Added a basic homepage

internal/services/cache_test.go

@@ -0,0 +1,105 @@
+package services
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCacheClient(t *testing.T) {
+	type cacheTest struct {
+		Value string
+	}
+
+	// Cache some data
+	data := cacheTest{Value: "abcdef"}
+	group := "testgroup"
+	key := "testkey"
+	err := c.Cache.
+		Set().
+		Group(group).
+		Key(key).
+		Data(data).
+		Expiration(500 * time.Millisecond).
+		Save(context.Background())
+	require.NoError(t, err)
+
+	// Get the data
+	fromCache, err := c.Cache.
+		Get().
+		Group(group).
+		Key(key).
+		Fetch(context.Background())
+	require.NoError(t, err)
+	cast, ok := fromCache.(cacheTest)
+	require.True(t, ok)
+	assert.Equal(t, data, cast)
+
+	// The same key with the wrong group should fail
+	_, err = c.Cache.
+		Get().
+		Key(key).
+		Fetch(context.Background())
+	assert.Equal(t, ErrCacheMiss, err)
+
+	// Flush the data
+	err = c.Cache.
+		Flush().
+		Group(group).
+		Key(key).
+		Execute(context.Background())
+	require.NoError(t, err)
+
+	// The data should be gone
+	assertFlushed := func(key string) {
+		// The data should be gone
+		_, err = c.Cache.
+			Get().
+			Group(group).
+			Key(key).
+			Fetch(context.Background())
+		assert.Equal(t, ErrCacheMiss, err)
+	}
+	assertFlushed(key)
+
+	// Set with tags
+	key = "testkey2"
+	err = c.Cache.
+		Set().
+		Group(group).
+		Key(key).
+		Data(data).
+		Tags("tag1", "tag2").
+		Expiration(time.Hour).
+		Save(context.Background())
+	require.NoError(t, err)
+
+	// Check the tag index
+	index := c.Cache.store.(*inMemoryCacheStore).tagIndex
+	gk := c.Cache.cacheKey(group, key)
+	_, exists := index.tags["tag1"][gk]
+	assert.True(t, exists)
+	_, exists = index.tags["tag2"][gk]
+	assert.True(t, exists)
+	_, exists = index.keys[gk]["tag1"]
+	assert.True(t, exists)
+	_, exists = index.keys[gk]["tag2"]
+	assert.True(t, exists)
+
+	// Flush one of tags
+	err = c.Cache.
+		Flush().
+		Tags("tag1").
+		Execute(context.Background())
+	require.NoError(t, err)
+
+	// The data should be gone
+	assertFlushed(key)
+
+	// The index should be empty
+	assert.Empty(t, index.tags)
+	assert.Empty(t, index.keys)
+}