small fix, don't worry about it

app/backend/internal/api/agents_helpers_test.go

@@ -0,0 +1,59 @@
+package api
+
+import (
+	"testing"
+	"time"
+)
+
+func TestIsValidAgentAuthToken(t *testing.T) {
+	t.Setenv("CONTAINR_AGENT_AUTH_TOKEN", "super-secret")
+	t.Setenv("CONTAINR_AGENT_AUTH_TOKENS", "")
+
+	if !isValidAgentAuthToken("super-secret") {
+		t.Fatalf("expected token to validate")
+	}
+	if isValidAgentAuthToken("wrong-token") {
+		t.Fatalf("expected invalid token to be rejected")
+	}
+}
+
+func TestConfiguredAgentAuthTokensCSV(t *testing.T) {
+	t.Setenv("CONTAINR_AGENT_AUTH_TOKEN", "")
+	t.Setenv("CONTAINR_AGENT_AUTH_TOKENS", "token-a, token-b ,token-c")
+
+	tokens := configuredAgentAuthTokens()
+	if len(tokens) != 3 {
+		t.Fatalf("expected 3 tokens, got %d (%v)", len(tokens), tokens)
+	}
+	if tokens[0] != "token-a" || tokens[1] != "token-b" || tokens[2] != "token-c" {
+		t.Fatalf("unexpected token list: %v", tokens)
+	}
+}
+
+func TestBuildMetricPointComputesPercentages(t *testing.T) {
+	point := buildMetricPoint(
+		time.Now(),
+		NodeResources{
+			CPU: CPUResources{
+				Cores: 4,
+				Usage: 32.5,
+			},
+			Memory: MemoryResources{
+				Total:     1000,
+				Used:      250,
+				Available: 750,
+			},
+		},
+		SystemLoad{Load1M: 1.1, Load5M: 0.9, Load15M: 0.5},
+		3,
+	)
+
+	mem := point["memory"].(map[string]interface{})
+	if mem["usage_percent"].(float64) != 25 {
+		t.Fatalf("expected memory usage percent 25, got %v", mem["usage_percent"])
+	}
+	cpu := point["cpu"].(map[string]interface{})
+	if cpu["usage_percent"].(float64) != 32.5 {
+		t.Fatalf("expected cpu usage percent 32.5, got %v", cpu["usage_percent"])
+	}
+}