cli: more comprehensive tests around cli + util, exits, rejected promises, etc

cli/lib/cli.js

@@ -58,7 +58,7 @@ module.exports = {
         require('./exec/run')
         .start(parseOpts(opts))
         .then(util.exit)
-        .catch(util.exit1)
+        .catch(util.logErrorExit1)
       })
 
     program
@@ -73,7 +73,7 @@ module.exports = {
       .action((opts) => {
         require('./exec/open')
         .start(parseOpts(opts))
-        .catch(util.exit1)
+        .catch(util.logErrorExit1)
       })
 
     program
@@ -82,7 +82,7 @@ module.exports = {
       .action(() => {
         require('./tasks/install')
         .start({ force: true })
-        .catch(util.exit1)
+        .catch(util.logErrorExit1)
       })
 
     program
@@ -91,7 +91,7 @@ module.exports = {
       .action(() => {
         require('./tasks/verify')
         .start({ force: true })
-        .catch(util.exit1)
+        .catch(util.logErrorExit1)
       })
 
     debug('cli starts with arguments %j', process.argv)

cli/lib/util.js

@@ -18,10 +18,6 @@ module.exports = {
     process.exit(code)
   },
 
-  exit1 () {
-    process.exit(1)
-  },
-
   logErrorExit1 (err) {
     logger.error(err.message)
 

cli/test/lib/cli_spec.js

@@ -1,6 +1,7 @@
 require('../spec_helper')
 
 const cli = require(`${lib}/cli`)
+const util = require(`${lib}/util`)
 const run = require(`${lib}/exec/run`)
 const open = require(`${lib}/exec/open`)
 const verify = require(`${lib}/tasks/verify`)
@@ -9,20 +10,32 @@ const install = require(`${lib}/tasks/install`)
 describe('cli', function () {
   beforeEach(function () {
     this.sandbox.stub(process, 'exit')
+    this.sandbox.stub(util, 'exit')
+    this.sandbox.stub(util, 'logErrorExit1')
     this.exec = (args) => cli.init().parse(`node test ${args}`.split(' '))
   })
 
-  it('exits when done', function (done) {
-    this.sandbox.stub(run, 'start').resolves()
-    this.exec('run --port 7878')
-
-    process.exit.callsFake(done)
-  })
-
-  it('run calls run.start with options', function () {
-    this.sandbox.stub(run, 'start').resolves()
+  it('run calls run.start with options + exits with code', function (done) {
+    this.sandbox.stub(run, 'start').resolves(10)
     this.exec('run --port 7878')
     expect(run.start).to.be.calledWith({ port: '7878' })
+
+    util.exit.callsFake((code) => {
+      expect(code).to.eq(10)
+      done()
+    })
+  })
+
+  it('run calls run.start with options + catches errors', function (done) {
+    const err = new Error('foo')
+    this.sandbox.stub(run, 'start').rejects(err)
+    this.exec('run --port 7878')
+    expect(run.start).to.be.calledWith({ port: '7878' })
+
+    util.logErrorExit1.callsFake((e) => {
+      expect(e).to.eq(err)
+      done()
+    })
   })
 
   it('open calls open.start with options', function () {
@@ -31,15 +44,51 @@ describe('cli', function () {
     expect(open.start).to.be.calledWith({ port: '7878' })
   })
 
+  it('open calls open.start + catches errors', function (done) {
+    const err = new Error('foo')
+
+    this.sandbox.stub(open, 'start').rejects(err)
+    this.exec('open --port 7878')
+
+    util.logErrorExit1.callsFake((e) => {
+      expect(e).to.eq(err)
+      done()
+    })
+  })
+
   it('install calls install.start with force: true', function () {
     this.sandbox.stub(install, 'start').resolves()
     this.exec('install')
     expect(install.start).to.be.calledWith({ force: true })
   })
 
+  it('install calls install.start + catches errors', function (done) {
+    const err = new Error('foo')
+
+    this.sandbox.stub(install, 'start').rejects(err)
+    this.exec('install')
+
+    util.logErrorExit1.callsFake((e) => {
+      expect(e).to.eq(err)
+      done()
+    })
+  })
+
   it('verify calls verify.start with force: true', function () {
     this.sandbox.stub(verify, 'start').resolves()
     this.exec('verify')
     expect(verify.start).to.be.calledWith({ force: true })
   })
+
+  it('verify calls verify.start + catches errors', function (done) {
+    const err = new Error('foo')
+
+    this.sandbox.stub(verify, 'start').rejects(err)
+    this.exec('verify')
+
+    util.logErrorExit1.callsFake((e) => {
+      expect(e).to.eq(err)
+      done()
+    })
+  })
 })

cli/test/lib/util_spec.js

@@ -0,0 +1,28 @@
+require('../spec_helper')
+
+const util = require(`${lib}/util`)
+const logger = require(`${lib}/logger`)
+
+describe('util', function () {
+  beforeEach(function () {
+    this.sandbox.stub(process, 'exit')
+    this.sandbox.stub(logger, 'error')
+  })
+
+  it('.exit', function () {
+    util.exit(2)
+    expect(process.exit).to.be.calledWith(2)
+
+    util.exit(0)
+    expect(process.exit).to.be.calledWith(0)
+  })
+
+  it('.logErrorExit1', function () {
+    const err = new Error('foo')
+
+    util.logErrorExit1(err)
+
+    expect(process.exit).to.be.calledWith(1)
+    expect(logger.error).to.be.calledWith('foo')
+  })
+})