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vendor/cloud.google.com/go/spanner/statement_test.go

@@ -0,0 +1,64 @@
+/*
+Copyright 2017 Google Inc. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package spanner
+
+import (
+	"reflect"
+	"testing"
+
+	proto3 "github.com/golang/protobuf/ptypes/struct"
+
+	sppb "google.golang.org/genproto/googleapis/spanner/v1"
+)
+
+// Test Statement.bindParams.
+func TestBindParams(t *testing.T) {
+	// Verify Statement.bindParams generates correct values and types.
+	want := sppb.ExecuteSqlRequest{
+		Params: &proto3.Struct{
+			Fields: map[string]*proto3.Value{
+				"var1": stringProto("abc"),
+				"var2": intProto(1),
+			},
+		},
+		ParamTypes: map[string]*sppb.Type{
+			"var1": stringType(),
+			"var2": intType(),
+		},
+	}
+	st := Statement{
+		SQL:    "SELECT id from t_foo WHERE col1 = @var1 AND col2 = @var2",
+		Params: map[string]interface{}{"var1": "abc", "var2": int64(1)},
+	}
+	got := sppb.ExecuteSqlRequest{}
+	if err := st.bindParams(&got); err != nil || !reflect.DeepEqual(got, want) {
+		t.Errorf("bind result: \n(%v, %v)\nwant\n(%v, %v)\n", got, err, want, nil)
+	}
+	// Verify type error reporting.
+	st.Params["var2"] = struct{}{}
+	wantErr := errBindParam("var2", struct{}{}, errEncoderUnsupportedType(struct{}{}))
+	if err := st.bindParams(&got); !reflect.DeepEqual(err, wantErr) {
+		t.Errorf("got unexpected error: %v, want: %v", err, wantErr)
+	}
+}
+
+func TestNewStatement(t *testing.T) {
+	s := NewStatement("query")
+	if got, want := s.SQL, "query"; got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}