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golottie_test.go
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golottie_test.go
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package golottie
import (
"context"
_ "embed"
"testing"
"time"
"github.com/icyrogue/golottie/internal/mock"
"github.com/stretchr/testify/assert"
)
//go:embed misc/test.html
var mockHTML []byte
//go:embed misc/test_badHTML.html
var badHTML []byte
// noAnimHTML contains no animation data which is necessary
// to move to the next frame
var noAnimHTML = []byte("<html><body>( ´･_･`)</body></html>")
var (
okAnimation = mock.Animation{
Width: 600,
Height: 600,
FramesTotal: 68,
Data: mockHTML,
}
badHTMLAnimation = mock.Animation{
Width: 600,
Height: 600,
FramesTotal: 68,
Data: badHTML,
}
zeroFramesAnimation = mock.Animation{
Width: 600,
Height: 600,
FramesTotal: 0,
Data: mockHTML,
}
noAnimDataAnimation = mock.Animation{
Width: 600,
Height: 600,
FramesTotal: 68,
Data: noAnimHTML,
}
)
func Test_RenderFrame(t *testing.T) {
p, c := context.WithTimeout(context.Background(), 2*time.Second)
defer c()
ctx, cancel := NewContext(p)
defer cancel()
renderer := New(ctx)
// Since we are reusing the context and its error buf, we should keep track
// of how many errors were in it before the particular test
prevErrorLen := len(ctx.Errors)
tests := []struct {
name string
animation *mock.Animation
expectedErr error
}{
{
name: "OK_animation",
animation: &okAnimation,
expectedErr: nil,
},
{
name: "ZeroFrames_animation",
animation: &zeroFramesAnimation,
expectedErr: EOF,
},
{
name: "NoData_animation",
animation: &noAnimDataAnimation,
expectedErr: context.DeadlineExceeded,
},
{
name: "BadHTML_animation",
animation: &badHTMLAnimation,
expectedErr: context.DeadlineExceeded,
},
}
for _, tt := range tests {
t.Run(tt.name, func(*testing.T) {
// Update the animation to render
err := renderer.SetAnimation(tt.animation)
if err != nil {
assert.ErrorIs(t, err, tt.expectedErr)
return
}
//nolint:all // Animation.close() doesn't return an error to check
defer tt.animation.Close()
// Go to the first frame and check the error buf, it will always
// return false and push to ctx errors if something went wrong
if !renderer.NextFrame() {
err = ctx.Errors[prevErrorLen]
prevErrorLen++
// Some errors in chromedp are not pre-defined so for now,
// just check if error exists or doesn't
if tt.expectedErr != nil {
assert.Error(t, err)
return
}
assert.NoError(t, err)
return
}
// Render frame into designated buffer
var buf []byte
err = renderer.RenderFrame(&buf)
// Some errors in chromedp are not pre-defined so for now,
// just check if error exists or doesn't
if tt.expectedErr != nil {
assert.Error(t, err)
return
}
assert.NoError(t, err)
// Check if frame has been actually rendered and err buf is clean
assert.Equal(t, prevErrorLen, len(ctx.Errors),
"render context has errors\nwhen it shouldn't:\n%s", ctx.Errors)
assert.Greater(t, len(buf), 0)
})
}
}
func Test_RenderFrameSVG(t *testing.T) {
p, c := context.WithTimeout(context.Background(), 2*time.Second)
defer c()
ctx, cancel := NewContext(p)
defer cancel()
renderer := New(ctx)
// Since we are reusing the context and its error buf, we should keep track
// of how many errors were in it before the particular test
prevErrorLen := len(ctx.Errors)
tests := []struct {
name string
animation *mock.Animation
expectedErr error
}{
{
name: "OK_animation",
animation: &okAnimation,
expectedErr: nil,
},
{
name: "BadHTML_animation",
animation: &badHTMLAnimation,
expectedErr: context.DeadlineExceeded,
},
}
for _, tt := range tests {
t.Run(tt.name, func(*testing.T) {
// Update the animation to render
err := renderer.SetAnimation(tt.animation)
if err != nil {
assert.ErrorIs(t, err, tt.expectedErr)
return
}
//nolint:all // Animation.close() doesn't return an error to check
defer tt.animation.Close()
// Go to the first frame and check the error buf, it will always
// return false and push to ctx errors if something went wrong
assert.True(t, renderer.NextFrame())
// Render frame into designated buffer
var buf string
err = renderer.RenderFrameSVG(&buf)
// Some errors in chromedp are not pre-defined so for now,
// just check if error exists or doesn't
if tt.expectedErr != nil {
assert.Error(t, err)
return
}
assert.NoError(t, err)
// Check if frame has been actually rendered and err buf is clean
assert.Equal(t, prevErrorLen, len(ctx.Errors),
"render context has errors\nwhen it shouldn't:\n%s", ctx.Errors)
assert.Greater(t, len(buf), 0)
})
}
}
type noURL struct {
mock.Animation
}
func (u *noURL) GetURL() string {
return "(ノಠ益ಠ)ノ彡┻━┻"
}
func Test_InvalidAnimation(t *testing.T) {
ctx, cancel := NewContext(context.Background())
defer cancel()
renderer := New(ctx)
assert.Error(t, renderer.SetAnimation(&noURL{}))
}