make example code optional for brick example details

.licensed.yml

@@ -6,7 +6,6 @@ cache_path: .licenses
 apps:
   - source_path: ./cmd/arduino-app-cli
 
-
 reviewed:
   go:
     # TODO: remove it after releasing this https://github.com/arduino/go-win32-utils/pull/10

internal/orchestrator/bricks/bricks.go

@@ -154,7 +154,7 @@ func (s *Service) BricksDetails(id string) (BrickDetailsResult, error) {
 	if err != nil {
 		return BrickDetailsResult{}, fmt.Errorf("cannot open code examples for brick %s: %w", id, err)
 	}
-	codeExamples := f.Map(examplePaths, func(p *paths.Path) CodeExample {
+	var codeExamples = f.Map(examplePaths, func(p *paths.Path) CodeExample {
 		return CodeExample{
 			Path: p.String(),
 		}

internal/orchestrator/bricks/bricks_test.go

@@ -0,0 +1,291 @@
+package bricks
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/arduino/go-paths-helper"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.bug.st/f"
+
+	"github.com/arduino/arduino-app-cli/internal/orchestrator/app"
+	"github.com/arduino/arduino-app-cli/internal/orchestrator/bricksindex"
+	"github.com/arduino/arduino-app-cli/internal/orchestrator/config"
+	"github.com/arduino/arduino-app-cli/internal/store"
+)
+
+func TestBrickInstanceDetails(t *testing.T) {
+	basaedir := getBasedir(t)
+	service := setupTestService(t, basaedir)
+	app := getTestApp(t, "testdata/object-detection", "object-detection")
+
+	testCases := []struct {
+		name                  string
+		brickID               string
+		wantErr               bool
+		wantErrMsg            string
+		expectedBrickInstance BrickInstance
+	}{
+		{
+			name:    "Success - brick instance found in app",
+			brickID: "arduino:arduino_cloud",
+			wantErr: false,
+			expectedBrickInstance: BrickInstance{
+				ID:       "arduino:arduino_cloud",
+				Name:     "Arduino Cloud",
+				Author:   "Arduino",
+				Category: "",
+				Status:   "installed",
+				Variables: map[string]string{
+					"ARDUINO_DEVICE_ID": "<YOUR_DEVICE_ID>",
+					"ARDUINO_SECRET":    "<YOUR_SECRET>",
+				},
+				ModelID: "",
+			},
+		},
+		{
+			name:       "Error - brick not found in index",
+			brickID:    "arduino:non_existing_brick",
+			wantErr:    true,
+			wantErrMsg: "brick not found",
+		},
+		{
+			name:       "Error - brick exists but is not in app",
+			brickID:    "arduino:dbstorage_sqlstore",
+			wantErr:    true,
+			wantErrMsg: "not added in the app",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			brickInstance, err := service.AppBrickInstanceDetails(&app, tc.brickID)
+
+			if tc.wantErr {
+				require.Error(t, err)
+				if tc.wantErrMsg != "" {
+					require.Contains(t, err.Error(), tc.wantErrMsg)
+				}
+
+				assert.Equal(t, BrickInstance{}, brickInstance)
+				return
+			}
+
+			require.NoError(t, err)
+			assert.Equal(t, tc.expectedBrickInstance, brickInstance)
+		})
+	}
+}
+func TestBricksDetails1(t *testing.T) {
+	basaedir := getBasedir(t)
+	service := setupTestService(t, basaedir)
+	testDataAssetsPath := paths.New(basaedir)
+
+	expectedVars := map[string]BrickVariable{
+		"ARDUINO_DEVICE_ID": {
+			DefaultValue: "<YOUR_DEVICE_ID>",
+			Description:  "Arduino Cloud Device ID",
+			Required:     false,
+		},
+		"ARDUINO_SECRET": {
+			DefaultValue: "<YOUR_SECRET>",
+			Description:  "Arduino Cloud Secret",
+			Required:     false,
+		},
+	}
+	readmePath := testDataAssetsPath.Join("docs", "arduino", "arduino_cloud", "README.md")
+	expectedReadmeBytes, err := os.ReadFile(readmePath.String())
+	require.NoError(t, err, "Failed to read test readme file")
+	expectedReadme := string(expectedReadmeBytes)
+	expectedAPIPath := testDataAssetsPath.Join("api-docs", "arduino", "app_bricks", "arduino_cloud", "API.md").String()
+	examplesBasePath := testDataAssetsPath.Join("examples", "arduino", "arduino_cloud")
+	expectedExamples := []CodeExample{
+		{Path: examplesBasePath.Join("1_led_blink.py").String()},
+		{Path: examplesBasePath.Join("2_light_with_colors_monitor.py").String()},
+		{Path: examplesBasePath.Join("3_light_with_colors_command.py").String()},
+	}
+
+	testCases := []struct {
+		name           string
+		brickID        string
+		wantErr        bool
+		wantErrMsg     string
+		expectedResult BrickDetailsResult
+	}{
+		{
+			name:    "Success - brick found",
+			brickID: "arduino:arduino_cloud",
+			wantErr: false,
+			expectedResult: BrickDetailsResult{
+				ID:           "arduino:arduino_cloud",
+				Name:         "Arduino Cloud",
+				Author:       "Arduino",
+				Description:  "Connects to Arduino Cloud",
+				Category:     "",
+				Status:       "installed",
+				Variables:    expectedVars,
+				Readme:       expectedReadme,
+				ApiDocsPath:  expectedAPIPath,
+				CodeExamples: expectedExamples,
+			},
+		},
+		{
+			name:       "Error - brick not found",
+			brickID:    "arduino:non_existing_brick",
+			wantErr:    true,
+			wantErrMsg: "brick not found",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result, err := service.BricksDetails(tc.brickID)
+
+			if tc.wantErr {
+				require.Error(t, err)
+				if tc.wantErrMsg != "" {
+					require.Contains(t, err.Error(), tc.wantErrMsg)
+				}
+				assert.Equal(t, BrickDetailsResult{}, result)
+				return
+			}
+			require.NoError(t, err)
+			assert.Equal(t, tc.expectedResult, result)
+		})
+	}
+}
+
+func TestBricksDetails(t *testing.T) {
+
+	basaedir := getBasedir(t)
+	service := setupTestService(t, basaedir)
+	testDataAssetsPath := paths.New(basaedir)
+
+	testCases := []struct {
+		name           string
+		brickID        string
+		wantErr        bool
+		wantErrMsg     string
+		expectedResult BrickDetailsResult
+	}{
+		{
+			name:    "Success - brick found",
+			brickID: "arduino:arduino_cloud",
+			wantErr: false,
+			expectedResult: BrickDetailsResult{
+				ID:          "arduino:arduino_cloud",
+				Name:        "Arduino Cloud",
+				Author:      "Arduino",
+				Description: "Connects to Arduino Cloud",
+				Category:    "",
+				Status:      "installed",
+				Variables: map[string]BrickVariable{
+					"ARDUINO_DEVICE_ID": {
+						DefaultValue: "<YOUR_DEVICE_ID>",
+						Description:  "Arduino Cloud Device ID",
+						Required:     false,
+					},
+					"ARDUINO_SECRET": {
+						DefaultValue: "<YOUR_SECRET>",
+						Description:  "Arduino Cloud Secret",
+						Required:     false,
+					},
+				},
+				Readme: string(mustReadFile(t, testDataAssetsPath.Join(
+					"docs", "arduino", "arduino_cloud", "README.md",
+				).String())),
+				ApiDocsPath: testDataAssetsPath.Join(
+					"api-docs", "arduino", "app_bricks", "arduino_cloud", "API.md",
+				).String(),
+				CodeExamples: []CodeExample{
+					{Path: testDataAssetsPath.Join("examples", "arduino", "arduino_cloud", "1_led_blink.py").String()},
+					{Path: testDataAssetsPath.Join("examples", "arduino", "arduino_cloud", "2_light_with_colors_monitor.py").String()},
+					{Path: testDataAssetsPath.Join("examples", "arduino", "arduino_cloud", "3_light_with_colors_command.py").String()},
+				},
+			},
+		},
+		{
+			name:       "Error - brick not found",
+			brickID:    "arduino:non_existing_brick",
+			wantErr:    true,
+			wantErrMsg: "brick not found",
+		},
+		{
+			name:    "Success - brick with nil examples",
+			brickID: "arduino:streamlit_ui",
+			wantErr: false,
+			expectedResult: BrickDetailsResult{
+				ID:          "arduino:streamlit_ui",
+				Name:        "WebUI - Streamlit",
+				Author:      "Arduino",
+				Description: "A simplified user interface based on Streamlit and Python.",
+				Category:    "ui",
+				Status:      "installed",
+				Variables:   map[string]BrickVariable{},
+				Readme: string(mustReadFile(t, testDataAssetsPath.Join(
+					"docs", "arduino", "streamlit_ui", "README.md",
+				).String())),
+				ApiDocsPath: testDataAssetsPath.Join(
+					"api-docs", "arduino", "app_bricks", "streamlit_ui", "API.md",
+				).String(),
+				CodeExamples: []CodeExample{},
+			},
+		},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			result, err := service.BricksDetails(tc.brickID)
+
+			if tc.wantErr {
+				// --- Error Case ---
+				require.Error(t, err)
+				if tc.wantErrMsg != "" {
+					require.Contains(t, err.Error(), tc.wantErrMsg)
+				}
+				assert.Equal(t, BrickDetailsResult{}, result)
+				return
+			}
+
+			// --- Success Case ---
+			require.NoError(t, err)
+			assert.Equal(t, tc.expectedResult, result)
+		})
+	}
+}
+
+func setupTestService(t *testing.T, baseDir string) *Service {
+	store := store.NewStaticStore(baseDir)
+
+	bricksIndex, err := bricksindex.GenerateBricksIndexFromFile(paths.New(baseDir))
+	require.NoError(t, err)
+
+	service := NewService(nil, bricksIndex, store)
+	return service
+}
+
+func getBasedir(t *testing.T) string {
+	cfg, err := config.NewFromEnv()
+	require.NoError(t, err)
+	baseDir := paths.New("../../e2e/daemon/testdata", "assets", cfg.RunnerVersion).String()
+	return baseDir
+}
+func getTestApp(t *testing.T, appPath, appName string) app.ArduinoApp {
+	app, err := app.Load(appPath)
+	assert.NoError(t, err)
+	assert.NotEmpty(t, app)
+	assert.NotNil(t, app.MainPythonFile)
+	assert.Equal(t, f.Must(filepath.Abs("testdata/"+appName+"/python/main.py")), app.MainPythonFile.String())
+	// in case you want to test sketch based apps too
+	// assert.NotNil(t, app.MainSketchPath)
+	// assert.Equal(t, f.Must(filepath.Abs("testdata/"+appName+"/sketch")), app.MainSketchPath.String())
+	return app
+}
+
+func mustReadFile(t *testing.T, path string) []byte {
+	t.Helper()
+	bytes, err := os.ReadFile(path)
+	require.NoError(t, err, "failed to read test file: %s", path)
+	return bytes
+}