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get_test.go
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package pail
import (
"context"
"errors"
"testing"
"github.com/storacha/go-pail/internal/testutil"
"github.com/storacha/go-pail/shard"
"github.com/stretchr/testify/require"
)
func TestGet(t *testing.T) {
ctx := context.Background()
t.Run("get from root shard", func(t *testing.T) {
rb0, err := shard.MarshalBlock(shard.NewRoot(nil))
require.NoError(t, err)
bs := testutil.NewBlockstore()
err = bs.Put(ctx, rb0)
require.NoError(t, err)
r0 := rb0.Link()
k0 := "test"
v0 := testutil.RandomLink(t)
r1, diff0, err := Put(ctx, bs, r0, k0, v0)
require.NoError(t, err)
for _, b := range diff0.Additions {
err = bs.Put(ctx, b)
require.NoError(t, err)
}
for _, b := range diff0.Removals {
err = bs.Del(ctx, b.Link())
require.NoError(t, err)
}
o0, err := Get(ctx, bs, r1, k0)
require.NoError(t, err)
require.Equal(t, v0, o0)
})
t.Run("get from shard", func(t *testing.T) {
rb0, err := shard.MarshalBlock(shard.NewRoot(nil))
require.NoError(t, err)
bs := testutil.NewBlockstore()
err = bs.Put(ctx, rb0)
require.NoError(t, err)
r0 := rb0.Link()
k0 := "aaaa"
v0 := testutil.RandomLink(t)
r1, diff0, err := Put(ctx, bs, r0, k0, v0)
require.NoError(t, err)
for _, b := range diff0.Additions {
err = bs.Put(ctx, b)
require.NoError(t, err)
}
for _, b := range diff0.Removals {
err = bs.Del(ctx, b.Link())
require.NoError(t, err)
}
k1 := "aaab"
v1 := testutil.RandomLink(t)
r2, diff1, err := Put(ctx, bs, r1, k1, v1)
require.NoError(t, err)
for _, b := range diff1.Additions {
err = bs.Put(ctx, b)
require.NoError(t, err)
}
for _, b := range diff1.Removals {
err = bs.Del(ctx, b.Link())
require.NoError(t, err)
}
o0, err := Get(ctx, bs, r2, k1)
require.NoError(t, err)
require.Equal(t, v1, o0)
})
t.Run("get from shard link", func(t *testing.T) {
rb0, err := shard.MarshalBlock(shard.NewRoot(nil))
require.NoError(t, err)
bs := testutil.NewBlockstore()
err = bs.Put(ctx, rb0)
require.NoError(t, err)
r0 := rb0.Link()
k0 := "aaaa"
v0 := testutil.RandomLink(t)
r1, diff0, err := Put(ctx, bs, r0, k0, v0)
require.NoError(t, err)
for _, b := range diff0.Additions {
err = bs.Put(ctx, b)
require.NoError(t, err)
}
for _, b := range diff0.Removals {
err = bs.Del(ctx, b.Link())
require.NoError(t, err)
}
k1 := "aaa"
v1 := testutil.RandomLink(t)
r2, diff1, err := Put(ctx, bs, r1, k1, v1)
require.NoError(t, err)
for _, b := range diff1.Additions {
err = bs.Put(ctx, b)
require.NoError(t, err)
}
for _, b := range diff1.Removals {
err = bs.Del(ctx, b.Link())
require.NoError(t, err)
}
o0, err := Get(ctx, bs, r2, k1)
require.NoError(t, err)
require.Equal(t, v1, o0)
})
t.Run("not found", func(t *testing.T) {
rb0, err := shard.MarshalBlock(shard.NewRoot(nil))
require.NoError(t, err)
bs := testutil.NewBlockstore()
err = bs.Put(ctx, rb0)
require.NoError(t, err)
r0 := rb0.Link()
k0 := "test"
_, err = Get(ctx, bs, r0, k0)
require.Error(t, err)
require.True(t, errors.Is(err, ErrNotFound))
})
}