Interface update, per-method Contexts.

impl/cloud/info_test.go

Index: impl/cloud/info_test.go
diff --git a/impl/cloud/info_test.go b/impl/cloud/info_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..f2f90b4ec0f1f65e6dcfa83e09147b8951c96f6f
--- /dev/null
+++ b/impl/cloud/info_test.go
@@ -0,0 +1,55 @@
+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package cloud
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/luci/gae/service/info"
+
+	"golang.org/x/net/context"
+
+	. "github.com/luci/luci-go/common/testing/assertions"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestInfo(t *testing.T) {
+	t.Parallel()
+
+	Convey(`A testing Info service`, t, func() {
+		const maxNamespaceLen = 100
+
+		c := useInfo(context.Background())
+
+		Convey(`Can set valid namespaces.`, func() {
+			for _, v := range []string{
+				"",
+				"test",
+				"0123456789-ABCDEFGHIJKLMNOPQRSTUVWXYZ.abcdefghijklmnopqrstuvwxyz_",
+				strings.Repeat("X", maxNamespaceLen),
+			} {
+				Convey(fmt.Sprintf(`Rejects %q`, v), func() {
+					c, err := info.Namespace(c, v)
+					So(err, ShouldBeNil)
+					So(info.GetNamespace(c), ShouldEqual, v)
+				})
+			}
+		})
+
+		Convey(`Rejects invalid namespaces on the client.`, func() {
+			for _, v := range []string{
+				" ",
+				strings.Repeat("X", maxNamespaceLen+1),
+			} {
+				Convey(fmt.Sprintf(`Rejects %q`, v), func() {
+					_, err := info.Namespace(c, v)
+					So(err, ShouldErrLike, "does not match")
+				})
+			}
+		})
+	})
+}