all: setup tests

Author: changkun

.github/FUNDING.yml

@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [changkun] # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/workflows/code2img.yml

@@ -0,0 +1,33 @@
+# Copyright 2021 The golang.design Initiative authors.
+# All rights reserved. Use of this source code is governed
+# by a GNU GPL-3.0 license that can be found in the LICENSE file.
+#
+# Written by Changkun Ou <changkun.de>
+
+name: code2img
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  platform_test:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+      with:
+        stable: 'false'
+        go-version: '1.16.0'
+
+    - name: Test
+      run: |
+        go test -v -covermode=atomic ./...

code2img.go

@@ -1,6 +1,8 @@
-// Copyright 2020 The golang.design Initiative authors.
+// Copyright 2021 The golang.design Initiative authors.
 // All rights reserved. Use of this source code is governed
 // by a GNU GPL-3.0 license that can be found in the LICENSE file.
+//
+// Written by Changkun Ou <changkun.de>
 
 package code2img
 

code2img_test.go

@@ -0,0 +1,50 @@
+// Copyright 2021 The golang.design Initiative authors.
+// All rights reserved. Use of this source code is governed
+// by a GNU GPL-3.0 license that can be found in the LICENSE file.
+//
+// Written by Changkun Ou <changkun.de>
+
+package code2img_test
+
+import (
+	"bytes"
+	"image/png"
+	"math"
+	"os"
+	"testing"
+
+	"golang.design/x/code2img"
+)
+
+func TestRender(t *testing.T) {
+	got, err := code2img.Render(`import "golang.design/x/code2img`)
+	if err != nil {
+		t.Fatalf("render failed: %v", err)
+	}
+
+	imgGot, err := png.Decode(bytes.NewReader(got))
+	if err != nil {
+		t.Fatalf("cannot read rendered image: %v", err)
+	}
+
+	want, err := os.ReadFile("testdata.png")
+	if err != nil {
+		t.Fatalf("cannot read gold test file: %v", err)
+	}
+
+	imgWant, err := png.Decode(bytes.NewReader(want))
+	if err != nil {
+		t.Fatalf("cannot read gold image: %v", err)
+	}
+
+	if math.Abs(float64(imgGot.Bounds().Dx()-imgWant.Bounds().Dx())) > 5 ||
+		math.Abs(float64(imgGot.Bounds().Dy()-imgWant.Bounds().Dy())) > 5 {
+
+		err := os.WriteFile("got.png", got, os.ModePerm)
+		if err != nil {
+			t.Errorf("failed to write image: %v", err)
+		}
+
+		t.Fatalf("image size does not match: got %+v, want %+v", imgGot.Bounds(), imgWant.Bounds())
+	}
+}

go.mod

@@ -1,11 +1,10 @@
 module golang.design/x/code2img
 
-go 1.15
+go 1.16
 
 require (
 	github.com/chromedp/cdproto v0.0.0-20200116234248-4da64dd111ac
 	github.com/chromedp/chromedp v0.5.3
 	github.com/gin-gonic/gin v1.6.3
 	github.com/google/uuid v1.1.2
-	github.com/sirupsen/logrus v1.7.0
 )

go.sum

@@ -44,18 +44,14 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLD
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
-github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
-golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42 h1:vEOn+mP2zCOVzKckCZy6YsCtDblrpj/w7B9nxGNELpg=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=