Refactored test utils in VK module

internal/vk/test_info_fetcher.go

@@ -0,0 +1,31 @@
+package vk
+
+import (
+	"errors"
+	"gitlab.com/flygrounder/go-mtg-vk/internal/cardsinfo"
+	"io"
+)
+
+type testInfoFetcher struct{}
+
+func (t *testInfoFetcher) GetPrices(name string) ([]cardsinfo.CardPrice, error) {
+	if name == "good" || name == "uncached" {
+		return nil, nil
+	}
+	return nil, errors.New("test")
+}
+
+func (t *testInfoFetcher) FormatCardPrices(name string, _ []cardsinfo.CardPrice) string {
+	return name
+}
+
+func (t *testInfoFetcher) GetNameByCardId(_ string, _ string) string {
+	return "good"
+}
+
+func (t *testInfoFetcher) GetOriginalName(name string, _ io.Reader) string {
+	if name == "good" || name == "bad" || name == "uncached" {
+		return name
+	}
+	return ""
+}