Access functions for users
diff --git a/rackspace/db/v1/users/fixtures.go b/rackspace/db/v1/users/fixtures.go
new file mode 100644
index 0000000..9fdae69
--- /dev/null
+++ b/rackspace/db/v1/users/fixtures.go
@@ -0,0 +1,119 @@
+package users
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	th "github.com/rackspace/gophercloud/testhelper"
+	fake "github.com/rackspace/gophercloud/testhelper/client"
+)
+
+const singleDB = `{"databases": [{"name": "databaseE"}]}`
+
+func setupHandler(t *testing.T, url, method, requestBody, responseBody string, status int) {
+	th.Mux.HandleFunc(url, func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, method)
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		if requestBody != "" {
+			th.TestJSONRequest(t, r, requestBody)
+		}
+
+		w.WriteHeader(status)
+
+		if responseBody != "" {
+			w.Header().Add("Content-Type", "application/json")
+			fmt.Fprintf(w, responseBody)
+		}
+	})
+}
+
+func HandleChangePasswordSuccessfully(t *testing.T, instanceID string) {
+	th.Mux.HandleFunc("/instances/"+instanceID+"/users", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		th.TestJSONRequest(t, r, `
+{
+  "users": [
+    {
+      "name": "dbuser1",
+      "password": "newpassword"
+    },
+    {
+      "name": "dbuser2",
+      "password": "anotherpassword"
+    }
+  ]
+}
+`)
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusAccepted)
+	})
+}
+
+func HandleUpdateSuccessfully(t *testing.T, instanceID, userName string) {
+	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName, func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+		th.TestJSONRequest(t, r, `
+{
+  "user": {
+    "name": "new_username",
+    "password": "new_password"
+  }
+}
+`)
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusAccepted)
+	})
+}
+
+func HandleGetSuccessfully(t *testing.T, instanceID, userName string) {
+	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName, func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Add("Content-Type", "application/json")
+
+		fmt.Fprintf(w, `
+{
+  "user": {
+    "name": "exampleuser",
+    "host": "foo",
+    "databases": [
+      {
+        "name": "databaseA"
+      },
+      {
+        "name": "databaseB"
+      }
+    ]
+  }
+}
+`)
+	})
+}
+
+func HandleListUserAccessSuccessfully(t *testing.T, instanceID, userName string) {
+	th.Mux.HandleFunc("/instances/"+instanceID+"/users/"+userName+"/databases", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
+
+		w.Header().Add("Content-Type", "application/json")
+
+		fmt.Fprintf(w, singleDB)
+	})
+}
+
+func HandleGrantUserAccessSuccessfully(t *testing.T, instanceID, userName string) {
+	url := "/instances/" + instanceID + "/users/" + userName + "/databases"
+	setupHandler(t, url, "PUT", singleDB, "", http.StatusAccepted)
+}
+
+func HandleRevokeUserAccessSuccessfully(t *testing.T, instanceID, userName, dbName string) {
+	url := "/instances/" + instanceID + "/users/" + userName + "/databases/" + dbName
+	setupHandler(t, url, "DELETE", "", "", http.StatusAccepted)
+}