98 lines
1.6 KiB
Go
98 lines
1.6 KiB
Go
package overlay
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import (
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"embed"
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"io"
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"os"
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"strings"
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"testing"
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)
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//go:embed _test/embed
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var embedded embed.FS
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func TestMain(m *testing.M) {
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os.Exit(m.Run())
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}
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func TestOverlay(t *testing.T) {
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tt := []struct {
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Name string
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File string
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Expected string
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}{
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{
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Name: "Embed",
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File: "test1.txt",
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Expected: "test1",
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},
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{
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Name: "Disk",
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File: "test2.txt",
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Expected: "test3",
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},
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}
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x, err := New("_test/disk", embedded, WithSub("_test/embed"), WithCaching(false))
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if err != nil {
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t.Log(err)
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t.FailNow()
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}
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for _, tc := range tt {
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t.Run(tc.Name, func(t *testing.T) {
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fi, err := x.Open(tc.File)
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if err != nil {
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t.Log(err)
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t.FailNow()
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}
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defer fi.Close()
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contents, err := io.ReadAll(fi)
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if err != nil {
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t.Log(err)
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t.FailNow()
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}
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if !strings.EqualFold(string(contents), tc.Expected) {
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t.Logf("fs did not match:\n\tgot: %s\n\texpected: %s\n", string(contents), tc.Expected)
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t.FailNow()
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}
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})
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}
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}
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var emptyFS embed.FS
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func TestInvalid(t *testing.T) {
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_, err := New("/var/lib/myapp/assets/custom", emptyFS)
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if err != nil {
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t.Log("invalid FS should not error explicitly")
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t.FailNow()
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}
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}
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func BenchmarkCache(b *testing.B) {
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x, err := New("_test/disk", embedded)
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if err != nil {
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b.Log(err)
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b.FailNow()
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}
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for idx := 0; idx < b.N; idx++ {
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x.exists("test2.txt")
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}
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}
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func BenchmarkNoCache(b *testing.B) {
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x, err := New("_test/disk", embedded, WithCaching(false))
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if err != nil {
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b.Log(err)
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b.FailNow()
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}
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for idx := 0; idx < b.N; idx++ {
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x.exists("test2.txt")
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}
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}
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