Migrate tests to use ava

package.json

@@ -25,6 +25,7 @@
     "object-hash": "^1.1.4"
   },
   "devDependencies": {
+    "ava": "^0.17.0",
     "eslint": "^3.0.0",
     "eslint-friendly-formatter": "^2.0.4",
     "npmpub": "^3.0.1",
@@ -33,8 +34,14 @@
   },
   "scripts": {
     "lint": "eslint .",
-    "tape": "tape test/*.js",
-    "test": "npm run lint && npm run tape",
+    "ava": "ava",
+    "test": "npm run lint && npm run ava",
     "release": "npmpub"
+  },
+  "ava": {
+    "files": [
+      "test/*.js"
+    ],
+    "verbose": true
   }
 }

test/autofix.js

@@ -1,22 +1,20 @@
-var test = require("tape")
+var test = require("ava")
 var webpack = require("webpack")
-var assign = require("object-assign")
 var conf = require("./utils/conf")
 var fs = require("fs")
 
 // clone the "fixable" file, so that we do not lose the original contents
 // when the fixes are applied to disk
-test("setup", function(t) {
+test.before(function() {
   fs
     .createReadStream("./test/fixtures/fixable.js")
     .pipe(fs.createWriteStream("./test/fixtures/fixable-clone.js"))
-
-  t.end()
 })
 
-test("loader doesn't throw error if file ok after auto-fixing", function(t) {
-  webpack(assign({},
-    conf,
+test.cb("loader doesn't throw error if file ok after auto-fixing",
+function(t) {
+  t.plan(2)
+  webpack(conf(
     {
       entry: "./test/fixtures/fixable-clone.js",
       module: {
@@ -35,15 +33,14 @@ test("loader doesn't throw error if file ok after auto-fixing", function(t) {
       throw err
     }
     // console.log(stats.compilation.errors)
-    t.notOk(stats.hasErrors(), "a good file doesn't give any error")
+    t.false(stats.hasErrors(), "a good file doesn't give any error")
     // console.log(stats.compilation.warnings)
-    t.notOk(stats.hasWarnings(), "a good file doesn't give any warning")
+    t.false(stats.hasWarnings(), "a good file doesn't give any warning")
     t.end()
   })
 })
 
 // remove the clone
-test("teardown", function(t) {
+test.after.always(function() {
   fs.unlinkSync("./test/fixtures/fixable-clone.js")
-  t.end()
 })

test/error.js

@@ -1,11 +1,10 @@
-var test = require("tape")
+var test = require("ava")
 var webpack = require("webpack")
-var assign = require("object-assign")
 var conf = require("./utils/conf")
 
-test("eslint-loader can return error if file is bad", function(t) {
-  webpack(assign({},
-    conf,
+test.cb("eslint-loader can return error if file is bad", function(t) {
+  t.plan(1)
+  webpack(conf(
     {
       entry: "./test/fixtures/error.js",
     }
@@ -16,7 +15,7 @@ test("eslint-loader can return error if file is bad", function(t) {
     }
 
     // console.log(stats.compilation.errors)
-    t.ok(
+    t.true(
       stats.hasErrors(),
       "a file that contains eslint errors should return error"
     )

test/eslintignore.js

@@ -1,18 +1,17 @@
-var test = require("tape")
+var test = require("ava")
 var webpack = require("webpack")
-var assign = require("object-assign")
 var conf = require("./utils/conf")
 
-test("eslint-loader ignores files present in .eslintignore", function(t) {
-  webpack(assign({},
-    conf,
+test.cb("eslint-loader ignores files present in .eslintignore", function(t) {
+  t.plan(1)
+  webpack(conf(
     {
       entry: "./test/fixtures/ignore.js",
-      eslint: assign({}, conf.eslint, {
-        // we want to enable ignore, so eslint will parse .eslintignore and
-        // should skip the file specified above
-        ignore: true,
-      }),
+    },
+    {
+      // we want to enable ignore, so eslint will parse .eslintignore and
+      // should skip the file specified above
+      ignore: true,
     }
   ),
   function(err, stats) {
@@ -21,7 +20,7 @@ test("eslint-loader ignores files present in .eslintignore", function(t) {
     }
 
     // console.log(stats.compilation.warnings)
-    t.notOk(stats.hasWarnings(), "an ignored doesn't give a warning")
+    t.false(stats.hasWarnings(), "an ignored doesn't give a warning")
     t.end()
   })
 })

test/force-emit-error.js

@@ -0,0 +1,29 @@
+var test = require("ava")
+var webpack = require("webpack")
+var conf = require("./utils/conf")
+
+test.cb("eslint-loader can force to emit error", function(t) {
+  t.plan(2)
+  webpack(conf(
+    {
+      entry: "./test/fixtures/warn.js",
+    },
+    {
+      emitError: true,
+    }
+  ),
+  function(err, stats) {
+    if (err) {
+      throw err
+    }
+
+    // console.log(stats.compilation.errors)
+    t.true(stats.hasErrors(), "a file should return error if asked")
+    // console.log(stats.compilation.warnings)
+    t.false(
+      stats.hasWarnings(),
+      "a file should return no warning if error asked"
+    )
+    t.end()
+  })
+})

test/force-emit-warning.js

@@ -0,0 +1,26 @@
+var test = require("ava")
+var webpack = require("webpack")
+var conf = require("./utils/conf")
+
+test.cb("eslint-loader can force to emit warning", function(t) {
+  t.plan(2)
+  webpack(conf(
+    {
+      entry: "./test/fixtures/error.js",
+    },
+    {
+      emitWarning: true,
+    }
+  ),
+  function(err, stats) {
+    if (err) {
+      throw err
+    }
+
+    // console.log(stats.compilation.warnings)
+    t.true(stats.hasWarnings(), "a file should return warning if asked")
+    // console.log(stats.compilation.errors)
+    t.false(stats.hasErrors(), "a file should return no error if error asked")
+    t.end()
+  })
+})

test/formatter-custom.js

@@ -0,0 +1,34 @@
+/* eslint-disable no-console */
+var test = require("ava")
+var webpack = require("webpack")
+var conf = require("./utils/conf")
+
+test.cb("eslint-loader can use custom formatter", function(t) {
+  t.plan(1)
+  webpack(conf(
+    {
+      entry: "./test/fixtures/error.js",
+    },
+    {
+      formatter: require("eslint-friendly-formatter"),
+    }
+  ),
+  function(err, stats) {
+    if (err) {
+      throw err
+    }
+
+    console.log("### Here is a example of another formatter")
+    console.log(
+      "# " +
+      stats.compilation.errors[0].message
+        .split("\n")
+        .join("\n# ")
+    )
+    t.truthy(
+      stats.compilation.errors[0].message,
+      "webpack have some output with custom formatters"
+    )
+    t.end()
+  })
+})

test/formatter-eslint.js

@@ -0,0 +1,28 @@
+/* eslint-disable no-console */
+var test = require("ava")
+var webpack = require("webpack")
+var conf = require("./utils/conf")
+
+test.cb("eslint-loader can use eslint formatter", function(t) {
+  t.plan(1)
+  webpack(conf(
+    {
+      entry: "./test/fixtures/error.js",
+    }
+  ),
+  function(err, stats) {
+    if (err) {
+      throw err
+    }
+
+    console.log("### Here is a example of the default formatter")
+    console.log(
+      "# " +
+      stats.compilation.errors[0].message
+        .split("\n")
+        .join("\n# ")
+    )
+    t.truthy(stats.compilation.errors[0].message, "webpack have some output")
+    t.end()
+  })
+})

test/formatter-write.js

@@ -0,0 +1,54 @@
+/* eslint-disable no-console */
+var test = require("ava")
+var webpack = require("webpack")
+var conf = require("./utils/conf")
+var fs = require("fs")
+
+test.cb("eslint-loader can be configured to write eslint results to a file",
+function(t) {
+  t.plan(2)
+
+  var outputFilename = "outputReport.txt"
+  var config = conf(
+    {
+      entry: "./test/fixtures/error.js",
+    },
+    {
+      formatter: require("eslint/lib/formatters/checkstyle"),
+      outputReport: {
+        filePath: outputFilename,
+      },
+    }
+  )
+
+  webpack(config,
+  function(err, stats) {
+    if (err) {
+      throw err
+    }
+
+    console.log("### Here is a the output of the formatter")
+    console.log(
+      "# " +
+      stats.compilation.errors[0].message
+        .split("\n")
+        .join("\n# ")
+    )
+
+    fs.readFile(config.output.path + outputFilename,
+      "utf8", function(err, contents) {
+        if (err) {
+          t.fail("Expected file to have been created")
+        }
+        else {
+          t.pass("File has been created")
+
+          t.is(stats.compilation.errors[0].message, contents,
+            "File Contents should equal output")
+        }
+
+        t.end()
+
+      })
+  })
+})