Add specs

Add a basic suite of specs to ensure the package is minimally working.

package.json

@@ -9,18 +9,35 @@
     "url": "https://github.com/AtomLinter/linter-flake8"
   },
   "dependencies": {
-    "atom-linter": "^4.0.1",
+    "atom-linter": "^4.1.1",
     "atom-package-deps": "^3.0.6"
   },
   "devDependencies": {
-    "coffeelint": "^1.12.1"
+    "coffeelint": "^1.14.1",
+    "eslint": "^1.10.3",
+    "babel-eslint": "^4.1.5",
+    "eslint-config-airbnb": "^2.0.0"
   },
   "package-deps": [
     "linter"
   ],
   "scripts": {
     "lint": "./node_modules/.bin/coffeelint lib"
   },
+  "eslintConfig": {
+    "rules": {
+      "comma-dangle": 0
+    },
+    "extends": "airbnb/base",
+    "parser": "babel-eslint",
+    "globals": {
+      "atom": true
+    },
+    "env": {
+      "es6": true,
+      "node": true
+    }
+  },
   "providedServices": {
     "linter": {
       "versions": {

spec/.eslintrc

@@ -0,0 +1,8 @@
+{
+  "globals": {
+    "waitsForPromise": true
+  },
+  "env": {
+    "jasmine": true
+  }
+}

spec/fixtures/bad.py

@@ -0,0 +1 @@
+asfd

spec/fixtures/good.py

@@ -0,0 +1 @@
+"""Simple test file."""

spec/linter-flake8-spec.js

@@ -0,0 +1,66 @@
+'use babel';
+
+describe('The flake8 provider for Linter', () => {
+  const lint = require('../lib/main').provideLinter().lint;
+
+  beforeEach(() => {
+    waitsForPromise(() => {
+      return Promise.all([
+        atom.packages.activatePackage('linter-flake8'),
+        atom.packages.activatePackage('language-python').then(() =>
+          atom.workspace.open(__dirname + '/fixtures/good.py')
+        )
+      ]);
+    });
+  });
+
+  it('should be in the packages list', () => {
+    return expect(atom.packages.isPackageLoaded('linter-flake8')).toBe(true);
+  });
+
+  it('should be an active package', () => {
+    return expect(atom.packages.isPackageActive('linter-flake8')).toBe(true);
+  });
+
+  describe('checks bad.py and', () => {
+    let editor = null;
+    beforeEach(() => {
+      waitsForPromise(() => {
+        return atom.workspace.open(__dirname + '/fixtures/bad.py').then(openEditor => {
+          editor = openEditor;
+        });
+      });
+    });
+
+    it('finds at least one message', () => {
+      return lint(editor).then(messages => {
+        expect(messages.length).toBeGreaterThan(0);
+      });
+    });
+
+    it('verifies that message', () => {
+      return lint(editor).then(messages => {
+        expect(messages[0].type).toBeDefined();
+        expect(messages[0].type).toEqual('Warning');
+        expect(messages[0].html).not.toBeDefined();
+        expect(messages[0].text).toBeDefined();
+        expect(messages[0].text).toEqual('D100 — Missing docstring in public module');
+        expect(messages[0].filePath).toBeDefined();
+        expect(messages[0].filePath).toMatch(/.+spec[\\\/]fixtures[\\\/]bad\.py$/);
+        expect(messages[0].range).toBeDefined();
+        expect(messages[0].range.length).toEqual(2);
+        expect(messages[0].range).toEqual([[0, 0], [0, 1]]);
+      });
+    });
+  });
+
+  it('finds nothing wrong with a valid file', () => {
+    waitsForPromise(() => {
+      return atom.workspace.open(__dirname + '/fixtures/good.py').then(editor => {
+        return lint(editor).then(messages => {
+          expect(messages.length).toEqual(0);
+        });
+      });
+    });
+  });
+});