49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
package storage
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import "testing"
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func TestFitsWithin(t *testing.T) {
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cases := []struct {
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name string
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w, h, maxSide int
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want bool
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}{
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{"未设置上限时恒为真", 8000, 8000, 0, true},
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{"负上限等同于不限制", 8000, 8000, -1, true},
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{"宽高均在限内", 512, 512, 512, true},
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{"刚好等于上限", 1600, 1200, 1600, true},
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{"仅超宽", 1921, 1080, 1920, false},
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{"仅超高（竖图长边此前不受约束）", 1080, 10000, 1920, false},
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{"双向超限", 4000, 5000, 1600, false},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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if got := fitsWithin(c.w, c.h, c.maxSide); got != c.want {
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t.Fatalf("fitsWithin(%d, %d, %d) = %v, want %v", c.w, c.h, c.maxSide, got, c.want)
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}
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})
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}
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}
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// 各用途档位必须与其展示场景相称：头像按前端 cropper 输出上限兜底，
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// 背景保留铺满宽度所需尺寸，通用图取折中值。
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func TestEncodeSpecTiers(t *testing.T) {
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if avatarEncodeSpec.MaxSide != 512 {
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t.Errorf("avatar MaxSide = %d, want 512", avatarEncodeSpec.MaxSide)
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}
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if backgroundEncodeSpec.MaxSide != 1920 {
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t.Errorf("background MaxSide = %d, want 1920", backgroundEncodeSpec.MaxSide)
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}
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if GeneralEncodeSpec.MaxSide != 1600 {
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t.Errorf("general MaxSide = %d, want 1600", GeneralEncodeSpec.MaxSide)
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}
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for name, s := range map[string]EncodeSpec{
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"avatar": avatarEncodeSpec, "background": backgroundEncodeSpec, "general": GeneralEncodeSpec,
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} {
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if s.Quality <= 0 || s.Quality > 100 {
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t.Errorf("%s Quality = %v, out of range (0,100]", name, s.Quality)
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}
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}
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}
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