add GDrive provider support (#118)

* GDrive provider support
* More reliable basedir ownership
* Fix mimetype

vendor/cloud.google.com/go/firestore/options_test.go

@@ -0,0 +1,151 @@
+// Copyright 2017 Google LLC
+//
+// 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 firestore
+
+import (
+	"testing"
+
+	pb "google.golang.org/genproto/googleapis/firestore/v1beta1"
+)
+
+func TestProcessPreconditionsForVerify(t *testing.T) {
+	for _, test := range []struct {
+		in      []Precondition
+		want    *pb.Precondition
+		wantErr bool
+	}{
+		{
+			in:   nil,
+			want: nil,
+		},
+		{
+			in:   []Precondition{},
+			want: nil,
+		},
+		{
+			in:   []Precondition{Exists},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_Exists{true}},
+		},
+		{
+			in:   []Precondition{LastUpdateTime(aTime)},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_UpdateTime{aTimestamp}},
+		},
+		{
+			in:      []Precondition{Exists, LastUpdateTime(aTime)},
+			wantErr: true,
+		},
+		{
+			in:      []Precondition{Exists, Exists},
+			wantErr: true,
+		},
+	} {
+		got, err := processPreconditionsForVerify(test.in)
+		switch {
+		case test.wantErr && err == nil:
+			t.Errorf("%v: got nil, want error", test.in)
+		case !test.wantErr && err != nil:
+			t.Errorf("%v: got <%v>, want no error", test.in, err)
+		case !test.wantErr && err == nil && !testEqual(got, test.want):
+			t.Errorf("%v: got %+v, want %v", test.in, got, test.want)
+		}
+	}
+}
+
+func TestProcessPreconditionsForDelete(t *testing.T) {
+	for _, test := range []struct {
+		in      []Precondition
+		want    *pb.Precondition
+		wantErr bool
+	}{
+		{
+			in:   nil,
+			want: nil,
+		},
+		{
+			in:   []Precondition{},
+			want: nil,
+		},
+		{
+			in:   []Precondition{Exists},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_Exists{true}},
+		},
+		{
+			in:   []Precondition{LastUpdateTime(aTime)},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_UpdateTime{aTimestamp}},
+		},
+		{
+			in:      []Precondition{Exists, LastUpdateTime(aTime)},
+			wantErr: true,
+		},
+		{
+			in:      []Precondition{Exists, Exists},
+			wantErr: true,
+		},
+	} {
+		got, err := processPreconditionsForDelete(test.in)
+		switch {
+		case test.wantErr && err == nil:
+			t.Errorf("%v: got nil, want error", test.in)
+		case !test.wantErr && err != nil:
+			t.Errorf("%v: got <%v>, want no error", test.in, err)
+		case !test.wantErr && err == nil && !testEqual(got, test.want):
+			t.Errorf("%v: got %+v, want %v", test.in, got, test.want)
+		}
+	}
+}
+
+func TestProcessPreconditionsForUpdate(t *testing.T) {
+	for _, test := range []struct {
+		in      []Precondition
+		want    *pb.Precondition
+		wantErr bool
+	}{
+		{
+			in:   nil,
+			want: &pb.Precondition{ConditionType: &pb.Precondition_Exists{true}},
+		},
+		{
+			in:   []Precondition{},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_Exists{true}},
+		},
+
+		{
+			in:      []Precondition{Exists},
+			wantErr: true,
+		},
+		{
+			in:   []Precondition{LastUpdateTime(aTime)},
+			want: &pb.Precondition{ConditionType: &pb.Precondition_UpdateTime{aTimestamp}},
+		},
+		{
+			in:      []Precondition{Exists, LastUpdateTime(aTime)},
+			wantErr: true,
+		},
+		{
+			in:      []Precondition{Exists, Exists},
+			wantErr: true,
+		},
+	} {
+		got, err := processPreconditionsForUpdate(test.in)
+		switch {
+		case test.wantErr && err == nil:
+			t.Errorf("%v: got nil, want error", test.in)
+		case !test.wantErr && err != nil:
+			t.Errorf("%v: got <%v>, want no error", test.in, err)
+		case !test.wantErr && err == nil && !testEqual(got, test.want):
+			t.Errorf("%v: got %+v, want %v", test.in, got, test.want)
+		}
+	}
+}