ci: migrate from Travis to GitHub Actions (#7)

* ci: migrate from Travis to GitHub Actions

* Fix lint errors

Co-authored-by: Sourcegraph Bot <campaigns@sourcegraph.com>

Author: unknwon

.github/workflows/go.yml

@@ -0,0 +1,45 @@
+name: Go
+on:
+  push:
+    branches: [master]
+  pull_request:
+env:
+  GOPROXY: "https://proxy.golang.org"
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run golangci-lint
+        uses: actions-contrib/golangci-lint@v1
+
+  test:
+    name: Test
+    strategy:
+      matrix:
+        go-version: [1.13.x, 1.14.x]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Run unit tests
+        run: go test -v -race -coverprofile=coverage -covermode=atomic ./...
+      - name: Upload coverage report to Codecov
+        uses: codecov/codecov-action@v1.0.6
+        with:
+          file: ./coverage
+          flags: unittests
+      - name: Cache downloaded modules
+        uses: actions/cache@v1
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-

.travis.yml

@@ -1,4 +1,9 @@
-# captcha [![Build Status](https://travis-ci.org/go-macaron/captcha.svg?branch=master)](https://travis-ci.org/go-macaron/captcha)
+# captcha
+
+[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/go-macaron/captcha/Go?logo=github&style=for-the-badge)](https://github.com/go-macaron/captcha/actions?query=workflow%3AGo)
+[![codecov](https://img.shields.io/codecov/c/github/go-macaron/captcha/master?logo=codecov&style=for-the-badge)](https://codecov.io/gh/go-macaron/captcha)
+[![GoDoc](https://img.shields.io/badge/GoDoc-Reference-blue?style=for-the-badge&logo=go)](https://pkg.go.dev/github.com/go-macaron/captcha?tab=doc)
+[![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-macaron/captcha)
 
 Middleware captcha provides captcha service for [Macaron](https://github.com/go-macaron/macaron).
 

README.md

@@ -23,8 +23,8 @@ import (
 	"path"
 	"strings"
 
-	"github.com/unknwon/com"
 	"github.com/go-macaron/cache"
+	"github.com/unknwon/com"
 	"gopkg.in/macaron.v1"
 )
 
@@ -91,7 +91,7 @@ func (c *Captcha) CreateCaptcha() (string, error) {
 
 // verify from a request
 func (c *Captcha) VerifyReq(req macaron.Request) bool {
-	req.ParseForm()
+	_ = req.ParseForm()
 	return c.Verify(req.Form.Get(c.FieldIdName), req.Form.Get(c.FieldCaptchaName))
 }
 
@@ -111,7 +111,9 @@ func (c *Captcha) Verify(id string, challenge string) bool {
 		return false
 	}
 
-	defer c.store.Delete(key)
+	defer func() {
+		_ = c.store.Delete(key)
+	}()
 
 	if len(chars) != len(challenge) {
 		return false
@@ -227,15 +229,15 @@ func Captchaer(options ...Options) macaron.Handler {
 				chars = cpt.genRandChars()
 				if err := cpt.store.Put(key, chars, cpt.Expiration); err != nil {
 					ctx.Status(500)
-					ctx.Write([]byte("captcha reload error"))
+					_, _ = ctx.Write([]byte("captcha reload error"))
 					panic(fmt.Errorf("reload captcha: %v", err))
 				}
 			} else {
 				if v, ok := cpt.store.Get(key).(string); ok {
 					chars = v
 				} else {
 					ctx.Status(404)
-					ctx.Write([]byte("captcha not found"))
+					_, _ = ctx.Write([]byte("captcha not found"))
 					return
 				}
 			}

captcha.go

@@ -46,7 +46,7 @@ func BenchmarkImageWriteTo(b *testing.B) {
 	counter := &byteCounter{}
 	for i := 0; i < b.N; i++ {
 		img := NewImage(d, stdWidth, stdHeight, color.Palette{})
-		img.WriteTo(counter)
+		_, _ = img.WriteTo(counter)
 		b.SetBytes(counter.n)
 		counter.n = 0
 	}