1/*
2Copyright 2017 Google LLC
3
4Licensed under the Apache License, Version 2.0 (the "License");
5you may not use this file except in compliance with the License.
6You may obtain a copy of the License at
7
8    http://www.apache.org/licenses/LICENSE-2.0
9
10Unless required by applicable law or agreed to in writing, software
11distributed under the License is distributed on an "AS IS" BASIS,
12WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13See the License for the specific language governing permissions and
14limitations under the License.
15*/
16
17package spanner
18
19import (
20	"math"
21	"testing"
22	"time"
23
24	"cloud.google.com/go/civil"
25	"github.com/golang/protobuf/proto"
26	proto3 "github.com/golang/protobuf/ptypes/struct"
27	sppb "google.golang.org/genproto/googleapis/spanner/v1"
28)
29
30func TestConvertParams(t *testing.T) {
31	st := Statement{
32		SQL:    "SELECT id from t_foo WHERE col = @var",
33		Params: map[string]interface{}{"var": nil},
34	}
35	var (
36		t1, _ = time.Parse(time.RFC3339Nano, "2016-11-15T15:04:05.999999999Z")
37		// Boundaries
38		t2, _ = time.Parse(time.RFC3339Nano, "0001-01-01T00:00:00.000000000Z")
39		t3, _ = time.Parse(time.RFC3339Nano, "9999-12-31T23:59:59.999999999Z")
40		d1, _ = civil.ParseDate("2016-11-15")
41		// Boundaries
42		d2, _ = civil.ParseDate("0001-01-01")
43		d3, _ = civil.ParseDate("9999-12-31")
44	)
45
46	type staticStruct struct {
47		Field int `spanner:"field"`
48	}
49	type CustomInt int64
50	type staticStructWithCustomType struct {
51		Field CustomInt `spanner:"field"`
52	}
53
54	var (
55		s1 = staticStruct{10}
56		s2 = staticStruct{20}
57		s3 = staticStructWithCustomType{30}
58	)
59
60	for _, test := range []struct {
61		val       interface{}
62		wantField *proto3.Value
63		wantType  *sppb.Type
64	}{
65		// bool
66		{true, boolProto(true), boolType()},
67		{NullBool{true, true}, boolProto(true), boolType()},
68		{NullBool{true, false}, nullProto(), boolType()},
69		{[]bool(nil), nullProto(), listType(boolType())},
70		{[]bool{}, listProto(), listType(boolType())},
71		{[]bool{true, false}, listProto(boolProto(true), boolProto(false)), listType(boolType())},
72		{[]NullBool(nil), nullProto(), listType(boolType())},
73		{[]NullBool{}, listProto(), listType(boolType())},
74		{[]NullBool{{true, true}, {}}, listProto(boolProto(true), nullProto()), listType(boolType())},
75		// int
76		{int(1), intProto(1), intType()},
77		{[]int(nil), nullProto(), listType(intType())},
78		{[]int{}, listProto(), listType(intType())},
79		{[]int{1, 2}, listProto(intProto(1), intProto(2)), listType(intType())},
80		// int64
81		{int64(1), intProto(1), intType()},
82		{NullInt64{5, true}, intProto(5), intType()},
83		{NullInt64{5, false}, nullProto(), intType()},
84		{[]int64(nil), nullProto(), listType(intType())},
85		{[]int64{}, listProto(), listType(intType())},
86		{[]int64{1, 2}, listProto(intProto(1), intProto(2)), listType(intType())},
87		{[]NullInt64(nil), nullProto(), listType(intType())},
88		{[]NullInt64{}, listProto(), listType(intType())},
89		{[]NullInt64{{1, true}, {}}, listProto(intProto(1), nullProto()), listType(intType())},
90		// float64
91		{0.0, floatProto(0.0), floatType()},
92		{math.Inf(1), floatProto(math.Inf(1)), floatType()},
93		{math.Inf(-1), floatProto(math.Inf(-1)), floatType()},
94		{math.NaN(), floatProto(math.NaN()), floatType()},
95		{NullFloat64{2.71, true}, floatProto(2.71), floatType()},
96		{NullFloat64{1.41, false}, nullProto(), floatType()},
97		{[]float64(nil), nullProto(), listType(floatType())},
98		{[]float64{}, listProto(), listType(floatType())},
99		{[]float64{2.72, math.Inf(1)}, listProto(floatProto(2.72), floatProto(math.Inf(1))), listType(floatType())},
100		{[]NullFloat64(nil), nullProto(), listType(floatType())},
101		{[]NullFloat64{}, listProto(), listType(floatType())},
102		{[]NullFloat64{{2.72, true}, {}}, listProto(floatProto(2.72), nullProto()), listType(floatType())},
103		// string
104		{"", stringProto(""), stringType()},
105		{"foo", stringProto("foo"), stringType()},
106		{NullString{"bar", true}, stringProto("bar"), stringType()},
107		{NullString{"bar", false}, nullProto(), stringType()},
108		{[]string(nil), nullProto(), listType(stringType())},
109		{[]string{}, listProto(), listType(stringType())},
110		{[]string{"foo", "bar"}, listProto(stringProto("foo"), stringProto("bar")), listType(stringType())},
111		{[]NullString(nil), nullProto(), listType(stringType())},
112		{[]NullString{}, listProto(), listType(stringType())},
113		{[]NullString{{"foo", true}, {}}, listProto(stringProto("foo"), nullProto()), listType(stringType())},
114		// bytes
115		{[]byte{}, bytesProto([]byte{}), bytesType()},
116		{[]byte{1, 2, 3}, bytesProto([]byte{1, 2, 3}), bytesType()},
117		{[]byte(nil), nullProto(), bytesType()},
118		{[][]byte(nil), nullProto(), listType(bytesType())},
119		{[][]byte{}, listProto(), listType(bytesType())},
120		{[][]byte{{1}, []byte(nil)}, listProto(bytesProto([]byte{1}), nullProto()), listType(bytesType())},
121		// date
122		{d1, dateProto(d1), dateType()},
123		{NullDate{civil.Date{}, false}, nullProto(), dateType()},
124		{[]civil.Date(nil), nullProto(), listType(dateType())},
125		{[]civil.Date{}, listProto(), listType(dateType())},
126		{[]civil.Date{d1, d2, d3}, listProto(dateProto(d1), dateProto(d2), dateProto(d3)), listType(dateType())},
127		{[]NullDate{{d2, true}, {}}, listProto(dateProto(d2), nullProto()), listType(dateType())},
128		// timestamp
129		{t1, timeProto(t1), timeType()},
130		{NullTime{}, nullProto(), timeType()},
131		{[]time.Time(nil), nullProto(), listType(timeType())},
132		{[]time.Time{}, listProto(), listType(timeType())},
133		{[]time.Time{t1, t2, t3}, listProto(timeProto(t1), timeProto(t2), timeProto(t3)), listType(timeType())},
134		{[]NullTime{{t2, true}, {}}, listProto(timeProto(t2), nullProto()), listType(timeType())},
135		// Struct
136		{
137			s1,
138			listProto(intProto(10)),
139			structType(mkField("field", intType())),
140		},
141		{
142			s3,
143			listProto(intProto(30)),
144			structType(mkField("field", intType())),
145		},
146		{
147			(*struct {
148				F1 civil.Date `spanner:""`
149				F2 bool
150			})(nil),
151			nullProto(),
152			structType(
153				mkField("", dateType()),
154				mkField("F2", boolType())),
155		},
156		// Array-of-struct
157		{
158			[]staticStruct{s1, s2},
159			listProto(listProto(intProto(10)), listProto(intProto(20))),
160			listType(structType(mkField("field", intType()))),
161		},
162		// Untyped null
163		{
164			nil,
165			nullProto(),
166			nil,
167		},
168	} {
169		st.Params["var"] = test.val
170		gotParams, gotParamTypes, gotErr := st.convertParams()
171		if gotErr != nil {
172			t.Error(gotErr)
173			continue
174		}
175		gotParamField := gotParams.Fields["var"]
176		if !proto.Equal(gotParamField, test.wantField) {
177			// handle NaN
178			if test.wantType.Code == floatType().Code && proto.MarshalTextString(gotParamField) == proto.MarshalTextString(test.wantField) {
179				continue
180			}
181			t.Errorf("%#v: got %v, want %v\n", test.val, gotParamField, test.wantField)
182		}
183		gotParamType := gotParamTypes["var"]
184		if !proto.Equal(gotParamType, test.wantType) {
185			t.Errorf("%#v: got %v, want %v\n", test.val, gotParamType, test.wantField)
186		}
187	}
188}
189
190func TestNewStatement(t *testing.T) {
191	s := NewStatement("query")
192	if got, want := s.SQL, "query"; got != want {
193		t.Errorf("got %q, want %q", got, want)
194	}
195}
196