aetest

package
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Published: Dec 13, 2022 License: Apache-2.0, Apache-2.0 Imports: 19 Imported by: 0

Documentation

Overview

Package aetest provides an API for running dev_appserver for use in tests.

An example test file:

package foo_test

import (
	"testing"

	"google.golang.org/appengine/memcache"
	"google.golang.org/appengine/aetest"
)

func TestFoo(t *testing.T) {
	ctx, done, err := aetest.NewContext()
	if err != nil {
		t.Fatal(err)
	}
	defer done()

	it := &memcache.Item{
		Key:   "some-key",
		Value: []byte("some-value"),
	}
	err = memcache.Set(ctx, it)
	if err != nil {
		t.Fatalf("Set err: %v", err)
	}
	it, err = memcache.Get(ctx, "some-key")
	if err != nil {
		t.Fatalf("Get err: %v; want no error", err)
	}
	if g, w := string(it.Value), "some-value" ; g != w {
		t.Errorf("retrieved Item.Value = %q, want %q", g, w)
	}
}

The environment variable APPENGINE_DEV_APPSERVER specifies the location of the dev_appserver.py executable to use. If unset, the system PATH is consulted.

Index

Constants

This section is empty.

Variables

View Source
var PrepareDevAppserver func() error

PrepareDevAppserver is a hook which, if set, will be called before the dev_appserver.py is started, each time it is started. If aetest.NewContext is invoked from the goapp test tool, this hook is unnecessary.

Functions

func Login

func Login(u *user.User, req *http.Request)

Login causes the provided Request to act as though issued by the given user.

func Logout

func Logout(req *http.Request)

Logout causes the provided Request to act as though issued by a logged-out user.

func NewContext

func NewContext() (context.Context, func(), error)

NewContext starts an instance of the development API server, and returns a context that will route all API calls to that server, as well as a closure that must be called when the Context is no longer required.

Types

type Instance

type Instance interface {
	// Close kills the child api_server.py process, releasing its resources.
	io.Closer
	// NewRequest returns an *http.Request associated with this instance.
	NewRequest(method, urlStr string, body io.Reader) (*http.Request, error)
}

Instance represents a running instance of the development API Server.

func NewInstance

func NewInstance(opts *Options) (Instance, error)

NewInstance launches a running instance of api_server.py which can be used for multiple test Contexts that delegate all App Engine API calls to that instance. If opts is nil the default values are used.

type Options

type Options struct {
	// AppID specifies the App ID to use during tests.
	// By default, "testapp".
	AppID string
	// StronglyConsistentDatastore is whether the local datastore should be
	// strongly consistent. This will diverge from production behaviour.
	StronglyConsistentDatastore bool
}

Options is used to specify options when creating an Instance.

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