github.com/creachadair/ffs@v0.17.3/storage/cachestore/cachestore_test.go (about)

     1  // Copyright 2020 Michael J. Fromberger. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cachestore_test
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/creachadair/ffs/blob"
    21  	"github.com/creachadair/ffs/blob/memstore"
    22  	"github.com/creachadair/ffs/blob/storetest"
    23  	"github.com/creachadair/ffs/storage/cachestore"
    24  )
    25  
    26  var (
    27  	_ blob.KV          = (*cachestore.KV)(nil)
    28  	_ blob.StoreCloser = cachestore.Store{}
    29  )
    30  
    31  func TestStore(t *testing.T) {
    32  	s := cachestore.New(memstore.New(nil), 100)
    33  	storetest.Run(t, storetest.NopCloser(s))
    34  }
    35  
    36  func TestRegression_keyMap(t *testing.T) {
    37  	const data = "stuff"
    38  	m := memstore.NewKV()
    39  	m.Put(t.Context(), blob.PutOptions{
    40  		Key:  "init",
    41  		Data: []byte(data),
    42  	})
    43  	c := cachestore.NewKV(m, 100)
    44  	got, err := c.Get(t.Context(), "init")
    45  	if err != nil {
    46  		t.Fatalf("Get failed: %v", err)
    47  	} else if s := string(got); s != data {
    48  		t.Fatalf("Wrong data: got %#q, want %#q", s, data)
    49  	}
    50  }
    51  
    52  func TestRecurrentList(t *testing.T) {
    53  	ctx := t.Context()
    54  
    55  	want := map[string]string{
    56  		"1": "one",
    57  		"2": "two",
    58  		"3": "three",
    59  		"4": "four",
    60  	}
    61  	base := memstore.New(func() blob.KV {
    62  		return memstore.NewKV().Init(want)
    63  	})
    64  	cs := cachestore.New(base, 100)
    65  	kv := storetest.SubKV(t, ctx, cs, "test")
    66  
    67  	for key, err := range kv.List(ctx, "") {
    68  		if err != nil {
    69  			t.Fatalf("List: unexpected error: %v", err)
    70  		}
    71  		if got, err := kv.Get(ctx, key); err != nil {
    72  			t.Errorf("Get %q: unexpected error: %v", key, err)
    73  		} else if string(got) != want[key] {
    74  			t.Errorf("Get %q: got %q, want %q", key, got, want[key])
    75  		}
    76  
    77  		for k2, err := range kv.List(ctx, key) {
    78  			if err != nil {
    79  				t.Fatalf("Inner List: unexpected error: %v", err)
    80  			}
    81  			t.Logf("List %q OK", k2)
    82  		}
    83  	}
    84  }