Function TestDropPredicate

edgraph/alter_test.go:136–183

(t *testing.T)

}

func TestDropPredicate(t *testing.T) {
	dc := dgraphtest.NewComposeCluster()
	client, cleanup, err := dc.Client()
	require.NoError(t, err)
	defer cleanup()

	// Drop all data
	require.NoError(t, client.Login(context.Background(),
		dgraphapi.DefaultUser, dgraphapi.DefaultPassword))
	require.NoError(t, client.DropAll())

	// Create two namespaces
	ctx := context.Background()
	ns1, err := client.CreateNamespace(ctx)
	require.NoError(t, err)
	ns2, err := client.CreateNamespace(ctx)
	require.NoError(t, err)

	nsMaps, err := client.ListNamespaces(ctx)
	require.NoError(t, err)
	ns1ID := nsMaps[ns1].Id
	require.NotZero(t, ns1ID)
	ns2ID := nsMaps[ns2].Id
	require.NotZero(t, ns2ID)

	// namespace 1
	require.NoError(t, client.LoginIntoNamespace(ctx,
		dgraphapi.DefaultUser, dgraphapi.DefaultPassword, ns1))
	require.NoError(t, client.SetSchema(ctx, `name: string @index(exact) .`))
	_, err = client.Mutate(&api.Mutation{
		SetNquads: []byte(`_:a <name> "Alice" .`),
		CommitNow: true,
	})
	require.NoError(t, err)
	resp, err := client.Query(`{ q(func: has(name)) { name } }`)
	require.NoError(t, err)
	require.JSONEq(t, `{"q":[{"name":"Alice"}]}`, string(resp.GetJson()))

	require.NoError(t, client.Dgraph.DropPredicate(context.Background(), "name"))

	resp, err = client.Query(`{ q(func: has(name)) { name } }`)
	require.NoError(t, err)
	require.JSONEq(t, `{"q":[]}`, string(resp.GetJson()))

	resp, err = client.Query(`schema{}`)
	require.NoError(t, err)
	require.NotContains(t, string(resp.GetJson()), `"predicate":"name"`)
}

func TestDropType(t *testing.T) {
	dc := dgraphtest.NewComposeCluster()