fix(settings): system ID max value

internal/configuration/sources/env/system_test.go

@@ -0,0 +1,52 @@
+package env
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_Reader_readID(t *testing.T) {
+	t.Parallel()
+
+	testCases := map[string]struct {
+		keyPrefix      string
+		keyValue       string
+		retroKeyPrefix string
+		retroValue     string
+		id             *uint16
+		errWrapped     error
+		errMessage     string
+	}{
+		"id 1000": {
+			keyPrefix:      "ID",
+			keyValue:       "1000",
+			retroKeyPrefix: "RETRO_ID",
+			id:             uint16Ptr(1000),
+		},
+	}
+
+	for name, testCase := range testCases {
+		testCase := testCase
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			suffix := t.Name()
+			key := testCase.keyPrefix + suffix
+			retroKey := testCase.retroKeyPrefix + suffix
+
+			setTestEnv(t, key, testCase.keyValue)
+			setTestEnv(t, retroKey, testCase.retroValue)
+
+			reader := &Reader{}
+			id, err := reader.readID(key, retroKey)
+
+			assert.ErrorIs(t, err, testCase.errWrapped)
+			if err != nil {
+				assert.EqualError(t, err, testCase.errMessage)
+			}
+
+			assert.Equal(t, testCase.id, id)
+		})
+	}
+}