diff --git a/handlers/paste_test.go b/handlers/paste_test.go
index c4761e7..15cc9c2 100644
--- a/handlers/paste_test.go
+++ b/handlers/paste_test.go
@@ -10,35 +10,11 @@ import (
 	"testing"
 
 	"github.com/gorilla/mux"
-	"github.com/mtlynch/logpaste/store"
+	"github.com/mtlynch/logpaste/store/test_sqlite"
 )
 
-type mockStore struct {
-	entries map[string]string
-}
-
-func (ds mockStore) GetEntry(id string) (string, error) {
-	if contents, ok := ds.entries[id]; ok {
-		return contents, nil
-	}
-	return "", store.EntryNotFoundError{ID: id}
-}
-
-func (ds *mockStore) InsertEntry(id string, contents string) error {
-	ds.entries[id] = contents
-	return nil
-}
-
-func (ds *mockStore) Reset() {
-	ds.entries = make(map[string]string)
-}
-
 func TestPasteGet(t *testing.T) {
-	ds := mockStore{
-		entries: map[string]string{
-			"12345678": "dummy entry",
-		},
-	}
+	ds := test_sqlite.New()
 	router := mux.NewRouter()
 	s := defaultServer{
 		store:  &ds,
@@ -124,9 +100,7 @@ func TestPastePut(t *testing.T) {
 		},
 	} {
 		t.Run(tt.description, func(t *testing.T) {
-			ds := mockStore{
-				entries: make(map[string]string),
-			}
+			ds := test_sqlite.New()
 			router := mux.NewRouter()
 			s := defaultServer{
 				store:  &ds,
@@ -167,15 +141,6 @@ func TestPastePut(t *testing.T) {
 }
 
 func TestPastePost(t *testing.T) {
-	ds := mockStore{
-		entries: make(map[string]string),
-	}
-	router := mux.NewRouter()
-	s := defaultServer{
-		store:  &ds,
-		router: router,
-	}
-	s.routes()
 	for _, tt := range []struct {
 		description      string
 		contentType      string
@@ -251,7 +216,13 @@ some data in a file
 		},
 	} {
 		t.Run(tt.description, func(t *testing.T) {
-			ds.Reset()
+			ds := test_sqlite.New()
+			router := mux.NewRouter()
+			s := defaultServer{
+				store:  &ds,
+				router: router,
+			}
+			s.routes()
 
 			req, err := http.NewRequest("POST", "/",
 				strings.NewReader(strings.ReplaceAll(tt.body, "\n", "\r\n")))
diff --git a/handlers/server.go b/handlers/server.go
index 56e9532..52a791d 100644
--- a/handlers/server.go
+++ b/handlers/server.go
@@ -15,7 +15,7 @@ type Server interface {
 func New(sp SiteProperties, perMinuteLimit int) Server {
 	s := defaultServer{
 		router:        mux.NewRouter(),
-		store:         sqlite.New(),
+		store:         sqlite.New("data/store.db"),
 		siteProps:     sp,
 		ipRateLimiter: limit.New(perMinuteLimit),
 	}
diff --git a/store/sqlite/sqlite.go b/store/sqlite/sqlite.go
index 370e9a1..a0fb685 100644
--- a/store/sqlite/sqlite.go
+++ b/store/sqlite/sqlite.go
@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"log"
 	"os"
+	"path/filepath"
 	"time"
 
 	_ "github.com/mattn/go-sqlite3"
@@ -15,10 +16,9 @@ type db struct {
 	ctx *sql.DB
 }
 
-func New() store.Store {
-	dbDir := "data"
-	ensureDirExists(dbDir)
-	ctx, err := sql.Open("sqlite3", dbDir+"/store.db")
+func New(path string) store.Store {
+	ensureDirExists(filepath.Dir(path))
+	ctx, err := sql.Open("sqlite3", path)
 	if err != nil {
 		log.Fatalln(err)
 	}
diff --git a/store/test_sqlite/db.go b/store/test_sqlite/db.go
new file mode 100644
index 0000000..7ca3e74
--- /dev/null
+++ b/store/test_sqlite/db.go
@@ -0,0 +1,18 @@
+package test_sqlite
+
+import (
+	"fmt"
+
+	"github.com/mtlynch/logpaste/random"
+	"github.com/mtlynch/logpaste/store"
+	"github.com/mtlynch/logpaste/store/sqlite"
+)
+
+func New() store.Store {
+	return sqlite.New(ephemeralDbURI())
+}
+
+func ephemeralDbURI() string {
+	name := random.String(10)
+	return fmt.Sprintf("file:%s?mode=memory&cache=shared", name)
+}