add GDrive provider support (#118)

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

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

@@ -0,0 +1,232 @@
+// 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 (
+	"reflect"
+	"strings"
+	"testing"
+
+	"cloud.google.com/go/internal/testutil"
+)
+
+func TestFieldPathValidate(t *testing.T) {
+	for _, in := range [][]string{nil, {}, {"a", "", "b"}} {
+		if err := FieldPath(in).validate(); err == nil {
+			t.Errorf("%v: want error, got nil", in)
+		}
+	}
+}
+
+func TestFieldPathLess(t *testing.T) {
+	for _, test := range []struct {
+		in1, in2 string
+		want     bool
+	}{
+		{"a b", "a b", false},
+		{"a", "b", true},
+		{"b", "a", false},
+		{"a", "a b", true},
+		{"a b", "a", false},
+		{"a b c", "a b d", true},
+		{"a b d", "a b c", false},
+	} {
+		fp1 := FieldPath(strings.Fields(test.in1))
+		fp2 := FieldPath(strings.Fields(test.in2))
+		got := fp1.less(fp2)
+		if got != test.want {
+			t.Errorf("%q.less(%q): got %t, want %t", test.in1, test.in2, got, test.want)
+		}
+	}
+}
+
+func TestCheckForPrefix(t *testing.T) {
+	for _, test := range []struct {
+		in      []string // field paths as space-separated strings
+		wantErr bool
+	}{
+		{in: []string{"a", "b", "c"}, wantErr: false},
+		{in: []string{"a b", "b", "c d"}, wantErr: false},
+		{in: []string{"a b", "a c", "a d"}, wantErr: false},
+		{in: []string{"a b", "b", "b d"}, wantErr: true},
+		{in: []string{"a b", "b", "b d"}, wantErr: true},
+		{in: []string{"b c d", "c d", "b c"}, wantErr: true},
+	} {
+		var fps []FieldPath
+		for _, s := range test.in {
+			fps = append(fps, strings.Fields(s))
+		}
+		err := checkNoDupOrPrefix(fps)
+		if got, want := (err != nil), test.wantErr; got != want {
+			t.Errorf("%#v: got '%v', want %t", test.in, err, want)
+		}
+	}
+}
+
+func TestGetAtPath(t *testing.T) {
+	type S struct {
+		X    int
+		Y    int `firestore:"y"`
+		M    map[string]interface{}
+		Next *S
+	}
+
+	const fail = "ERROR" // value for expected error
+
+	for _, test := range []struct {
+		val  interface{}
+		fp   FieldPath
+		want interface{}
+	}{
+		{
+			val:  map[string]int(nil),
+			fp:   nil,
+			want: map[string]int(nil),
+		},
+		{
+			val:  1,
+			fp:   nil,
+			want: 1,
+		},
+		{
+			val:  1,
+			fp:   []string{"a"},
+			want: fail,
+		},
+		{
+			val:  map[string]int{"a": 2},
+			fp:   []string{"a"},
+			want: 2,
+		},
+		{
+			val:  map[string]int{"a": 2},
+			fp:   []string{"b"},
+			want: fail,
+		},
+		{
+			val:  map[string]interface{}{"a": map[string]int{"b": 3}},
+			fp:   []string{"a", "b"},
+			want: 3,
+		},
+		{
+			val:  map[string]interface{}{"a": map[string]int{"b": 3}},
+			fp:   []string{"a", "b", "c"},
+			want: fail,
+		},
+		{
+			val:  S{X: 1, Y: 2},
+			fp:   nil,
+			want: S{X: 1, Y: 2},
+		},
+		{
+			val:  S{X: 1, Y: 2},
+			fp:   []string{"X"},
+			want: 1,
+		},
+		{
+			val:  S{X: 1, Y: 2},
+			fp:   []string{"Y"},
+			want: fail, // because Y is tagged with name "y"
+		},
+		{
+			val:  S{X: 1, Y: 2},
+			fp:   []string{"y"},
+			want: 2,
+		},
+		{
+			val:  &S{X: 1},
+			fp:   []string{"X"},
+			want: 1,
+		},
+		{
+			val:  &S{X: 1, Next: nil},
+			fp:   []string{"Next"},
+			want: (*S)(nil),
+		},
+		{
+			val:  &S{X: 1, Next: nil},
+			fp:   []string{"Next", "Next"},
+			want: fail,
+		},
+		{
+			val:  map[string]S{"a": {X: 1, Y: 2}},
+			fp:   []string{"a", "y"},
+			want: 2,
+		},
+		{
+			val:  map[string]S{"a": {X: 1, Y: 2}},
+			fp:   []string{"a", "z"},
+			want: fail,
+		},
+		{
+			val: map[string]*S{
+				"a": {
+					M: map[string]interface{}{
+						"b": S{
+							Next: &S{
+								X: 17,
+							},
+						},
+					},
+				},
+			},
+			fp:   []string{"a", "M", "b", "Next", "X"},
+			want: 17,
+		},
+	} {
+		got, err := getAtPath(reflect.ValueOf(test.val), test.fp)
+		if err != nil && test.want != fail {
+			t.Errorf("%+v: got error <%v>, want nil", test, err)
+		}
+		if err == nil && !testutil.Equal(got, test.want) {
+			t.Errorf("%+v: got %v, want %v, want nil", test, got, test.want)
+		}
+	}
+}
+
+func TestToServiceFieldPath(t *testing.T) {
+	for _, test := range []struct {
+		in   FieldPath
+		want string
+	}{
+		{[]string{"a"}, "a"},
+		{[]string{"a", "b"}, "a.b"},
+		{[]string{"a.", "[b*", "c2"}, "`a.`.`[b*`.c2"},
+		{[]string{"`a", `b\`}, "`\\`a`.`b\\\\`"},
+	} {
+		got := test.in.toServiceFieldPath()
+		if got != test.want {
+			t.Errorf("%v: got %s, want %s", test.in, got, test.want)
+		}
+	}
+}
+
+func TestToServiceFieldPathComponent(t *testing.T) {
+	for _, test := range []struct {
+		in, want string
+	}{
+		{"", "``"},
+		{"clam_chowder23", "clam_chowder23"},
+		{"23skidoo", "`23skidoo`"},
+		{"bak`tik", "`bak\\`tik`"},
+		{"a\\b", "`a\\\\b`"},
+		{"dots.are.confusing", "`dots.are.confusing`"},
+	} {
+		got := toServiceFieldPathComponent(test.in)
+		if got != test.want {
+			t.Errorf("%q: got %q, want %q", test.in, got, test.want)
+		}
+	}
+}