add failing test for #1817

Signed-off-by: Christian Goll <cgoll@suse.com>

internal/pkg/warewulfd/nodedb_test.go

@@ -0,0 +1,96 @@
+package warewulfd
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/warewulf/warewulf/internal/pkg/testenv"
+)
+
+func Test_GetNodeOrSetDiscoverable(t *testing.T) {
+	var tests = map[string]struct {
+		nodesConf string
+		hwaddr    string
+		node      string
+		err       bool
+	}{
+		"empty": {
+			nodesConf: `
+nodes: {}
+`,
+			hwaddr: "00:00:00:00:00:00",
+			err:    true,
+		},
+		"configured": {
+			nodesConf: `
+nodes:
+  n1:
+    network devices:
+      default:
+        hwaddr: 00:00:00:00:00:01
+`,
+			hwaddr: "00:00:00:00:00:01",
+			node:   "n1",
+		},
+		"discoverable": {
+			nodesConf: `
+nodes:
+  n1:
+    discoverable: true
+    network devices:
+      default: {}
+`,
+			hwaddr: "00:00:00:00:00:01",
+			node:   "n1",
+		},
+		"discoverable with primary": {
+			nodesConf: `
+nodes:
+  n1:
+    discoverable: true
+    primary netdev: default
+    network devices:
+      default: {}
+`,
+			hwaddr: "00:00:00:00:00:01",
+			node:   "n1",
+		},
+		"discoverable without network": {
+			nodesConf: `
+nodeprofiles:
+  default:
+    network devices:
+      default:
+        netmask: 255.255.255.0
+nodes:
+  n1:
+    profiles:
+    - default
+    discoverable: true
+`,
+			hwaddr: "00:00:00:00:00:01",
+			node:   "n1",
+		},
+	}
+
+	for name, tt := range tests {
+		t.Run(name, func(t *testing.T) {
+			env := testenv.New(t)
+			defer env.RemoveAll()
+			env.WriteFile("/etc/warewulf/nodes.conf", tt.nodesConf)
+
+			err := LoadNodeDB()
+			assert.NoError(t, err)
+
+			node, err := GetNodeOrSetDiscoverable(tt.hwaddr)
+			if tt.err {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				assert.Equal(t, tt.node, node.Id())
+			}
+		})
+	}
+
+}