Remove remaining gRPC references with additional tests

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

internal/app/wwctl/node/delete/main_test.go

@@ -0,0 +1,121 @@
+package delete
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/warewulf/warewulf/internal/pkg/testenv"
+	"github.com/warewulf/warewulf/internal/pkg/warewulfd"
+)
+
+func Test_Delete(t *testing.T) {
+	tests := []struct {
+		name    string
+		args    []string
+		inDB    string
+		outDB   string
+		wantErr bool
+	}{
+		{
+			name: "delete single node",
+			args: []string{"--yes", "n01"},
+			inDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n01:
+    profiles:
+    - default
+  n02:
+    profiles:
+    - default`,
+			outDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n02:
+    profiles:
+    - default`,
+		},
+		{
+			name: "delete multiple nodes",
+			args: []string{"--yes", "n01", "n02"},
+			inDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n01:
+    profiles:
+    - default
+  n02:
+    profiles:
+    - default
+  n03:
+    profiles:
+    - default`,
+			outDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n03:
+    profiles:
+    - default`,
+		},
+		{
+			name: "delete non-existent node",
+			args: []string{"--yes", "doesnotexist"},
+			inDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n01:
+    profiles:
+    - default`,
+			outDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n01:
+    profiles:
+    - default`,
+		},
+		{
+			name: "delete all nodes",
+			args: []string{"--yes", "n01", "n02"},
+			inDB: `
+nodeprofiles:
+  default: {}
+nodes:
+  n01: {}
+  n02: {}`,
+			outDB: `
+nodeprofiles:
+  default: {}
+nodes: {}`,
+		},
+	}
+
+	warewulfd.SetNoDaemon()
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			env := testenv.New(t)
+			defer env.RemoveAll()
+			env.WriteFile("etc/warewulf/nodes.conf", tt.inDB)
+
+			buf := new(bytes.Buffer)
+			baseCmd := GetCommand()
+			baseCmd.SetArgs(tt.args)
+			baseCmd.SetOut(buf)
+			baseCmd.SetErr(buf)
+			err := baseCmd.Execute()
+			if tt.wantErr {
+				assert.Error(t, err)
+			} else {
+				assert.NoError(t, err)
+				content := env.ReadFile("etc/warewulf/nodes.conf")
+				assert.YAMLEq(t, tt.outDB, content)
+			}
+		})
+	}
+}