Rename linux collectors for build constraints.

collector/netdev_linux_test.go

@@ -0,0 +1,40 @@
+package collector
+
+import (
+	"os"
+	"regexp"
+	"testing"
+)
+
+func TestNetDevStats(t *testing.T) {
+	file, err := os.Open("fixtures/net-dev")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer file.Close()
+
+	netStats, err := parseNetDevStats(file, regexp.MustCompile("^veth"))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if want, got := "10437182923", netStats["receive"]["wlan0"]["bytes"]; want != got {
+		t.Errorf("want netstat wlan0 bytes %s, got %s", want, got)
+	}
+
+	if want, got := "68210035552", netStats["receive"]["eth0"]["bytes"]; want != got {
+		t.Errorf("want netstat eth0 bytes %s, got %s", want, got)
+	}
+
+	if want, got := "934", netStats["transmit"]["tun0"]["packets"]; want != got {
+		t.Errorf("want netstat tun0 packets %s, got %s", want, got)
+	}
+
+	if want, got := 6, len(netStats["transmit"]); want != got {
+		t.Errorf("want count of devices to be %d, got %d", want, got)
+	}
+
+	if _, ok := netStats["transmit"]["veth4B09XN"]; ok != false {
+		t.Error("want fixture interface veth4B09XN to not exist, but it does")
+	}
+}