go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/cv/internal/rpc/pagination/token_test.go (about)

     1  // Copyright 2021 The LUCI 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  //      http://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 pagination
    16  
    17  import (
    18  	"context"
    19  	"testing"
    20  
    21  	"google.golang.org/grpc/codes"
    22  	"google.golang.org/protobuf/types/known/timestamppb"
    23  
    24  	"go.chromium.org/luci/common/clock/testclock"
    25  	"go.chromium.org/luci/server/secrets"
    26  
    27  	. "github.com/smartystreets/goconvey/convey"
    28  	. "go.chromium.org/luci/common/testing/assertions"
    29  )
    30  
    31  func TestPageTokens(t *testing.T) {
    32  	t.Parallel()
    33  	ctx := secrets.GeneratePrimaryTinkAEADForTest(context.Background())
    34  
    35  	Convey("Page token round trip", t, func() {
    36  		Convey("not empty", func() {
    37  			// Any proto type should work.
    38  			in := timestamppb.New(testclock.TestRecentTimeUTC)
    39  			token, err := EncryptPageToken(ctx, in)
    40  			So(err, ShouldBeNil)
    41  			out := &timestamppb.Timestamp{}
    42  			So(DecryptPageToken(ctx, token, out), ShouldBeNil)
    43  			So(out, ShouldResembleProto, in)
    44  		})
    45  		Convey("empty page token", func() {
    46  			token, err := EncryptPageToken(ctx, nil)
    47  			So(err, ShouldBeNil)
    48  			So(token, ShouldResemble, "")
    49  			out := &timestamppb.Timestamp{}
    50  			So(DecryptPageToken(ctx, token, out), ShouldBeNil)
    51  			So(out, ShouldResembleProto, &timestamppb.Timestamp{})
    52  		})
    53  		Convey("empty page token with typed nil", func() {
    54  			var typedNil *timestamppb.Timestamp
    55  			token, err := EncryptPageToken(ctx, typedNil)
    56  			So(err, ShouldBeNil)
    57  			So(token, ShouldResemble, "")
    58  		})
    59  	})
    60  
    61  	Convey("Bad page token", t, func() {
    62  		dst := &timestamppb.Timestamp{Seconds: 1, Nanos: 2}
    63  		goodToken, err := EncryptPageToken(ctx, timestamppb.New(testclock.TestRecentTimeUTC))
    64  		So(err, ShouldBeNil)
    65  		tokenBytes := []byte(goodToken)
    66  		tokenBytes[10] = '\\'
    67  		err = DecryptPageToken(ctx, string(tokenBytes), dst)
    68  		So(err, ShouldErrLike, "illegal base64")
    69  		So(err, ShouldHaveAppStatus, codes.InvalidArgument, "invalid page token")
    70  	})
    71  }