });
     });
   });
@@ -47,15 +45,15 @@ describe('grafanaSingleStat', function() {
     };
 
     it('-30 should return green', () => {
-      expect(getColorForValue(data, -30)).to.be('green');
+      expect(getColorForValue(data, -30)).toBe('green');
     });
 
     it('1 should return green', () => {
-      expect(getColorForValue(data, 1)).to.be('yellow');
+      expect(getColorForValue(data, 1)).toBe('yellow');
     });
 
     it('22 should return green', () => {
-      expect(getColorForValue(data, 22)).to.be('red');
+      expect(getColorForValue(data, 22)).toBe('red');
     });
   });
 
@@ -66,7 +64,7 @@ describe('grafanaSingleStat', function() {
     };
 
     it('-30 should return green', () => {
-      expect(getColorForValue(data, -26)).to.be('yellow');
+      expect(getColorForValue(data, -26)).toBe('yellow');
     });
   });
 });

public/test/core/utils/version_specs.ts → public/test/core/utils/version_jest.ts

-import {describe, beforeEach, it, expect} from 'test/lib/common';
-
 import {SemVersion, isVersionGtOrEq} from 'app/core/utils/version';
 
 describe("SemVersion", () => {
@@ -8,10 +6,10 @@ describe("SemVersion", () => {
   describe('parsing', () => {
     it('should parse version properly', () => {
       let semver = new SemVersion(version);
-      expect(semver.major).to.be(1);
-      expect(semver.minor).to.be(0);
-      expect(semver.patch).to.be(0);
-      expect(semver.meta).to.be('alpha.1');
+      expect(semver.major).toBe(1);
+      expect(semver.minor).toBe(0);
+      expect(semver.patch).toBe(0);
+      expect(semver.meta).toBe('alpha.1');
     });
   });
 
@@ -30,7 +28,7 @@ describe("SemVersion", () => {
         {value: '3.5', expected: false},
       ];
       cases.forEach((testCase) => {
-        expect(semver.isGtOrEq(testCase.value)).to.be(testCase.expected);
+        expect(semver.isGtOrEq(testCase.value)).toBe(testCase.expected);
       });
     });
   });
@@ -48,7 +46,7 @@ describe("SemVersion", () => {
         {values: ['3.4.5', '3.5'], expected: false},
       ];
       cases.forEach((testCase) => {
-        expect(isVersionGtOrEq(testCase.values[0], testCase.values[1])).to.be(testCase.expected);
+        expect(isVersionGtOrEq(testCase.values[0], testCase.values[1])).toBe(testCase.expected);
       });
     });
   });