evcc-io/plugin/http_test.go

122 lines
3 KiB
Go

package plugin
import (
"net/http"
"net/http/httptest"
"testing"
"time"
"github.com/evcc-io/evcc/util"
"github.com/samber/lo"
"github.com/stretchr/testify/suite"
)
type httpHandler struct {
val string
req *http.Request
cnt int
cacheBusting bool
}
func (h *httpHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
h.req = req
h.val = lo.RandomString(16, lo.LettersCharset)
if h.cacheBusting {
w.Header().Set("Cache-Control", "no-store, no-cache, max-age=0, must-revalidate")
w.Header().Set("Pragma", "no-cache")
}
_, _ = w.Write([]byte(h.val))
h.cnt++
}
func TestHttp(t *testing.T) {
suite.Run(t, new(httpTestSuite))
}
type httpTestSuite struct {
suite.Suite
h *httpHandler
srv *httptest.Server
}
func (suite *httpTestSuite) SetupSuite() {
suite.h = new(httpHandler)
suite.srv = httptest.NewServer(suite.h)
}
func (suite *httpTestSuite) TearDown() {
suite.srv.Close()
}
func (suite *httpTestSuite) TestGet() {
uri := suite.srv.URL + "/foo/bar{{\"/baz\"}}"
p := NewHTTP(util.NewLogger("foo"), http.MethodGet, uri, false, 0)
g, err := p.StringGetter()
suite.Require().NoError(err)
res, err := g()
suite.Require().NoError(err)
suite.Require().Equal("/foo/bar/baz", suite.h.req.URL.String())
suite.Require().Equal(suite.h.val, res)
}
func (suite *httpTestSuite) TestCacheGet() {
uri := suite.srv.URL + "/foo/bar?baz=1"
p := NewHTTP(util.NewLogger("foo"), http.MethodGet, uri, false, time.Minute)
g, err := p.StringGetter()
suite.Require().NoError(err)
for range 3 {
res, err := g()
suite.Require().NoError(err)
suite.Require().Equal("/foo/bar?baz=1", suite.h.req.URL.String())
suite.Require().Equal(suite.h.val, res)
suite.Require().Equal(1, suite.h.cnt)
}
}
func (suite *httpTestSuite) TestCacheGetNoStore() {
// upstream sends cache-busting headers, cache must still take effect (#31025)
suite.h.cacheBusting = true
defer func() { suite.h.cacheBusting = false }()
uri := suite.srv.URL + "/foo/bar?baz=2"
p := NewHTTP(util.NewLogger("foo"), http.MethodGet, uri, false, time.Minute)
g, err := p.StringGetter()
suite.Require().NoError(err)
suite.h.cnt = 0
res, err := g()
suite.Require().NoError(err)
first := suite.h.cnt
for range 3 {
val, err := g()
suite.Require().NoError(err)
suite.Require().Equal(res, val)
suite.Require().Equal(first, suite.h.cnt)
}
}
func (suite *httpTestSuite) TestSetQuery() {
uri := suite.srv.URL + "/foo/bar?baz={{.baz}}"
p := NewHTTP(util.NewLogger("foo"), http.MethodGet, uri, false, 0)
s, err := p.StringSetter("baz")
suite.Require().NoError(err)
suite.Require().NoError(s("4711"))
suite.Require().Equal("/foo/bar?baz=4711", suite.h.req.URL.String())
}
func (suite *httpTestSuite) TestSetPath() {
uri := suite.srv.URL + "/foo/bar/{{.baz}}"
p := NewHTTP(util.NewLogger("foo"), http.MethodGet, uri, false, 0)
s, err := p.StringSetter("baz")
suite.Require().NoError(err)
suite.Require().NoError(s("4711"))
suite.Require().Equal("/foo/bar/4711", suite.h.req.URL.String())
}