96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
package mujica
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import (
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"errors"
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"fmt"
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"testing"
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"github.com/egoist/mygo/ui"
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)
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// imageGridPicture is a plain colored picture standing in for a photo.
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func imageGridPicture(color string) ui.ImageSource {
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return ui.MustParseSVG([]byte(fmt.Sprintf(`<svg xmlns="http://www.w3.org/2000/svg" width="200" height="150"><rect width="200" height="150" fill="%s"/></svg>`, color)))
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}
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func imageGridSet(n int) []GridImage {
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colors := []string{"#7D2034", "#AD9164", "#355E80", "#326247", "#805714", "#6A5B55", "#9C3C53", "#D2C3AF", "#211C1D"}
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out := make([]GridImage, n)
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for i := range out {
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out[i] = GridImage{Source: imageGridPicture(colors[i]), Alt: fmt.Sprintf("Photo %d", i+1)}
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}
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return out
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}
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func TestImageGridLayoutsByCount(t *testing.T) {
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for n, cols := range map[int]int{1: 1, 2: 2, 3: 3, 4: 2, 5: 3, 9: 3} {
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var xs map[float32]bool
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tt := ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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ImageGrid(c, imageGridSet(n))
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}, 900, 900)
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tt.Frame()
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xs = map[float32]bool{}
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for i := range n {
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r, ok := tt.Find(fmt.Sprintf("Photo %d", i+1))
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if !ok {
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t.Fatalf("%d images: Photo %d missing", n, i+1)
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}
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xs[r.X] = true
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}
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if len(xs) != cols {
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t.Errorf("%d images in %d columns, want %d", n, len(xs), cols)
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}
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}
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}
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func TestImageGridOpensViewerAndRetries(t *testing.T) {
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imgs := imageGridSet(3)
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imgs[1] = GridImage{Alt: "Lost", Err: errors.New("404")}
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retried := -1
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tt := ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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if i, ok := ImageGrid(c, imgs).Retried(); ok {
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retried = i
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}
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}, 800, 600)
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if err := tt.Click("Photo 3"); err != nil {
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t.Fatal(err)
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}
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if !tt.HasText("Image 2 of 2") {
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t.Fatalf("viewer not at the third picture (second viewable): %q", tt.Texts())
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}
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tt.Key(0, ui.KeyEscape)
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if err := tt.Click("Retry"); err != nil {
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t.Fatal(err)
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}
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if retried != 1 {
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t.Fatalf("retried %d, want 1", retried)
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}
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}
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func TestImageGridCountLimits(t *testing.T) {
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for _, n := range []int{0, 10} {
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func() {
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defer func() {
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if recover() == nil {
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t.Errorf("%d images: no panic", n)
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}
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}()
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ui.NewTester(func(c *ui.Context) {
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Use(c, Settings{})
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ImageGrid(c, make([]GridImage, n))
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}, 100, 100)
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}()
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}
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}
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func TestImageGridSnapshot(t *testing.T) {
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imgs := imageGridSet(5)
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imgs[3] = GridImage{Alt: "Loading", Loading: true}
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imgs[4] = GridImage{Alt: "Lost", Err: errors.New("404")}
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snapshot(t, "image_grid", 420, 300, func(c *ui.Context) {
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ui.Column(c).Padding(16).Children(func() { ImageGrid(c, imgs) })
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})
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}
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