From bc94fc3d6d65fa49af6b39b757f70a0a0305439e Mon Sep 17 00:00:00 2001
From: Tyler Long <tyler4long@gmail.com>
Date: Mon, 10 Apr 2017 22:24:20 +0800
Subject: [PATCH] Convert test/cli_test-sample.js to ES6

---
 test/cli_test-samples.js | 188 +++++++++++++++++++--------------------
 1 file changed, 93 insertions(+), 95 deletions(-)

diff --git a/test/cli_test-samples.js b/test/cli_test-samples.js
index f3fb4f7cd..fa21a20e3 100644
--- a/test/cli_test-samples.js
+++ b/test/cli_test-samples.js
@@ -1,141 +1,139 @@
-'use strict';
-var exec = require('child_process').exec;
-var path = require('path')
+const exec = require('child_process').exec
+const path = require('path')
 
-  var test = require('tape')
-  , rimraf = require('rimraf')
+const test = require('tape')
+const rimraf = require('rimraf')
 
-var test_dir = 'test/fixtures/samples/'.replace('/',path.sep)
-var phantomjs = 'node_modules/.bin/phantomjs '.replace('/',path.sep)
-var load_html_save_screenshot_png_scripts = test_dir+path.sep+'load_html_save_screenshot_png.phantomjs'
+const testDir = 'test/fixtures/samples/'.replace('/', path.sep)
+const phantomjs = 'node_modules/.bin/phantomjs '.replace('/', path.sep)
+const loadHtmlSaveScreenshotPngScripts = testDir + path.sep + 'load_html_save_screenshot_png.phantomjs'
 
-rimraf.sync(test_dir+'*.actual.*');
+rimraf.sync(testDir + '*.actual.*')
 
-function prepend_output_args(args) {
-  return '--outputDir=' + test_dir + ' --outputSuffix=.actual' + args
+function prependOutputArgs (args) {
+  return '--outputDir=' + testDir + ' --outputSuffix=.actual' + args
 }
 
-function exec_mermaid(args, verify) {
-  var cmd = 'bin/mermaid.js ' + args
-  exec_cmd(cmd, verify)
+function execMermaid (args, verify) {
+  const cmd = 'bin/mermaid.js ' + args
+  execCmd(cmd, verify)
 }
 
-function exec_phantomjs_to_load_html_save_screenshot_png(html, verify) {
-  var cmd = (phantomjs + ' ' + load_html_save_screenshot_png_scripts + 
-    ' ' + html + ' ' + html + '.actual.png');
-  exec_cmd(cmd, verify)
+function execPhantomjsToLoadHtmlSaveScreenshotPng (html, verify) {
+  const cmd = (phantomjs + ' ' + loadHtmlSaveScreenshotPngScripts +
+    ' ' + html + ' ' + html + '.actual.png')
+  execCmd(cmd, verify)
 }
 
-function exec_cmd(cmd, verify) {
+function execCmd (cmd, verify) {
   console.log('cmd: ', cmd)
   exec(cmd,
-    {env: {PATH: './node_modules/.bin'+path.delimiter+process.env.PATH}}, 
-    function(error, stdout, stderr) {
-      console.log('error:',error,'\nstdout:\n',stdout,'\nstderr:\n',stderr);
-      verify(error, stdout, stderr);
-    });
+    { env: { PATH: './node_modules/.bin' + path.delimiter + process.env.PATH } },
+    function (error, stdout, stderr) {
+      console.log('error:', error, '\nstdout:\n', stdout, '\nstderr:\n', stderr)
+      verify(error, stdout, stderr)
+    })
 }
 
-function verify_no_error(t) {
-  return function(error, stdout, stderr) {
-    t.notOk(stderr, 'no error')
+function verifyNoError (t) {
+  return function (error, stdout, stderr) {
+    t.notOk(stderr, 'no stderr')
     t.end()
   }
 }
 
-function verify_error(t) {
-  return function(error, stdout, stderr) {
+function verifyError (t) {
+  return function (error, stdout, stderr) {
     t.ok(stderr, 'should get error')
     t.end()
   }
 }
 
-test('mermaid cli help', function(t) {
-  t.plan(1);
-  var args = [ '--help' ]
-  exec_mermaid(args.join(' '), verify_no_error(t));
-});
+test('mermaid cli help', function (t) {
+  t.plan(1)
+  const args = ['--help']
+  execMermaid(args.join(' '), verifyNoError(t))
+})
 
-test('mermaid cli help', function(t) {
-  t.plan(1);
-  var args = [ '--badopt' ]
-  exec_mermaid(args.join(' '), verify_error(t));
-});
+test('mermaid cli help', function (t) {
+  t.plan(1)
+  const args = ['--badopt']
+  execMermaid(args.join(' '), verifyError(t))
+})
 
-test.skip('sequence syntax error', function(t) {
-  t.plan(1);
-  var args = [ '--svg',
-    test_dir+'sequence_err.mmd'
+test.skip('sequence syntax error', function (t) {
+  t.plan(1)
+  const args = ['--svg',
+    testDir + 'sequence_err.mmd'
   ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
+  execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
 });
 
-['', 'fo', 'tspan', 'old'].forEach(function(textPlacement) {
-  test('sequence svg text placelment: '+textPlacement, function(t) {
-    t.plan(1);
-    var args = [ '--svg',
-      '--outputDir=' + test_dir,
-      '--outputSuffix='+(textPlacement ? '_'+textPlacement : '')+'.actual',
-      textPlacement ? '--sequenceConfig='+test_dir+'sequence_text_'+textPlacement+'.cfg' : '',  
-      test_dir+'sequence_text.mmd'
+['', 'fo', 'tspan', 'old'].forEach(function (textPlacement) {
+  test('sequence svg text placelment: ' + textPlacement, function (t) {
+    t.plan(1)
+    const args = ['--svg',
+      '--outputDir=' + testDir,
+      '--outputSuffix=' + (textPlacement ? '_' + textPlacement : '') + '.actual',
+      textPlacement ? '--sequenceConfig=' + testDir + 'sequence_text_' + textPlacement + '.cfg' : '',
+      testDir + 'sequence_text.mmd'
     ]
-    exec_mermaid(args.join(' '), verify_no_error(t));
+    execMermaid(args.join(' '), verifyNoError(t))
   })
-});
+})
 
-test('sequence png', function(t) {
-  t.plan(1);
-  var args = [ '--png',
-    test_dir+'sequence_text.mmd'
+test('sequence png', function (t) {
+  t.plan(1)
+  const args = ['--png',
+    testDir + 'sequence_text.mmd'
   ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
-});
+  execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
+})
 
-test('flowchart svg text', function(t) {
-  t.plan(1);
-  var args = [ '--svg',
+test('flowchart svg text', function (t) {
+  t.plan(1)
+  const args = ['--svg',
     '--css=dist/mermaid.css',
     '--width=500',
-    test_dir+'flowchart_text.mmd'
+    testDir + 'flowchart_text.mmd'
   ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
+  execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
 });
 
-['svg', 'png'].forEach(function(format) {
-  test('flowchart '+format+'text2', function(t) {
-  t.plan(1);
-  var args = [ '--'+format,
-    '--css=dist/mermaid.forest.css',
-    '--width=500',
-    test_dir+'flowchart_text2.mmd'
-  ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
-}) });
+['svg', 'png'].forEach(function (format) {
+  test('flowchart ' + format + 'text2', function (t) {
+    t.plan(1)
+    const args = ['--' + format,
+      '--css=dist/mermaid.forest.css',
+      '--width=500',
+      testDir + 'flowchart_text2.mmd'
+    ]
+    execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
+  })
+})
 
-
-test('gantt axis formatter svg', function(t) {
-  t.plan(1);
-  var args = [ '--svg',
+test('gantt axis formatter svg', function (t) {
+  t.plan(1)
+  const args = ['--svg',
     '--css=dist/mermaid.css',
     '--width=500',
-    '--ganttConfig='+test_dir+'gantt_axis_formatter.cfg',  
-    test_dir+'gantt_axis_formatter.mmd'
+    '--ganttConfig=' + testDir + 'gantt_axis_formatter.cfg',
+    testDir + 'gantt_axis_formatter.mmd'
   ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
-});
+  execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
+})
 
-
-test('gitgraph sample svg', function(t) {
-  t.plan(1);
-  var args = [ '-s', '-v',
+test('gitgraph sample svg', function (t) {
+  t.plan(1)
+  const args = ['-s', '-v',
     '--width=500',
-    test_dir+'gitgraph.mmd'
+    testDir + 'gitgraph.mmd'
   ]
-  exec_mermaid(prepend_output_args(args.join(' ')), verify_no_error(t));
-});
+  execMermaid(prependOutputArgs(args.join(' ')), verifyNoError(t))
+})
 
-test('load sample.html in phantomjs and save screenshot png', function(t) {
-  t.plan(1);
-  exec_phantomjs_to_load_html_save_screenshot_png(test_dir+'samples.html', 
-    verify_no_error(t));
-});
+test('load sample.html in phantomjs and save screenshot png', function (t) {
+  t.plan(1)
+  execPhantomjsToLoadHtmlSaveScreenshotPng(testDir + 'samples.html',
+    verifyNoError(t))
+})