/
http_test.go
210 lines (189 loc) · 6.28 KB
/
http_test.go
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package acme
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"os"
"strings"
"testing"
)
func TestHTTPHeadUserAgent(t *testing.T) {
var ua, method string
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ua = r.Header.Get("User-Agent")
method = r.Method
}))
defer ts.Close()
_, err := httpHead(ts.URL)
if err != nil {
t.Fatal(err)
}
if method != http.MethodHead {
t.Errorf("Expected method to be HEAD, got %s", method)
}
if !strings.Contains(ua, ourUserAgent) {
t.Errorf("Expected User-Agent to contain '%s', got: '%s'", ourUserAgent, ua)
}
}
func TestHTTPGetUserAgent(t *testing.T) {
var ua, method string
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ua = r.Header.Get("User-Agent")
method = r.Method
}))
defer ts.Close()
res, err := httpGet(ts.URL)
if err != nil {
t.Fatal(err)
}
res.Body.Close()
if method != http.MethodGet {
t.Errorf("Expected method to be GET, got %s", method)
}
if !strings.Contains(ua, ourUserAgent) {
t.Errorf("Expected User-Agent to contain '%s', got: '%s'", ourUserAgent, ua)
}
}
func TestHTTPPostUserAgent(t *testing.T) {
var ua, method string
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ua = r.Header.Get("User-Agent")
method = r.Method
}))
defer ts.Close()
res, err := httpPost(ts.URL, "text/plain", strings.NewReader("falalalala"))
if err != nil {
t.Fatal(err)
}
res.Body.Close()
if method != http.MethodPost {
t.Errorf("Expected method to be POST, got %s", method)
}
if !strings.Contains(ua, ourUserAgent) {
t.Errorf("Expected User-Agent to contain '%s', got: '%s'", ourUserAgent, ua)
}
}
func TestUserAgent(t *testing.T) {
ua := userAgent()
if !strings.Contains(ua, defaultGoUserAgent) {
t.Errorf("Expected UA to contain %s, got '%s'", defaultGoUserAgent, ua)
}
if !strings.Contains(ua, ourUserAgent) {
t.Errorf("Expected UA to contain %s, got '%s'", ourUserAgent, ua)
}
if strings.HasSuffix(ua, " ") {
t.Errorf("UA should not have trailing spaces; got '%s'", ua)
}
// customize the UA by appending a value
UserAgent = "MyApp/1.2.3"
ua = userAgent()
if !strings.Contains(ua, defaultGoUserAgent) {
t.Errorf("Expected UA to contain %s, got '%s'", defaultGoUserAgent, ua)
}
if !strings.Contains(ua, ourUserAgent) {
t.Errorf("Expected UA to contain %s, got '%s'", ourUserAgent, ua)
}
if !strings.Contains(ua, UserAgent) {
t.Errorf("Expected custom UA to contain %s, got '%s'", UserAgent, ua)
}
}
// TestInitCertPool tests the http.go initCertPool function for customizing the
// HTTP Client *x509.CertPool with an environment variable.
func TestInitCertPool(t *testing.T) {
// writeTemp creates a temp file with the given contents & prefix and returns
// the file path. If an error occurs, t.Fatalf is called to end the test run.
writeTemp := func(t *testing.T, contents, prefix string) string {
t.Helper()
tmpFile, err := ioutil.TempFile("", prefix)
if err != nil {
t.Fatalf("Unable to create tempfile: %v", err)
}
err = ioutil.WriteFile(tmpFile.Name(), []byte(contents), 0700)
if err != nil {
t.Fatalf("Unable to write tempfile contents: %v", err)
}
return tmpFile.Name()
}
invalidFileContents := "not a certificate"
invalidFile := writeTemp(t, invalidFileContents, "invalid.pem")
// validFileContents is lifted from Pebble[0]. Generate your own CA cert with
// MiniCA[1].
// [0]: https://github.com/letsencrypt/pebble/blob/de6fa233ea1f283eeb9751d42c8e1ae72718c44e/test/certs/pebble.minica.pem
// [1]: https://github.com/jsha/minica
validFileContents := `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
validFile := writeTemp(t, validFileContents, "valid.pem")
testCases := []struct {
Name string
EnvVar string
ExpectPanic bool
ExpectNil bool
}{
// Setting the env var to a file that doesn't exist should panic
{
Name: "Env var with missing file",
EnvVar: "not.a.real.file.pem",
ExpectPanic: true,
},
// Setting the env var to a file that contains invalid content should panic
{
Name: "Env var with invalid content",
EnvVar: invalidFile,
ExpectPanic: true,
},
// Setting the env var to the empty string should not panic and should
// return nil
{
Name: "No env var",
EnvVar: "",
ExpectPanic: false,
ExpectNil: true,
},
// Setting the env var to a file that contains valid content should not
// panic and should not return nil
{
Name: "Env var with valid content",
EnvVar: validFile,
ExpectPanic: false,
ExpectNil: false,
},
}
for _, tc := range testCases {
t.Run(tc.Name, func(t *testing.T) {
os.Setenv(caCertificatesEnvVar, tc.EnvVar)
defer os.Setenv(caCertificatesEnvVar, "")
defer func() {
if r := recover(); r == nil && tc.ExpectPanic {
t.Errorf("expected initCertPool() to panic, it did not")
} else if r != nil && !tc.ExpectPanic {
t.Errorf("expected initCertPool() to not panic, but it did")
}
}()
result := initCertPool()
if result == nil && !tc.ExpectNil {
t.Errorf("initCertPool() returned nil, expected non-nil")
} else if result != nil && tc.ExpectNil {
t.Errorf("initCertPool() returned non-nil, expected nil")
}
})
}
}