feat: add the ability to run with '--production' (#75)

* feat: add the ability to run with '--production'

Adding the config options to run npm audit with the --production flag.

Contributes to: #74

Signed-off-by: Stelios Gkiokas <s_giokas@hotmail.com>

* fix: add tests

Adding the relevant tests for the new production flag.

Contributes to: #74

Signed-off-by: Stelios Gkiokas <s_giokas@hotmail.com>

__tests__/audit.test.ts

@@ -13,7 +13,7 @@ describe('run', () => {
     mocked(child_process).spawnSync.mockClear()
   })
 
-  test('finds vulnerabilities', () => {
+  test('finds vulnerabilities with default values', () => {
     mocked(child_process).spawnSync.mockImplementation((): any => {
       const stdout = fs.readFileSync(
         path.join(__dirname, 'testdata/audit/error.txt')
@@ -30,7 +30,28 @@ describe('run', () => {
       }
     })
 
-    audit.run('low')
+    audit.run('low', 'false')
+    expect(audit.foundVulnerability()).toBeTruthy()
+  })
+
+  test('finds vulnerabilities with production flag enabled', () => {
+    mocked(child_process).spawnSync.mockImplementation((): any => {
+      const stdout = fs.readFileSync(
+        path.join(__dirname, 'testdata/audit/error.txt')
+      )
+
+      return {
+        pid: 100,
+        output: [stdout],
+        stdout,
+        stderr: '',
+        status: 1,
+        signal: null,
+        error: null
+      }
+    })
+
+    audit.run('low', 'true')
     expect(audit.foundVulnerability()).toBeTruthy()
   })
 
@@ -51,7 +72,7 @@ describe('run', () => {
       }
     })
 
-    audit.run('low')
+    audit.run('low', 'false')
     expect(audit.foundVulnerability()).toBeFalsy()
   })
 
@@ -70,7 +91,7 @@ describe('run', () => {
 
     expect.assertions(1)
     const e = new Error('Something is wrong')
-    expect(() => audit.run('low')).toThrowError(e)
+    expect(() => audit.run('low', 'false')).toThrowError(e)
   })
 
   test('throws an error if status is null', () => {
@@ -88,7 +109,7 @@ describe('run', () => {
 
     expect.assertions(1)
     const e = new Error('the subprocess terminated due to a signal.')
-    expect(() => audit.run('low')).toThrowError(e)
+    expect(() => audit.run('low', 'false')).toThrowError(e)
   })
 
   test('throws an error if stderr is null', () => {
@@ -106,6 +127,6 @@ describe('run', () => {
 
     expect.assertions(1)
     const e = new Error('Something is wrong')
-    expect(() => audit.run('low')).toThrowError(e)
+    expect(() => audit.run('low', 'false')).toThrowError(e)
   })
 })