package templates import ( "bytes" "context" "net/http" "net/http/httptest" "sync" "testing" "github.com/mholt/caddy/caddyhttp/httpserver" "github.com/mholt/caddy/caddyhttp/staticfiles" ) func TestTemplates(t *testing.T) { siteRoot := "./testdata" tmpl := Templates{ Next: staticfiles.FileServer{Root: http.Dir(siteRoot)}, Rules: []Rule{ { Extensions: []string{".html"}, IndexFiles: []string{"index.html"}, Path: "/photos", }, { Extensions: []string{".html", ".htm"}, IndexFiles: []string{"index.html", "index.htm"}, Path: "/images", Delims: [2]string{"{%", "%}"}, }, }, Root: siteRoot, FileSys: http.Dir(siteRoot), BufPool: &sync.Pool{New: func() interface{} { return new(bytes.Buffer) }}, } tmplroot := Templates{ Next: staticfiles.FileServer{Root: http.Dir(siteRoot)}, Rules: []Rule{ { Extensions: []string{".html"}, IndexFiles: []string{"index.html"}, Path: "/", }, }, Root: siteRoot, FileSys: http.Dir(siteRoot), BufPool: &sync.Pool{New: func() interface{} { return new(bytes.Buffer) }}, } // Test tmpl on /photos/test.html req, err := http.NewRequest("GET", "/photos/test.html", nil) if err != nil { t.Fatalf("Test: Could not create HTTP request: %v", err) } req = req.WithContext(context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)) rec := httptest.NewRecorder() tmpl.ServeHTTP(rec, req) if rec.Code != http.StatusOK { t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK) } respBody := rec.Body.String() expectedBody := `test page

Header title

` if respBody != expectedBody { t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody) } // Test tmpl on /images/img.htm req, err = http.NewRequest("GET", "/images/img.htm", nil) if err != nil { t.Fatalf("Could not create HTTP request: %v", err) } req = req.WithContext(context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)) rec = httptest.NewRecorder() tmpl.ServeHTTP(rec, req) if rec.Code != http.StatusOK { t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK) } respBody = rec.Body.String() expectedBody = `img

Header title

` if respBody != expectedBody { t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody) } // Test tmpl on /images/img2.htm req, err = http.NewRequest("GET", "/images/img2.htm", nil) if err != nil { t.Fatalf("Could not create HTTP request: %v", err) } req = req.WithContext(context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)) rec = httptest.NewRecorder() tmpl.ServeHTTP(rec, req) if rec.Code != http.StatusOK { t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK) } respBody = rec.Body.String() expectedBody = `img{{.Include "header.html"}} ` if respBody != expectedBody { t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody) } // Test tmplroot on /root.html req, err = http.NewRequest("GET", "/root.html", nil) if err != nil { t.Fatalf("Could not create HTTP request: %v", err) } req = req.WithContext(context.WithValue(req.Context(), httpserver.OriginalURLCtxKey, *req.URL)) rec = httptest.NewRecorder() // register custom function which is used in template httpserver.TemplateFuncs["root"] = func() string { return "root" } tmplroot.ServeHTTP(rec, req) if rec.Code != http.StatusOK { t.Fatalf("Test: Wrong response code: %d, should be %d", rec.Code, http.StatusOK) } respBody = rec.Body.String() expectedBody = `root

Header title

` if respBody != expectedBody { t.Fatalf("Test: the expected body %v is different from the response one: %v", expectedBody, respBody) } }