Add UT for config

.github/workflows/ut.yml

@@ -0,0 +1,32 @@
+name: Kmesh Unit Test Workflow
+
+on: pull_request
+
+jobs:
+
+  build:
+    runs-on: ubuntu-22.04
+
+    env:
+      PKG_CONFIG_PATH: $GITHUB_WORKSPACE/mk
+
+    strategy:
+      matrix:
+        go-version: [ '1.21' ]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Setup Go
+      uses: actions/setup-go@v4.0.0
+      with:
+        go-version: ${{ matrix.go-version }}
+
+    - name: Set enviroments
+      run: |
+        find $GITHUB_WORKSPACE/mk -name "*.pc" | xargs sed -i "s#^prefix=.*#prefix=$GITHUB_WORKSPACE#g"
+        echo "PKG_CONFIG_PATH=$GITHUB_WORKSPACE/mk" >> $GITHUB_ENV
+
+    - name: Go Test
+      run: |
+        go test -v -vet=off ./...

Makefile

@@ -166,3 +166,8 @@ clean:
 	$(QUIET) make clean -C bpf/deserialization_to_bpf_map
 	$(call printlog, CLEAN, "kernel")
 	$(QUIET) make clean -C kernel/ko_src
+
+test-ut:
+	$(QUIET) find $(ROOT_DIR)/mk -name "*.pc" | xargs sed -i "s#^prefix=.*#prefix=${ROOT_DIR}#g"
+	$(QUIET) (export PKG_CONFIG_PATH=$(PKG_CONFIG_PATH):$(ROOT_DIR)mk; \
+		$(GO) test -v -vet=off -tags testut ./pkg/...)

mk/api-v2-c.pc

@@ -1,4 +1,4 @@
-prefix=
+prefix=/home/vander0x00/workplace/kmesh/
 
 Name: api-v2-c
 Description: api-v2-c

mk/bpf.pc

@@ -1,4 +1,4 @@
-prefix=
+prefix=/home/vander0x00/workplace/kmesh/
 Name: bpf
 Description: bpf
 Version:

pkg/bpf/bpf.go

@@ -1,3 +1,6 @@
+//go:build !testut
+// +build !testut
+
 /*
  * Copyright 2023 The Kmesh Authors.
  *

pkg/bpf/bpf_kmesh.go

@@ -1,4 +1,5 @@
-// +build enhanced
+//go:build enhanced || ignore || !testut
+// +build enhanced ignore !testut
 
 /*
  * Copyright 2023 The Kmesh Authors.
@@ -46,8 +47,8 @@ type BpfSockOps struct {
 
 type BpfKmesh struct {
 	TracePoint BpfTracePoint
-	SockConn BpfSockConn
-	SockOps  BpfSockOps
+	SockConn   BpfSockConn
+	SockOps    BpfSockOps
 }
 
 func (sc *BpfTracePoint) NewBpf(cfg *Config) {
@@ -93,7 +94,7 @@ func NewBpfKmesh(cfg *Config) (BpfKmesh, error) {
 
 func (sc *BpfTracePoint) loadKmeshTracePointObjects() (*ebpf.CollectionSpec, error) {
 	var (
-		err error
+		err  error
 		spec *ebpf.CollectionSpec
 		opts ebpf.CollectionOptions
 	)
@@ -314,7 +315,7 @@ func (sc *BpfKmesh) ApiEnvCfg() error {
 }
 
 func (sc *BpfTracePoint) Attach() error {
-	tpopt := link.RawTracepointOptions {
+	tpopt := link.RawTracepointOptions{
 		Name:    "connect_ret",
 		Program: sc.KmeshTracePointObjects.ConnectRet,
 	}

pkg/bpf/bpf_kmesh_common.go

@@ -1,3 +1,6 @@
+//go:build !testut
+// +build !testut
+
 /*
  * Copyright 2023 The Kmesh Authors.
  *

pkg/bpf/bpf_kmesh_l4.go

@@ -1,5 +1,5 @@
-//go:build !enhanced
-// +build !enhanced
+//go:build !enhanced && !testut
+// +build !enhanced,!testut
 
 /*
  * Copyright 2023 The Kmesh Authors.

pkg/bpf/bpf_kmesh_l4_workload.go

@@ -1,3 +1,6 @@
+//go:build !testut
+// +build !testut
+
 /*
  * Copyright 2024 The Kmesh Authors.
  *

pkg/bpf/bpf_kmesh_workload.go

@@ -1,3 +1,6 @@
+//go:build !testut
+// +build !testut
+
 /*
  * Copyright 2024 The Kmesh Authors.
  *

pkg/bpf/config_test.go

@@ -0,0 +1,83 @@
+/*
+ * Copyright 2023 The Kmesh Authors.
+ *
+ * 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.
+
+ * Author: Min Chen
+ * Create: 2024-01-23
+ */
+
+package bpf
+
+import "testing"
+
+func TestConfig_ParseConfig(t *testing.T) {
+	type fields struct {
+		BpfFsPath        string
+		Cgroup2Path      string
+		EnableKmesh      bool
+		EnableMda        bool
+		BpfVerifyLogSize int
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+		{
+			name: "valid Mda config",
+			fields: fields{
+				EnableMda: true,
+			},
+			wantErr: false,
+		},
+		// {
+		// 	name: "valid Kmesh config",
+		// 	fields: fields{
+		// 		EnableKmesh: true,
+
+		// 	},
+		// },
+		{
+			name: "none of EnableKmesh or EnableMda",
+			fields: fields{
+				EnableKmesh: false,
+				EnableMda:   false,
+			},
+			wantErr: true,
+		},
+		{
+			name: "both EnableKmesh and EnableMda",
+			fields: fields{
+				EnableKmesh: true,
+				EnableMda:   true,
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := &Config{
+				BpfFsPath:        tt.fields.BpfFsPath,
+				Cgroup2Path:      tt.fields.Cgroup2Path,
+				EnableKmesh:      tt.fields.EnableKmesh,
+				EnableMda:        tt.fields.EnableMda,
+				BpfVerifyLogSize: tt.fields.BpfVerifyLogSize,
+			}
+			if err := c.ParseConfig(); (err != nil) != tt.wantErr {
+				t.Errorf("ParseConfig() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

pkg/bpf/pin.go

@@ -1,3 +1,6 @@
+//go:build !testut
+// +build !testut
+
 /*
  * Copyright 2023 The Kmesh Authors.
  *