Added integration test

Author: cmaglie

internal/integrationtest/lib/lib_test.go

@@ -145,6 +145,27 @@ func TestDuplicateLibInstallDetection(t *testing.T) {
 	require.Contains(t, string(stdErr), "The library ArduinoOTA has multiple installations")
 }
 
+func TestDuplicateLibInstallFromGitDetection(t *testing.T) {
+	env, cli := integrationtest.CreateArduinoCLIWithEnvironment(t)
+	defer env.CleanUp()
+	cliEnv := cli.GetDefaultEnv()
+	cliEnv["ARDUINO_LIBRARY_ENABLE_UNSAFE_INSTALL"] = "true"
+
+	// Make a double install in the sketchbook/user directory
+	_, _, err := cli.Run("lib", "install", "Arduino SigFox for MKRFox1200")
+	require.NoError(t, err)
+
+	_, _, err = cli.RunWithCustomEnv(cliEnv, "lib", "install", "--git-url", "https://github.com/arduino-libraries/SigFox#1.0.3")
+	require.NoError(t, err)
+
+	jsonOut, _, err := cli.Run("lib", "list", "--format", "json")
+	require.NoError(t, err)
+	// Count how many libraries with the name "Arduino SigFox for MKRFox1200" are installed
+	requirejson.Parse(t, jsonOut).
+		Query(`[.[].library.name | select(. == "Arduino SigFox for MKRFox1200")]`).
+		LengthMustEqualTo(1, "Found multiple installations of Arduino SigFox for MKRFox1200'")
+}
+
 func TestLibDepsOutput(t *testing.T) {
 	env, cli := integrationtest.CreateArduinoCLIWithEnvironment(t)
 	defer env.CleanUp()