chore(test): remove usage of deprecated buffer API (#3596)

Author: devoto13

test/unit/preprocessor.spec.js

@@ -11,7 +11,7 @@ describe('preprocessor', () => {
   let mockFs
   let emitterSetting
   // mimic first few bytes of a pdf file
-  const binarydata = new Buffer([0x25, 0x50, 0x44, 0x66, 0x46, 0x00]) // eslint-disable-line node/no-deprecated-api
+  const binarydata = Buffer.from([0x25, 0x50, 0x44, 0x66, 0x46, 0x00])
 
   beforeEach(() => {
     mockFs = mocks.fs.create({

test/unit/runner.spec.js

@@ -14,12 +14,12 @@ describe('runner', () => {
     const EXIT = constant.EXIT_CODE
 
     it('should return 0 exit code if present in the buffer', () => {
-      const result = m.parseExitCode(new Buffer(`something\nfake${EXIT}10`)) // eslint-disable-line node/no-deprecated-api
+      const result = m.parseExitCode(Buffer.from(`something\nfake${EXIT}10`))
       expect(result.exitCode).to.equal(0)
     })
 
     it('should remove the exit code part of the returned buffer', () => {
-      const buffer = new Buffer(`some${EXIT}01`) // eslint-disable-line node/no-deprecated-api
+      const buffer = Buffer.from(`some${EXIT}01`)
       const result = m.parseExitCode(buffer)
 
       expect(buffer.toString()).to.equal(`some${EXIT}01`)
@@ -28,7 +28,7 @@ describe('runner', () => {
 
     it('should not touch buffer without exit code and return default', () => {
       const msg = 'some nice \n messgae {}'
-      const buffer = new Buffer(msg) // eslint-disable-line node/no-deprecated-api
+      const buffer = Buffer.from(msg)
       const result = m.parseExitCode(buffer, 10)
 
       expect(result.buffer.toString()).to.equal(msg)
@@ -53,21 +53,21 @@ describe('runner', () => {
     })
 
     it('should parse any single digit exit code', () => {
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}01`)).exitCode).to.equal(1) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}17`)).exitCode).to.equal(7) // eslint-disable-line node/no-deprecated-api
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}01`)).exitCode).to.equal(1)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}17`)).exitCode).to.equal(7)
     })
 
     it('should return exit code 0 if failOnEmptyTestSuite is false and and non-empty int is 0', () => {
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}01`), undefined, false).exitCode).to.equal(0) // eslint-disable-line node/no-deprecated-api
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}01`), undefined, false).exitCode).to.equal(0)
     })
 
     it('should return exit code if failOnEmptyTestSuite is true', () => {
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}00`), undefined, true).exitCode).to.equal(0) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}01`), undefined, true).exitCode).to.equal(1) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}07`), undefined, true).exitCode).to.equal(7) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}10`), undefined, true).exitCode).to.equal(0) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}11`), undefined, true).exitCode).to.equal(1) // eslint-disable-line node/no-deprecated-api
-      expect(m.parseExitCode(new Buffer(`something\nfake${EXIT}17`), undefined, true).exitCode).to.equal(7) // eslint-disable-line node/no-deprecated-api
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}00`), undefined, true).exitCode).to.equal(0)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}01`), undefined, true).exitCode).to.equal(1)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}07`), undefined, true).exitCode).to.equal(7)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}10`), undefined, true).exitCode).to.equal(0)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}11`), undefined, true).exitCode).to.equal(1)
+      expect(m.parseExitCode(Buffer.from(`something\nfake${EXIT}17`), undefined, true).exitCode).to.equal(7)
     })
   })
 })