Change lib deps CLI command output to sorted alphabetically

cli/lib/check_deps.go

@@ -19,6 +19,7 @@ import (
 	"context"
 	"fmt"
 	"os"
+	"sort"
 
 	"github.com/arduino/arduino-cli/cli/arguments"
 	"github.com/arduino/arduino-cli/cli/errorcodes"
@@ -81,13 +82,27 @@ func (dr checkDepResult) Data() interface{} {
 
 func (dr checkDepResult) String() string {
 	res := ""
-	for _, dep := range dr.deps.GetDependencies() {
+	deps := dr.deps.Dependencies
+
+	// Sort depedencies alphabetically and then puts installed ones on top
+	sort.Slice(deps, func(i, j int) bool {
+		return deps[i].Name < deps[j].Name
+	})
+	sort.SliceStable(deps, func(i, j int) bool {
+		if deps[i].VersionInstalled != "" && deps[j].VersionInstalled == "" {
+			return true
+		}
+		return false
+	})
+
+	for _, dep := range deps {
 		res += outputDep(dep)
 	}
 	return res
 }
 
 func outputDep(dep *rpc.LibraryDependencyStatus) string {
+
 	res := ""
 	green := color.New(color.FgGreen)
 	red := color.New(color.FgRed)

commands/lib/resolve_deps.go

@@ -18,6 +18,7 @@ package lib
 import (
 	"context"
 	"errors"
+	"sort"
 
 	"github.com/arduino/arduino-cli/arduino"
 	"github.com/arduino/arduino-cli/arduino/libraries"
@@ -74,5 +75,8 @@ func LibraryResolveDependencies(ctx context.Context, req *rpc.LibraryResolveDepe
 			VersionInstalled: installed,
 		})
 	}
+	sort.Slice(res, func(i, j int) bool {
+		return res[i].Name < res[j].Name
+	})
 	return &rpc.LibraryResolveDependenciesResponse{Dependencies: res}, nil
 }

internal/integrationtest/lib/lib_test.go

@@ -16,6 +16,7 @@
 package lib_test
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/arduino/arduino-cli/internal/integrationtest"
@@ -136,3 +137,48 @@ func TestDuplicateLibInstallDetection(t *testing.T) {
 	require.Error(t, err)
 	require.Contains(t, string(stdErr), "The library ArduinoOTA has multiple installations")
 }
+
+func TestLibDepsOutput(t *testing.T) {
+	env, cli := integrationtest.CreateArduinoCLIWithEnvironment(t)
+	defer env.CleanUp()
+
+	// Updates index for cores and libraries
+	_, _, err := cli.Run("core", "update-index")
+	require.NoError(t, err)
+	_, _, err = cli.Run("lib", "update-index")
+	require.NoError(t, err)
+
+	// Install some libraries that are dependencies of another library
+	_, _, err = cli.Run("lib", "install", "[email protected]")
+	require.NoError(t, err)
+	_, _, err = cli.Run("lib", "install", "[email protected]")
+	require.NoError(t, err)
+	_, _, err = cli.Run("lib", "install", "[email protected]")
+	require.NoError(t, err)
+	_, _, err = cli.Run("lib", "install", "[email protected]")
+	require.NoError(t, err)
+
+	stdOut, _, err := cli.Run("lib", "deps", "[email protected]", "--no-color")
+	require.NoError(t, err)
+	lines := strings.Split(strings.TrimSpace(string(stdOut)), "\n")
+	require.Len(t, lines, 7)
+	require.Equal(t, "✓ Arduino_DebugUtils 1.3.0 is already installed.", lines[0])
+	require.Equal(t, "✓ MKRGSM 1.5.0 is already installed.", lines[1])
+	require.Equal(t, "✓ MKRNB 1.5.1 is already installed.", lines[2])
+	require.Equal(t, "✓ WiFiNINA 1.8.13 is already installed.", lines[3])
+	require.Equal(t, "✕ Arduino_ConnectionHandler 0.6.6 must be installed.", lines[4])
+	require.Equal(t, "✕ MKRWAN 1.1.0 must be installed.", lines[5])
+	require.Equal(t, "✕ WiFi101 0.16.1 must be installed.", lines[6])
+
+	stdOut, _, err = cli.Run("lib", "deps", "[email protected]", "--format", "json")
+	require.NoError(t, err)
+	expectedOutput := `{"dependencies":[
+	{"name":"Arduino_ConnectionHandler","version_required":"0.6.6"},
+	{"name":"Arduino_DebugUtils","version_required":"1.3.0","version_installed":"1.3.0"},
+	{"name":"MKRGSM","version_required":"1.5.0","version_installed":"1.5.0"},
+	{"name":"MKRNB","version_required":"1.5.1","version_installed":"1.5.1"},
+	{"name":"MKRWAN","version_required":"1.1.0"},
+	{"name":"WiFi101","version_required":"0.16.1"},
+	{"name":"WiFiNINA","version_required":"1.8.13","version_installed":"1.8.13"}]}`
+	require.JSONEq(t, expectedOutput, string(stdOut))
+}