add test case for "config get"

Author: ardnew

internal/integrationtest/config/config_test.go

@@ -799,3 +799,29 @@ func TestDelete(t *testing.T) {
 	require.NotContains(t, configLines, "additional_urls")
 	require.NotContains(t, configLines, "board_manager")
 }
+
+func TestGet(t *testing.T) {
+	env, cli := integrationtest.CreateArduinoCLIWithEnvironment(t)
+	defer env.CleanUp()
+
+	// Create a config file first
+	configFile := cli.WorkingDir().Join("config", "test", "config.yaml")
+	require.NoFileExists(t, configFile.String())
+	_, _, err := cli.Run("config", "init", "--dest-file", configFile.String())
+	require.NoError(t, err)
+	require.FileExists(t, configFile.String())
+
+	stdout, _, err := cli.Run("config", "dump", "--config-file", configFile.String(), "--format", "json")
+	require.NoError(t, err)
+	requirejson.Query(t, stdout, ".board_manager | .additional_urls", "[]")
+
+	stdout, _, err = cli.Run("config", "init", "--additional-urls", "https://example.com")
+	require.NoError(t, err)
+	configFile = cli.DataDir().Join("arduino-cli.yaml")
+	require.Contains(t, string(stdout), configFile.String())
+	require.FileExists(t, configFile.String())
+
+	stdout, _, err = cli.Run("config", "get", "board_manager.additional_urls", "--format", "json")
+	require.NoError(t, err)
+	requirejson.Query(t, stdout, ".board_manager | .additional_urls", "[\"https://example.com\"]")
+}