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Add -save test flag

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This commit is contained in:
Michael Fogleman 2018-08-17 11:14:38 -04:00
parent eb261f0bd1
commit 7cc16ce8b2
1 changed files with 12 additions and 1 deletions
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11
context_test.go
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@ -2,12 +2,20 @@ package gg
import ( import (
"crypto/md5" "crypto/md5"
"flag"
"fmt" "fmt"
"image/color" "image/color"
"math/rand" "math/rand"
"testing" "testing"
) )
var save bool
func init() {
flag.BoolVar(&save, "save", false, "save PNG output for each test case")
flag.Parse()
}
func hash(dc *Context) string { func hash(dc *Context) string {
return fmt.Sprintf("%x", md5.Sum(dc.im.Pix)) return fmt.Sprintf("%x", md5.Sum(dc.im.Pix))
} }
@ -20,8 +28,11 @@ func checkHash(t *testing.T, dc *Context, expected string) {
} }
func saveImage(dc *Context, name string) error { func saveImage(dc *Context, name string) error {
if save {
return SavePNG(name+".png", dc.Image()) return SavePNG(name+".png", dc.Image())
} }
return nil
}
func TestBlank(t *testing.T) { func TestBlank(t *testing.T) {
dc := NewContext(100, 100) dc := NewContext(100, 100)