feat: add global-option setting in configmap (#699)

Signed-off-by: sjcsjc123 <1401189096@qq.com>

pkg/ingress/kube/configmap/global_test.go

@@ -0,0 +1,252 @@
+// Copyright (c) 2022 Alibaba Group Holding Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package configmap
+
+import (
+	"testing"
+
+	"github.com/alibaba/higress/pkg/ingress/kube/util"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_validGlobal(t *testing.T) {
+	tests := []struct {
+		name    string
+		global  *Global
+		wantErr error
+	}{
+		{
+			name:    "default",
+			global:  NewDefaultGlobalOption(),
+			wantErr: nil,
+		},
+		{
+			name:    "nil",
+			global:  nil,
+			wantErr: nil,
+		},
+		{
+			name: "downstream nil",
+			global: &Global{
+				Downstream:           nil,
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			wantErr: nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := validGlobal(tt.global)
+			assert.Equal(t, tt.wantErr, err)
+		})
+	}
+}
+
+func Test_compareGlobal(t *testing.T) {
+	tests := []struct {
+		name    string
+		old     *Global
+		new     *Global
+		want    Result
+		wantErr error
+	}{
+		{
+			name:    "compare both nil",
+			old:     nil,
+			new:     nil,
+			want:    ResultNothing,
+			wantErr: nil,
+		},
+		{
+			name:    "compare new nil 1",
+			old:     NewDefaultGlobalOption(),
+			new:     nil,
+			want:    ResultDelete,
+			wantErr: nil,
+		},
+		{
+			name:    "compare new nil 2",
+			old:     NewDefaultGlobalOption(),
+			new:     &Global{},
+			want:    ResultDelete,
+			wantErr: nil,
+		},
+		{
+			name:    "compare result equal",
+			old:     NewDefaultGlobalOption(),
+			new:     NewDefaultGlobalOption(),
+			want:    ResultNothing,
+			wantErr: nil,
+		},
+		{
+			name: "compare result not equal",
+			old:  NewDefaultGlobalOption(),
+			new: &Global{
+				Downstream: &Downstream{
+					IdleTimeout: 1,
+				},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			want:    ResultReplace,
+			wantErr: nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result, err := compareGlobal(tt.old, tt.new)
+			assert.Equal(t, tt.wantErr, err)
+			assert.Equal(t, tt.want, result)
+		})
+	}
+}
+
+func Test_deepCopyGlobal(t *testing.T) {
+	tests := []struct {
+		name    string
+		global  *Global
+		want    *Global
+		wantErr error
+	}{
+		{
+			name:    "deep copy 1",
+			global:  NewDefaultGlobalOption(),
+			want:    NewDefaultGlobalOption(),
+			wantErr: nil,
+		},
+		{
+			name: "deep copy 2",
+			global: &Global{
+				Downstream: &Downstream{
+					IdleTimeout:            1,
+					MaxRequestHeadersKb:    9600,
+					ConnectionBufferLimits: 4096,
+					Http2:                  NewDefaultHttp2(),
+				},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			want: &Global{
+				Downstream: &Downstream{
+					IdleTimeout:            1,
+					MaxRequestHeadersKb:    9600,
+					ConnectionBufferLimits: 4096,
+					Http2:                  NewDefaultHttp2(),
+				},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			wantErr: nil,
+		},
+		{
+			name: "deep copy 3",
+			global: &Global{
+				Downstream:           &Downstream{},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			want: &Global{
+				Downstream:           NewDefaultDownstream(),
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			wantErr: nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			global, err := deepCopyGlobal(tt.global)
+			assert.Equal(t, tt.wantErr, err)
+			assert.Equal(t, tt.want, global)
+		})
+	}
+}
+
+func Test_AddOrUpdateHigressConfig(t *testing.T) {
+	eventPush := "default"
+	defaultHandler := func(name string) {
+		eventPush = "push"
+	}
+	defaultName := util.ClusterNamespacedName{}
+
+	tests := []struct {
+		name          string
+		old           *HigressConfig
+		new           *HigressConfig
+		wantErr       error
+		wantEventPush string
+		wantGlobal    *Global
+	}{
+		{
+			name:          "default",
+			new:           NewDefaultHigressConfig(),
+			old:           NewDefaultHigressConfig(),
+			wantErr:       nil,
+			wantEventPush: "default",
+			wantGlobal:    NewDefaultGlobalOption(),
+		},
+		{
+			name: "replace and push",
+			old:  NewDefaultHigressConfig(),
+			new: &HigressConfig{
+				Downstream: &Downstream{
+					IdleTimeout: 1,
+				},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+			wantErr:       nil,
+			wantEventPush: "push",
+			wantGlobal: &Global{
+				Downstream: &Downstream{
+					IdleTimeout:            1,
+					MaxRequestHeadersKb:    defaultMaxRequestHeadersKb,
+					ConnectionBufferLimits: defaultConnectionBufferLimits,
+					Http2:                  NewDefaultHttp2(),
+				},
+				AddXRealIpHeader:     true,
+				DisableXEnvoyHeaders: true,
+			},
+		},
+		{
+			name: "delete and push",
+			old: &HigressConfig{
+				Downstream:           NewDefaultDownstream(),
+				AddXRealIpHeader:     defaultAddXRealIpHeader,
+				DisableXEnvoyHeaders: defaultDisableXEnvoyHeaders,
+			},
+			new:           &HigressConfig{},
+			wantErr:       nil,
+			wantEventPush: "push",
+			wantGlobal: &Global{
+				Downstream:           NewDefaultDownstream(),
+				AddXRealIpHeader:     defaultAddXRealIpHeader,
+				DisableXEnvoyHeaders: defaultDisableXEnvoyHeaders,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			g := NewGlobalOptionController("higress-namespace")
+			g.eventHandler = defaultHandler
+			eventPush = "default"
+			err := g.AddOrUpdateHigressConfig(defaultName, tt.old, tt.new)
+			assert.Equal(t, tt.wantErr, err)
+			assert.Equal(t, tt.wantEventPush, eventPush)
+			assert.Equal(t, tt.wantGlobal, g.GetGlobal())
+		})
+	}
+}