Add datastore functionality
diff --git a/rackspace/db/v1/datastores/requests_test.go b/rackspace/db/v1/datastores/requests_test.go
new file mode 100644
index 0000000..36e6b32
--- /dev/null
+++ b/rackspace/db/v1/datastores/requests_test.go
@@ -0,0 +1,82 @@
+package datastores
+
+import (
+	"testing"
+
+	"github.com/rackspace/gophercloud/pagination"
+	th "github.com/rackspace/gophercloud/testhelper"
+	fake "github.com/rackspace/gophercloud/testhelper/client"
+	"github.com/rackspace/gophercloud/testhelper/fixture"
+)
+
+func TestList(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	fixture.SetupHandler(t, "/datastores", "GET", "", listDSResp, 200)
+
+	pages := 0
+
+	err := List(fake.ServiceClient()).EachPage(func(page pagination.Page) (bool, error) {
+		pages++
+
+		actual, err := ExtractDatastores(page)
+		if err != nil {
+			return false, err
+		}
+
+		th.CheckDeepEquals(t, []Datastore{exampleDatastore}, actual)
+
+		return true, nil
+	})
+
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, 1, pages)
+}
+
+func TestGet(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	fixture.SetupHandler(t, "/datastores/{dsID}", "GET", "", getDSResp, 200)
+
+	ds, err := Get(fake.ServiceClient(), "{dsID}").Extract()
+	th.AssertNoErr(t, err)
+	th.AssertDeepEquals(t, &exampleDatastore, ds)
+}
+
+func TestListVersions(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	fixture.SetupHandler(t, "/datastores/{dsID}/versions", "GET", "", listVersionsResp, 200)
+
+	pages := 0
+
+	err := ListVersions(fake.ServiceClient(), "{dsID}").EachPage(func(page pagination.Page) (bool, error) {
+		pages++
+
+		actual, err := ExtractVersions(page)
+		if err != nil {
+			return false, err
+		}
+
+		th.CheckDeepEquals(t, exampleVersions, actual)
+
+		return true, nil
+	})
+
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, 1, pages)
+}
+
+func TestGetVersion(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+
+	fixture.SetupHandler(t, "/datastores/{dsID}/versions/{versionID}", "GET", "", getVersionResp, 200)
+
+	ds, err := GetVersion(fake.ServiceClient(), "{dsID}", "{versionID}").Extract()
+	th.AssertNoErr(t, err)
+	th.AssertDeepEquals(t, &exampleVersion1, ds)
+}