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caddy/caddytest/caddytest_assert.go
2024-06-18 22:36:02 -05:00

116 lines
2.8 KiB
Go

package caddytest
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"strings"
"testing"
"github.com/aryann/difflib"
"github.com/stretchr/testify/require"
"github.com/caddyserver/caddy/v2/caddyconfig"
)
// AssertLoadError will load a config and expect an error
func AssertLoadError(t *testing.T, rawConfig string, configType string, expectedError string) {
tc, err := NewTester()
require.NoError(t, err)
err = tc.LaunchCaddy()
require.NoError(t, err)
err = tc.LoadConfig(rawConfig, configType)
if !strings.Contains(err.Error(), expectedError) {
t.Errorf("expected error \"%s\" but got \"%s\"", expectedError, err.Error())
}
_ = tc.CleanupCaddy()
}
// CompareAdapt adapts a config and then compares it against an expected result
func CompareAdapt(t testing.TB, filename, rawConfig string, adapterName string, expectedResponse string) bool {
cfgAdapter := caddyconfig.GetAdapter(adapterName)
if cfgAdapter == nil {
t.Logf("unrecognized config adapter '%s'", adapterName)
return false
}
options := make(map[string]any)
result, warnings, err := cfgAdapter.Adapt([]byte(rawConfig), options)
if err != nil {
t.Logf("adapting config using %s adapter: %v", adapterName, err)
return false
}
// prettify results to keep tests human-manageable
var prettyBuf bytes.Buffer
err = json.Indent(&prettyBuf, result, "", "\t")
if err != nil {
return false
}
result = prettyBuf.Bytes()
if len(warnings) > 0 {
for _, w := range warnings {
t.Logf("warning: %s:%d: %s: %s", filename, w.Line, w.Directive, w.Message)
}
}
diff := difflib.Diff(
strings.Split(expectedResponse, "\n"),
strings.Split(string(result), "\n"))
// scan for failure
failed := false
for _, d := range diff {
if d.Delta != difflib.Common {
failed = true
break
}
}
if failed {
for _, d := range diff {
switch d.Delta {
case difflib.Common:
fmt.Printf(" %s\n", d.Payload)
case difflib.LeftOnly:
fmt.Printf(" - %s\n", d.Payload)
case difflib.RightOnly:
fmt.Printf(" + %s\n", d.Payload)
}
}
return false
}
return true
}
// AssertAdapt adapts a config and then tests it against an expected result
func AssertAdapt(t testing.TB, rawConfig string, adapterName string, expectedResponse string) {
ok := CompareAdapt(t, "Caddyfile", rawConfig, adapterName, expectedResponse)
if !ok {
t.Fail()
}
}
// Generic request functions
func applyHeaders(t testing.TB, req *http.Request, requestHeaders []string) {
requestContentType := ""
for _, requestHeader := range requestHeaders {
arr := strings.SplitAfterN(requestHeader, ":", 2)
k := strings.TrimRight(arr[0], ":")
v := strings.TrimSpace(arr[1])
if k == "Content-Type" {
requestContentType = v
}
t.Logf("Request header: %s => %s", k, v)
req.Header.Set(k, v)
}
if requestContentType == "" {
t.Logf("Content-Type header not provided")
}
}