feat(task): replace built-in task adaptors with a sandboxed JS plugin system (#7076)

pkg/billingexpr/compile_usage_test.go

@@ -0,0 +1,21 @@
+package billingexpr_test
+
+import (
+	"testing"
+
+	"github.com/QuantumNous/new-api/pkg/billingexpr"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUsedUsageKeysExtractsLiteralCallsAndSkipsDynamicArguments(t *testing.T) {
+	expression := `tier("base", u(" seconds ") * 0.4 + (u("clips") > 0 ? u("clips") * 0.1 : 0)) + (u(header("usage-key")) == nil ? 0 : 0)`
+
+	keys := billingexpr.UsedUsageKeys(expression)
+
+	assert.Equal(t, map[string]bool{"seconds": true, "clips": true}, keys)
+}
+
+func TestUsedUsageKeysReturnsNilForEmptyOrInvalidExpressions(t *testing.T) {
+	assert.Nil(t, billingexpr.UsedUsageKeys(""))
+	assert.Nil(t, billingexpr.UsedUsageKeys(`tier("broken",`))
+}