github.com/cornelk/go-cloud@v0.17.1/docstore/gcpfirestore/codec_test.go (about)

     1  // Copyright 2019 The Go Cloud Development Kit Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package gcpfirestore
    16  
    17  import (
    18  	"testing"
    19  	"time"
    20  
    21  	"github.com/cornelk/go-cloud/docstore"
    22  	"github.com/cornelk/go-cloud/docstore/drivertest"
    23  	"github.com/golang/protobuf/ptypes"
    24  	ts "github.com/golang/protobuf/ptypes/timestamp"
    25  	"github.com/google/go-cmp/cmp"
    26  	"google.golang.org/genproto/googleapis/type/latlng"
    27  )
    28  
    29  // Test that special types round-trip.
    30  // These aren't tested in the docstore-wide conformance tests.
    31  func TestCodecSpecial(t *testing.T) {
    32  	const nameField = "Name"
    33  
    34  	type S struct {
    35  		Name    string
    36  		T       time.Time
    37  		TS, TSn *ts.Timestamp
    38  		LL, LLn *latlng.LatLng
    39  	}
    40  	tm := time.Date(2019, 3, 14, 0, 0, 0, 0, time.UTC)
    41  	ts, err := ptypes.TimestampProto(tm)
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	in := &S{
    46  		Name: "name",
    47  		T:    tm,
    48  		TS:   ts,
    49  		TSn:  nil,
    50  		LL:   &latlng.LatLng{Latitude: 3, Longitude: 4},
    51  		LLn:  nil,
    52  	}
    53  	var got S
    54  
    55  	enc, err := encodeDoc(drivertest.MustDocument(in), nameField)
    56  	if err != nil {
    57  		t.Fatal(err)
    58  	}
    59  	enc.Name = "collPath/" + in.Name
    60  	gotdoc := drivertest.MustDocument(&got)
    61  	// Test type-driven decoding (where the types of the struct fields are available).
    62  	if err := decodeDoc(enc, gotdoc, nameField, docstore.DefaultRevisionField); err != nil {
    63  		t.Fatal(err)
    64  	}
    65  	if diff := cmp.Diff(&got, in); diff != "" {
    66  		t.Error(diff)
    67  	}
    68  
    69  	// Test type-blind decoding.
    70  	gotmap := map[string]interface{}{}
    71  	gotmapdoc := drivertest.MustDocument(gotmap)
    72  	if err := decodeDoc(enc, gotmapdoc, nameField, docstore.DefaultRevisionField); err != nil {
    73  		t.Fatal(err)
    74  	}
    75  	wantmap := map[string]interface{}{
    76  		"Name": "name",
    77  		"T":    in.T,
    78  		"TS":   in.T, // timestamps always decode as time.Time
    79  		"TSn":  nil,
    80  		"LL":   in.LL,
    81  		"LLn":  nil,
    82  	}
    83  	if diff := cmp.Diff(gotmap, wantmap); diff != "" {
    84  		t.Error(diff)
    85  	}
    86  }