add GDrive provider support (#118)

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

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

@@ -0,0 +1,118 @@
+// Copyright 2018 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 (
+	"math"
+	"testing"
+	"time"
+
+	pb "google.golang.org/genproto/googleapis/firestore/v1beta1"
+	"google.golang.org/genproto/googleapis/type/latlng"
+)
+
+func TestCompareValues(t *testing.T) {
+	// Ordered list of values.
+	vals := []*pb.Value{
+		nullValue,
+		boolval(false),
+		boolval(true),
+		floatval(math.NaN()),
+		floatval(math.Inf(-1)),
+		floatval(-math.MaxFloat64),
+		int64val(math.MinInt64),
+		floatval(-1.1),
+		intval(-1),
+		intval(0),
+		floatval(math.SmallestNonzeroFloat64),
+		intval(1),
+		floatval(1.1),
+		intval(2),
+		int64val(math.MaxInt64),
+		floatval(math.MaxFloat64),
+		floatval(math.Inf(1)),
+		tsval(time.Date(2016, 5, 20, 10, 20, 0, 0, time.UTC)),
+		tsval(time.Date(2016, 10, 21, 15, 32, 0, 0, time.UTC)),
+		strval(""),
+		strval("\u0000\ud7ff\ue000\uffff"),
+		strval("(╯°□°）╯︵ ┻━┻"),
+		strval("a"),
+		strval("abc def"),
+		strval("e\u0301b"),
+		strval("æ"),
+		strval("\u00e9a"),
+		bytesval([]byte{}),
+		bytesval([]byte{0}),
+		bytesval([]byte{0, 1, 2, 3, 4}),
+		bytesval([]byte{0, 1, 2, 4, 3}),
+		bytesval([]byte{255}),
+		refval("projects/p1/databases/d1/documents/c1/doc1"),
+		refval("projects/p1/databases/d1/documents/c1/doc2"),
+		refval("projects/p1/databases/d1/documents/c1/doc2/c2/doc1"),
+		refval("projects/p1/databases/d1/documents/c1/doc2/c2/doc2"),
+		refval("projects/p1/databases/d1/documents/c10/doc1"),
+		refval("projects/p1/databases/dkkkkklkjnjkkk1/documents/c2/doc1"),
+		refval("projects/p2/databases/d2/documents/c1/doc1"),
+		refval("projects/p2/databases/d2/documents/c1-/doc1"),
+		geopoint(-90, -180),
+		geopoint(-90, 0),
+		geopoint(-90, 180),
+		geopoint(0, -180),
+		geopoint(0, 0),
+		geopoint(0, 180),
+		geopoint(1, -180),
+		geopoint(1, 0),
+		geopoint(1, 180),
+		geopoint(90, -180),
+		geopoint(90, 0),
+		geopoint(90, 180),
+		arrayval(),
+		arrayval(strval("bar")),
+		arrayval(strval("foo")),
+		arrayval(strval("foo"), intval(1)),
+		arrayval(strval("foo"), intval(2)),
+		arrayval(strval("foo"), strval("0")),
+		mapval(map[string]*pb.Value{"bar": intval(0)}),
+		mapval(map[string]*pb.Value{"bar": intval(0), "foo": intval(1)}),
+		mapval(map[string]*pb.Value{"foo": intval(1)}),
+		mapval(map[string]*pb.Value{"foo": intval(2)}),
+		mapval(map[string]*pb.Value{"foo": strval("0")}),
+	}
+
+	for i, v1 := range vals {
+		if got := compareValues(v1, v1); got != 0 {
+			t.Errorf("compare(%v, %v) == %d, want 0", v1, v1, got)
+		}
+		for _, v2 := range vals[i+1:] {
+			if got := compareValues(v1, v2); got != -1 {
+				t.Errorf("compare(%v, %v) == %d, want -1", v1, v2, got)
+			}
+			if got := compareValues(v2, v1); got != 1 {
+				t.Errorf("compare(%v, %v) == %d, want 1", v1, v2, got)
+			}
+		}
+	}
+
+	// Integers and Doubles order the same.
+	n1 := intval(17)
+	n2 := floatval(17)
+	if got := compareValues(n1, n2); got != 0 {
+		t.Errorf("compare(%v, %v) == %d, want 0", n1, n2, got)
+	}
+}
+
+func geopoint(lat, lng float64) *pb.Value {
+	return geoval(&latlng.LatLng{Latitude: lat, Longitude: lng})
+}