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export_test.go
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export_test.go
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package dbus
import (
"fmt"
"regexp"
"strings"
"testing"
)
type lowerCaseExport struct{}
type fooExport struct {
message Message
}
func (export *fooExport) Foo(message Message, param string) (string, *Error) {
export.message = message
return "foo", nil
}
type barExport struct{}
func (export barExport) Foo(param string) (string, *Error) {
return "bar", nil
}
type badExport struct{}
func (export badExport) Foo(param string) string {
return "bar"
}
type invalidMessageExport struct{}
func (export invalidMessageExport) Foo(param string) (string, *Error) {
return "\x00", nil
}
type errorExport struct {
message Message
}
func (export *errorExport) Run(message Message, param string) (string, error) {
export.message = message
return "pass", nil
}
type noErrorExport struct {
message Message
}
func (export *noErrorExport) Run(message Message, param string) string {
export.message = message
return "cool"
}
// Test that trying to emit an invalid message leads to an error.
func TestEmit_invalidMessage(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
err = connection.Emit("/org/guelfey/DBus/Test", "org.guelfey.DBusTest", "\x00")
if _, ok := err.(FormatError); !ok {
t.Fatal("expected FormatError when emitting invalid message")
}
}
// Test typical Export usage.
func TestExport(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
err = connection.Export(server{}, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
subtreeObject := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response int64
err = object.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Double: %s", err)
}
if response != 4 {
t.Errorf("Response was %d, expected 4", response)
}
// Verify that calling a subtree of a regular export does not result in a
// valid method call.
err = subtreeObject.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err == nil {
t.Error("Expected error due to no object being exported on that path")
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
err = object.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
// Test that Exported handlers can use a go error type.
func TestExport_goerror(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &errorExport{}
err = connection.ExportAll(export, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Run", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "pass" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected a valid message to be given to handler")
}
}
// Test that Exported handlers can have no error.
func TestExport_noerror(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &noErrorExport{}
err = connection.ExportAll(export, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Run", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "cool" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected a valid message to be given to handler")
}
}
// Test that Exported handlers can obtain raw message.
func TestExport_message(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
err = connection.Export(export, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected a valid message to be given to handler")
}
}
// Test Export with an invalid path.
func TestExport_invalidPath(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
err = connection.Export(nil, "foo", "bar")
if err == nil {
t.Error("Expected an error due to exporting with an invalid path")
}
}
// Test Export with an un-exported method. This should not panic, but rather
// result in an invalid method call.
func TestExport_unexportedMethod(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
err = connection.Export(lowerCaseExport{}, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
call := object.Call("org.guelfey.DBus.Test.foo", 0)
err = call.Store(&response)
if err == nil {
t.Errorf("Expected an error due to calling unexported method")
}
}
// Test Export with a method lacking the correct return signature. This should
// result in an invalid method call.
func TestExport_badSignature(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
err = connection.Export(badExport{}, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
call := object.Call("org.guelfey.DBus.Test.Foo", 0)
err = call.Store(&response)
if err == nil {
t.Errorf("Expected an error due to the method lacking the right signature")
}
}
// Test Export with a method returning an invalid message. This should result in an
// error reply being generated instead.
func TestExport_invalidMessage(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
err = connection.Export(invalidMessageExport{}, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
call := object.Call("org.guelfey.DBus.Test.Foo", 0, "test")
err = call.Store(&response)
t.Log(err)
if err == nil {
t.Errorf("Expected an error due to the response message being invalid")
}
}
// Test typical ExportWithMap usage.
func TestExportWithMap(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
mapping := make(map[string]string)
mapping["Double"] = "double" // Export this method as lower-case
err = connection.ExportWithMap(server{}, mapping, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response int64
err = object.Call("org.guelfey.DBus.Test.double", 0, int64(2)).Store(&response)
if err != nil {
t.Errorf("Unexpected error calling double: %s", err)
}
if response != 4 {
t.Errorf("Response was %d, expected 4", response)
}
}
// Test that ExportWithMap does not export both method alias and method.
func TestExportWithMap_bypassAlias(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
mapping := make(map[string]string)
mapping["Double"] = "double" // Export this method as lower-case
err = connection.ExportWithMap(server{}, mapping, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response int64
// Call upper-case Double (i.e. the real method, not the alias)
err = object.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err == nil {
t.Error("Expected an error due to calling actual method, not alias")
}
}
// Test typical ExportSubtree usage.
func TestExportSubtree(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
err = connection.ExportSubtree(export, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
// Call a subpath of the exported path
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
// Test that using ExportSubtree with exported methods that don't contain a
// Message still work, they just don't get the message.
func TestExportSubtree_noMessage(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
err = connection.ExportSubtree(server{}, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
// Call a subpath of the exported path
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response int64
err = object.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Double: %s", err)
}
if response != 4 {
t.Errorf("Response was %d, expected 4", response)
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
err = object.Call("org.guelfey.DBus.Test.Double", 0, int64(2)).Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
// Test that a regular Export takes precedence over ExportSubtree.
func TestExportSubtree_exportPrecedence(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
// Register for the entire subtree of /org/guelfey/DBus/Test
err = connection.ExportSubtree(&fooExport{},
"/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
// Explicitly register for /org/guelfey/DBus/Test/Foo, a subpath of above
err = connection.Export(&barExport{}, "/org/guelfey/DBus/Test/Foo",
"org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
// Call the explicitly exported path
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "bar" {
t.Errorf(`Response was %s, expected "bar"`, response)
}
response = "" // Reset response so errors aren't confusing
// Now remove explicit export
err = connection.Export(nil, "/org/guelfey/DBus/Test/Foo", "org.guelfey.DBus.Test")
if err != nil {
t.Fatal(err)
}
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
// Now the subtree export should handle the call
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
}
// Test typical ExportSubtreeWithMap usage.
func TestExportSubtreeWithMap(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
mapping := make(map[string]string)
mapping["Foo"] = "foo" // Export this method as lower-case
err = connection.ExportSubtreeWithMap(&fooExport{}, mapping, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
// Call a subpath of the exported path
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response string
// Call the lower-case method
err = object.Call("org.guelfey.DBus.Test.foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = object.Call("org.guelfey.DBus.Test.foo", 0, "qux").Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
// Test that ExportSubtreeWithMap does not export both method alias and method.
func TestExportSubtreeWithMap_bypassAlias(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
mapping := make(map[string]string)
mapping["Foo"] = "foo" // Export this method as lower-case
err = connection.ExportSubtreeWithMap(&fooExport{}, mapping, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response string
// Call upper-case Foo (i.e. the real method, not the alias)
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err == nil {
t.Error("Expected an error due to calling actual method, not alias")
}
}
func TestExportMethodTable(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
tbl := make(map[string]interface{})
tbl["Foo"] = func(message Message, param string) (string, *Error) {
return export.Foo(message, param)
}
tbl["Foo2"] = export.Foo
err = connection.ExportMethodTable(tbl, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
err = object.Call("org.guelfey.DBus.Test.Foo2", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
func TestExportSubtreeMethodTable(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
tbl := make(map[string]interface{})
tbl["Foo"] = func(message Message, param string) (string, *Error) {
return export.Foo(message, param)
}
tbl["Foo2"] = export.Foo
err = connection.ExportSubtreeMethodTable(tbl, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
// Call a subpath of the exported path
object := connection.Object(name, "/org/guelfey/DBus/Test/Foo")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
err = object.Call("org.guelfey.DBus.Test.Foo2", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
// Now remove export
err = connection.Export(nil, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err == nil {
t.Error("Expected an error since the export was removed")
}
}
func TestExportMethodTable_NotFunc(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
tbl := make(map[string]interface{})
tbl["Foo"] = func(message Message, param string) (string, *Error) {
return export.Foo(message, param)
}
tbl["Foo2"] = "foobar"
err = connection.ExportMethodTable(tbl, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
if response != "foo" {
t.Errorf(`Response was %s, expected "foo"`, response)
}
if export.message.serial == 0 {
t.Error("Expected the raw message, got an invalid one")
}
err = object.Call("org.guelfey.DBus.Test.Foo2", 0, "qux").Store(&response)
if err == nil {
t.Errorf("Expected an error since the Foo2 was not a function")
}
}
func TestExportMethodTable_ReturnNotError(t *testing.T) {
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
export := &fooExport{}
tbl := make(map[string]interface{})
tbl["Foo"] = func(message Message, param string) (string, string) {
out, _ := export.Foo(message, param)
return out, out
}
err = connection.ExportMethodTable(tbl, "/org/guelfey/DBus/Test", "org.guelfey.DBus.Test")
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
object := connection.Object(name, "/org/guelfey/DBus/Test")
var response string
err = object.Call("org.guelfey.DBus.Test.Foo", 0, "qux").Store(&response)
if err == nil {
t.Errorf("Expected an error since the Foo did not have a final return as *dbus.Error")
}
}
// Test that introspection works on sub path of every exported object
func TestExportSubPathIntrospection(t *testing.T) {
const (
introIntf = "org.freedesktop.DBus.Introspectable"
respTmpl = `^<node>\s*<node\s+name="%s"\s*/>\s*</node>$`
pathstr = "/org/guelfey/DBus/Test"
foopathstr = pathstr + "/Foo"
barpathstr = pathstr + "/Bar"
test1intfstr = "org.guelfey.DBus.Test1"
test2intfstr = "org.guelfey.DBus.Test2"
intro = `
<node>
<interface name="` + test1intfstr + `">
<method name="Foo">
<arg direction="out" type="s"/>
</method>
</interface>
<interface name="` + test2intfstr + `">
<method name="Foo">
<arg direction="out" type="s"/>
</method>
<method name="Bar">
<arg direction="out" type="s"/>
</method>
</interface>
<interface name="` + introIntf + `">
<method name="Introspect">
<arg name="out" direction="out" type="s"/>
</method>
</interface>
</node>`
)
connection, err := ConnectSessionBus()
if err != nil {
t.Fatalf("Unexpected error connecting to session bus: %s", err)
}
defer connection.Close()
name := connection.Names()[0]
foo := &fooExport{}
bar := &barExport{}
err = connection.Export(foo, foopathstr, test1intfstr)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = connection.Export(foo, foopathstr, test2intfstr)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = connection.Export(bar, barpathstr, test2intfstr)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
err = connection.Export(intro, pathstr, introIntf)
if err != nil {
t.Errorf("Unexpected error calling Foo: %s", err)
}
var response string
var match bool
path := strings.Split(pathstr, "/")
for i := 0; i < len(path)-1; i++ {
var subpath string
if i == 0 {
subpath = "/"
} else {
subpath = strings.Join(path[:i+1], "/")
}
object := connection.Object(name, ObjectPath(subpath))
err = object.Call(introIntf+".Introspect", 0).Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Introspect on %s: %s", subpath, err)
}
exp := fmt.Sprintf(respTmpl, path[i+1])
match, err = regexp.MatchString(exp, response)
if err != nil {
t.Fatalf("Error calling MatchString: %s", err)
}
if !match {
t.Errorf("Unexpected introspection response for %s: %s", subpath, response)
}
}
// Test invalid subpath
invalSubpath := "/org/guelfey/DBus/Test/Nonexistent"
object := connection.Object(name, ObjectPath(invalSubpath))
err = object.Call(introIntf+".Introspect", 0).Store(&response)
if err != nil {
t.Errorf("Unexpected error calling Introspect on %s: %s", invalSubpath, err)
}
match, err = regexp.MatchString(`^<node>\s*</node>$`, response)
if err != nil {
t.Fatalf("Error calling MatchString: %s", err)
}
if !match {
t.Errorf("Unexpected introspection response for %s: %s", invalSubpath, response)
}
}