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More tests for disk cache

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This commit is contained in:
Kovid Goyal
2025-09-30 11:16:49 +05:30
parent ec6910074f
commit ca0ff68d8e
3 changed files with 61 additions and 24 deletions
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45
tools/disk_cache/implementation_test.go
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@@ -3,6 +3,8 @@ package disk_cache
import (
"fmt"
"os"
"slices"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
@@ -17,6 +19,11 @@ func TestDiskCache(t *testing.T) {
if err != nil {
t.Fatal(err)
}
dc2, err := NewDiskCache(tdir, dc.MaxSize)
if err != nil {
t.Fatal(err)
}
m := dc.Get("missing", "one", "two")
if diff := cmp.Diff(m, make(map[string]string)); diff != "" {
t.Fatalf("Unexpected return from missing: %s", diff)
@@ -24,18 +31,42 @@ func TestDiskCache(t *testing.T) {
dc.Add("k1", map[string][]byte{"1": []byte("abcd"), "2": []byte("efgh")})
ad := func(key string, expected map[string]string) {
actual := dc.Get(key, utils.Keys(expected)...)
for _, x := range []*DiskCache{dc, dc2} {
actual := x.Get(key, utils.Keys(expected)...)
for k, path := range actual {
d, err := os.ReadFile(path)
for k, path := range actual {
d, err := os.ReadFile(path)
if err != nil {
t.Fatal(err)
}
actual[k] = string(d)
}
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("Data for %s not equal: %s", key, diff)
}
}
}
ak := func(keys ...string) {
for _, x := range []*DiskCache{dc, dc2} {
kk, err := x.keys()
if err != nil {
t.Fatal(err)
}
actual[k] = string(d)
}
if diff := cmp.Diff(expected, actual); diff != "" {
t.Fatalf("Data for %s not equal: %s", key, diff)
slices.Sort(kk)
slices.Sort(keys)
if diff := cmp.Diff(keys, kk); diff != "" {
t.Fatalf("Unexpected keys: %s", diff)
}
}
}
ad("k1", map[string]string{"1": "abcd", "2": "efgh"})
dc.Add("k1", map[string][]byte{"3": []byte("ijk"), "4": []byte("lmo")})
dc2.Add("k2", map[string][]byte{"1": []byte("123456789")})
ad("k1", map[string]string{"1": "abcd", "2": "efgh", "3": "ijk"})
if dc.entries.TotalSize != 14+9 {
t.Fatalf("TotalSize: %d != %d", dc.entries.TotalSize, 14+9)
}
ak("k1", "k2")
dc.Add("k3", map[string][]byte{"1": []byte(strings.Repeat("a", int(dc.MaxSize)-10))})
ak("k3", "k2")
}