Improve tests

test/helpers/test.gulpfile.js

@@ -8,7 +8,7 @@ import getStream from 'get-stream'
 
 import { exec, task, stream } from '../../src/main.js'
 
-const { command, opts, streamOpts, buffer } = JSON.parse(env.INPUT)
+const { command, opts, streamOpts, buffer = true } = JSON.parse(env.INPUT)
 
 export const execFunc = () => exec(command, opts)
 
@@ -18,10 +18,10 @@ export const streamFunc = () => src(__filename, { buffer })
   .pipe(stream(() => command, { ...opts, ...streamOpts }))
   .pipe(through.obj(execVinyl))
 
-const cExecVinyl = async function({ path, contents, execa }) {
+const cExecVinyl = async function({ contents, execa }) {
   const string = await stringifyContents({ contents, execa })
   // eslint-disable-next-line no-restricted-globals, no-console
-  console.log(`${path}\n${string}`)
+  console.log(string)
 }
 
 const stringifyContents = function({ contents, execa }) {

test/main.js

@@ -4,6 +4,11 @@ import execa from 'execa'
 const GULPFILE = `${__dirname}/helpers/test.gulpfile.js`
 
 const DATA = [
+  // { method: 'exec', command: true },
+  // { method: 'task', command: true },
+  // { method: 'stream', command: true },
+  // { method: 'stream', command: true, streamOpts: { buffer: false } },
+  // { method: 'stream', command: true, streamOpts: { result: 'save' } },
   { method: 'stream', command: 'echo test', opts: { verbose: true }, streamOpts: { result: 'save' }, buffer: false },
 ]
 
@@ -40,6 +45,10 @@ const replacePart = function(message, [before, after]) {
 const REPLACEMENTS = [
   // File paths
   [/[^ (\n]+\/[^ )\n]+/gu, '/path'],
+  // Stack traces
+  [/ +at [^]+/gu, '    at STACK TRACE'],
+  // Gulp shows file content that triggered an error
+  [/[^]+Error: /gu, ''],
   // Timestamps
   [/\[\d{2}:\d{2}:\d{2}\]/gu, '[12:00:00]'],
   // Duration