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error404Handler_test.go
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package main
import (
"bytes"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func TestError404HandlerDisabled(t *testing.T) {
tempDir := setupFS()
defer cleanTempDir(tempDir)
writeFile(tempDir + "/index.html", []byte("<html><body>Foo bar</body></html>"))
error404File := ""
h := HandleError404(&error404File, true, http.FileServer(justFilesFilesystem{http.Dir(tempDir)}))
tests := []loggerTest{
{
name: "Index html redirect",
method: "GET",
URL: "/index.html",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusMovedPermanently {
t.Fatalf("Expected %v but got %v", http.StatusMovedPermanently, rec.Code)
}
location := rec.Header().Get("Location")
if location != "./" {
t.Fatalf("Expected redirect %v but got %v", "./", location)
}
},
},
{
name: "File serving should still work as expected",
method: "GET",
URL: "/test.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusOK {
t.Fatalf("Expected %v but got %v", http.StatusOK, rec.Code)
}
shouldContain := "hello go"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/plain; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected redirect %v but got %v", mimeText, location)
}
},
},
{
name: "Error 404 disabled",
method: "GET",
URL: "/error404.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusNotFound {
t.Fatalf("Expected %v but got %v", http.StatusNotFound, rec.Code)
}
shouldContain := "404 page not found"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/plain; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected redirect %v but got %v", mimeText, location)
}
},
},
}
runLoggerTests(t, h, tests)
}
func TestError404HandlerNoLogging(t *testing.T) {
tempDir := setupFS()
defer cleanTempDir(tempDir)
writeFile(tempDir + "/index.html", []byte("<html><body>Foo bar</body></html>"))
error404File := "/"
h := HandleError404(&error404File, false, http.FileServer(justFilesFilesystem{http.Dir(tempDir)}))
tests := []loggerTest{
{
name: "Index html redirect",
method: "GET",
URL: "/index.html",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusMovedPermanently {
t.Fatalf("Expected %v but got %v", http.StatusMovedPermanently, rec.Code)
}
location := rec.Header().Get("Location")
if location != "./" {
t.Fatalf("Expected redirect %v but got %v", "./", location)
}
log := logs.String()
if log != "" {
t.Fatalf("Expected '' but got %v", log)
}
},
},
{
name: "File serving should still work as expected",
method: "GET",
URL: "/test.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusOK {
t.Fatalf("Expected %v but got %v", http.StatusOK, rec.Code)
}
shouldContain := "hello go"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/plain; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected mime type %v but got %v", mimeText, location)
}
},
},
{
name: "Error 404 disabled",
method: "GET",
URL: "/error404.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusOK {
t.Fatalf("Expected %v but got %v", http.StatusOK, rec.Code)
}
shouldContain := "Foo bar"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/html; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected mime type %v but got %v", mimeText, location)
}
logStr := logs.String()
if logStr != "" {
t.Fatalf("Expected '' but got %v", logStr)
}
},
},
}
runLoggerTests(t, h, tests)
}
func TestError404HandlerWithLogging(t *testing.T) {
tempDir := setupFS()
defer cleanTempDir(tempDir)
writeFile(tempDir + "/index.html", []byte("<html><body>Foo bar</body></html>"))
error404File := "/"
h := HandleError404(&error404File, true, http.FileServer(justFilesFilesystem{http.Dir(tempDir)}))
tests := []loggerTest{
{
name: "Index html redirect",
method: "GET",
URL: "/index.html",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusMovedPermanently {
t.Fatalf("Expected %v but got %v", http.StatusMovedPermanently, rec.Code)
}
location := rec.Header().Get("Location")
if location != "./" {
t.Fatalf("Expected redirect %v but got %v", "./", location)
}
logStr := logs.String()
if logStr != "" {
t.Fatalf("Expected '' but got %v", logStr)
}
},
},
{
name: "File serving should still work as expected",
method: "GET",
URL: "/test.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusOK {
t.Fatalf("Expected %v but got %v", http.StatusOK, rec.Code)
}
shouldContain := "hello go"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/plain; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected mime type %v but got %v", mimeText, location)
}
logStr := logs.String()
if logStr != "" {
t.Fatalf("Expected '' but got %v", logStr)
}
},
},
{
name: "Serve error page",
method: "GET",
URL: "/error404.txt",
tests: func (t *testing.T, logs *bytes.Buffer, rec *httptest.ResponseRecorder) {
if rec.Code != http.StatusOK {
t.Fatalf("Expected %v but got %v", http.StatusOK, rec.Code)
}
shouldContain := "Foo bar"
body := string(rec.Body.Bytes())
if !strings.Contains(body, shouldContain) {
t.Fatalf("%v should contain %v", body, shouldContain)
}
mimeText := "text/html; charset=utf-8"
location := rec.Header().Get("Content-type")
if location != mimeText {
t.Fatalf("Expected mime type %v but got %v", mimeText, location)
}
shouldContain = "Did not find /error404.txt, serving / instead"
logStr := logs.String()
if !strings.Contains(logStr, shouldContain) {
t.Fatalf("%v should contain %v", logStr, shouldContain)
}
},
},
}
runLoggerTests(t, h, tests)
}