adds testify unit tests

go.mod

@@ -5,4 +5,11 @@ go 1.24.1
 require (
 	github.com/golang/glog v1.2.4
 	github.com/gorilla/mux v1.8.1
+	github.com/stretchr/testify v1.10.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,6 +1,15 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/glog v1.2.4 h1:CNNw5U8lSiiBk7druxtSHHTsRWcxKoac6kZKm2peBBc=
 github.com/golang/glog v1.2.4/go.mod h1:6AhwSGph0fcJtXVM/PEHPqZlFeoLxhs7/t5UDAwmO+w=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

tests/handlers_test.go

@@ -35,6 +35,7 @@ func TestListHandler(t *testing.T) {
 
 func TestNotFoundHandler(t *testing.T) {
 	r := mux.NewRouter()
+	r.NotFoundHandler = http.HandlerFunc(handlers.NotFoundHandler)
 
 	req, err := http.NewRequest("GET", "/not-existing", nil)
 	if err != nil {
@@ -42,7 +43,7 @@ func TestNotFoundHandler(t *testing.T) {
 	}
 
 	recorder := httptest.NewRecorder()
-	r.ServeHTTP(recorder, req)
+	r.ServeHTTP(recorder, req) // Router verarbeitet die Anfrage
 
 	if status := recorder.Code; status != http.StatusNotFound {
 		t.Errorf("handler returned wrong status code: got %v want %v", status, http.StatusNotFound)
@@ -50,14 +51,16 @@ func TestNotFoundHandler(t *testing.T) {
 }
 
 func TestNotCurledHandler(t *testing.T) {
-	req, err := http.NewRequest("GET", "/ascii-live/test", nil)
+	r := mux.NewRouter()
+	r.HandleFunc("/ascii-live/donut", handlers.ListHandler)
+
+	req, err := http.NewRequest("GET", "/ascii-live/donut", nil)
 	if err != nil {
 		t.Fatal(err)
 	}
 
 	recorder := httptest.NewRecorder()
-	handler := http.HandlerFunc(handlers.NotCurledHandler)
-	handler.ServeHTTP(recorder, req)
+	r.ServeHTTP(recorder, req)
 
 	if status := recorder.Code; status != http.StatusExpectationFailed {
 		t.Errorf("handler returned wrong status code: got %v want %v", status, http.StatusExpectationFailed)

tests/handlers_testify_test.go

@@ -0,0 +1,134 @@
+package test
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+
+	"github.com/gorilla/mux"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"ascii-live/frames"
+	handlers "ascii-live/handlers"
+)
+
+// --- Helper function to setup router and server for testing Handler ---
+func setupRouterWithHandler(handlerFunc http.HandlerFunc, path string, method string) *mux.Router {
+	r := mux.NewRouter()
+	r.HandleFunc(path, handlerFunc).Methods(method)
+	return r
+}
+
+// --- Helper to create a minimal mock FrameType ---
+func minimalMockFrameType() frames.FrameType {
+	return frames.FrameType{
+		GetFrame:  func(i int) string { return "mock_frame" },
+		GetLength: func() int { return 1 },
+		GetSleep:  func() time.Duration { return 10 * time.Millisecond },
+	}
+}
+
+// --- Test Cases ---
+
+func TestListHandler2(t *testing.T) {
+	req, err := http.NewRequest("GET", "/ascii/list", nil)
+	require.NoError(t, err, "Failed to create request")
+
+	recorder := httptest.NewRecorder()
+	handler := http.HandlerFunc(handlers.ListHandler)
+
+	// --- Execute ---
+	handler.ServeHTTP(recorder, req)
+
+	// --- Assert ---
+	assert.Equal(t, http.StatusOK, recorder.Code, "Status code should be OK")
+	assert.Equal(t, "application/json", recorder.Header().Get("Content-Type"), "Content-Type should be application/json")
+
+	// Check response body
+	var responseBody map[string][]string
+	err = json.Unmarshal(recorder.Body.Bytes(), &responseBody)
+	require.NoError(t, err, "Failed to unmarshal response JSON")
+
+}
+
+func TestNotFoundHandler2(t *testing.T) {
+	// --- Setup ---
+	req, err := http.NewRequest("GET", "/some/unknown/path", nil)
+	require.NoError(t, err, "Failed to create request")
+
+	recorder := httptest.NewRecorder()
+	handler := http.HandlerFunc(handlers.NotFoundHandler) // Test directly
+
+	// Expected response body (marshal the global NotFoundMessage)
+	// Ensure NotFoundMessage is exported from handlers package if needed, or redefine here.
+	// Assuming handlers.NotFoundMessage is accessible (it's a var, should be fine).
+	expectedBodyBytes, err := json.Marshal(handlers.NotFoundMessage)
+	require.NoError(t, err, "Failed to marshal expected NotFoundMessage")
+
+	// --- Execute ---
+	handler.ServeHTTP(recorder, req)
+
+	// --- Assert ---
+	assert.Equal(t, http.StatusNotFound, recorder.Code, "Status code should be Not Found")
+	assert.Equal(t, "application/json", recorder.Header().Get("Content-Type"), "Content-Type should be application/json")
+	assert.JSONEq(t, string(expectedBodyBytes), recorder.Body.String(), "Response body does not match expected NotFoundMessage")
+}
+
+func TestNotCurledHandler2(t *testing.T) {
+	// --- Setup ---
+	req, err := http.NewRequest("GET", "/ascii/someframe", nil) // Path doesn't matter for this handler itself
+	require.NoError(t, err, "Failed to create request")
+	// Crucially, DO NOT set User-Agent to 'curl'
+
+	recorder := httptest.NewRecorder()
+	handler := http.HandlerFunc(handlers.NotCurledHandler) // Test directly
+
+	// Expected response body (marshal the global NotCurledMessage)
+	// Assuming handlers.NotCurledMessage is accessible.
+	expectedBodyBytes, err := json.Marshal(handlers.NotCurledMessage)
+	require.NoError(t, err, "Failed to marshal expected NotCurledMessage")
+
+	// --- Execute ---
+	handler.ServeHTTP(recorder, req)
+
+	// --- Assert ---
+	assert.Equal(t, http.StatusExpectationFailed, recorder.Code, "Status code should be Expectation Failed")
+	assert.Equal(t, "application/json", recorder.Header().Get("Content-Type"), "Content-Type should be application/json")
+	assert.JSONEq(t, string(expectedBodyBytes), recorder.Body.String(), "Response body does not match expected NotCurledMessage")
+}
+
+// --- Tests for the main Handler ---
+
+func TestHandler_NotCurl(t *testing.T) {
+	// --- Setup ---
+	// Ensure the frame we request DOES exist
+	originalFrameMap := frames.FrameMap
+	frames.FrameMap = map[string]frames.FrameType{
+		"testframe": minimalMockFrameType(),
+	}
+	t.Cleanup(func() { frames.FrameMap = originalFrameMap }) // Restore
+
+	router := setupRouterWithHandler(handlers.Handler, "/ascii/{frameSource}", "GET")
+	req, err := http.NewRequest("GET", "/ascii/testframe", nil)
+	require.NoError(t, err, "Failed to create request")
+	// Set User-Agent to something OTHER than 'curl'
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)")
+
+	rr := httptest.NewRecorder()
+
+	// Expected response body (NotCurledMessage)
+	expectedBodyBytes, err := json.Marshal(handlers.NotCurledMessage)
+	require.NoError(t, err, "Failed to marshal expected NotCurledMessage")
+
+	// --- Execute ---
+	router.ServeHTTP(rr, req)
+
+	// --- Assert ---
+	// Should delegate to NotCurledHandler
+	assert.Equal(t, http.StatusExpectationFailed, rr.Code, "Status code should be Expectation Failed")
+	assert.Equal(t, "application/json", rr.Header().Get("Content-Type"), "Content-Type should be application/json")
+	assert.JSONEq(t, string(expectedBodyBytes), rr.Body.String(), "Response body should match NotCurledMessage")
+}