add json provider

provider/json/provider_test.go

@@ -0,0 +1,33 @@
+package json_test
+
+import (
+	"embed"
+	"testing"
+	"time"
+
+	"gitoa.ru/go-4devs/config/provider/json"
+	"gitoa.ru/go-4devs/config/test"
+	"gitoa.ru/go-4devs/config/test/require"
+)
+
+//go:embed fixture/*
+var fixture embed.FS
+
+func TestProvider(t *testing.T) {
+	t.Parallel()
+
+	js, err := fixture.ReadFile("fixture/config.json")
+	require.NoError(t, err)
+
+	prov := json.New(js)
+	sl := []string{}
+	read := []test.Read{
+		test.NewRead("config title", "app.name.title"),
+		test.NewRead(time.Minute, "app.name.timeout"),
+		test.NewReadUnmarshal(&[]string{"name"}, &sl, "app.name.var"),
+		test.NewReadConfig("cfg"),
+		test.NewRead(true, "app", "name", "success"),
+	}
+
+	test.Run(t, prov, read)
+}