chore: add ut for meminfo.go, update codecov.yaml (#208)

Signed-off-by: saintube <saintube@foxmail.com>

codecov.yml

@@ -1,17 +1,29 @@
-flag_management:
-  default_rules:
-    carryforward: true
-    statuses:
-      - name_prefix: project-
-        type: project
+coverage:
+  status:
+    project:
+      # global coverage
+      default:
         target: auto
-        threshold: 5%
+        threshold: 2%
+        flags:
+          - unittests
+        paths:
+          - "pkg"
+        # advanced settings
+        if_ci_failed: error #success, failure, error, ignore
         if_no_uploads: error
         if_not_found: success # no commit found? still set a success
-      - name_prefix: patch-
-        type: patch
+    patch:
+      # diff coverage
+      default:
         target: 70%
+        flags:
+          - unittests
+        paths:
+          - "pkg"
+        if_ci_failed: error
         if_no_uploads: success
         if_not_found: success
+
 github_checks:
   annotations: true

pkg/util/meminfo_test.go

@@ -49,9 +49,26 @@ func Test_readMemInfo(t *testing.T) {
 		"HugePages_Rsvd:        0\nHugePages_Surp:        0\nHugepagesize:       2048 kB\n" +
 		"DirectMap4k:      414760 kB\nDirectMap2M:     8876032 kB\nDirectMap1G:    261095424 kB\n"
 	err := ioutil.WriteFile(tempMemInfoPath, []byte(memInfoContentStr), 0666)
-	if err != nil {
-		t.Error(err)
-	}
+	assert.NoError(t, err)
+	tempMemInfoPath1 := filepath.Join(tempDir, "meminfo1")
+	memInfoContentStr1 := "MemTotal:       263432804 kB\nMemFree:        254391744 kB\nMemAvailable:   256703236 kB\n" +
+		"Buffers:          958096 kB\nCached:          invalidField kB\nSwapCached:            0 kB\n" +
+		"Active:          2786012 kB\nInactive:        2223752 kB\nActive(anon):     289488 kB\n" +
+		"Inactive(anon):     1300 kB\nActive(file):    2496524 kB\nInactive(file):  2222452 kB\n" +
+		"Unevictable:           0 kB\nMlocked:               0 kB\nSwapTotal:             0 kB\n" +
+		"SwapFree:              0 kB\nDirty:               624 kB\nWriteback:             0 kB\n" +
+		"AnonPages:        281748 kB\nMapped:           495936 kB\nShmem:              2340 kB\n" +
+		"Slab:            1097040 kB\nSReclaimable:     445164 kB\nSUnreclaim:       651876 kB\n" +
+		"KernelStack:       20944 kB\nPageTables:         7896 kB\nNFS_Unstable:          0 kB\n" +
+		"Bounce:                0 kB\nWritebackTmp:          0 kB\nCommitLimit:    131716400 kB\n" +
+		"Committed_AS:    3825364 kB\nVmallocTotal:   34359738367 kB\nVmallocUsed:           0 kB\n" +
+		"VmallocChunk:          0 kB\nHardwareCorrupted:     0 kB\nAnonHugePages:     38912 kB\n" +
+		"ShmemHugePages:        0 kB\nShmemPmdMapped:        0 kB\nCmaTotal:              0 kB\n" +
+		"CmaFree:               0 kB\nHugePages_Total:       0\nHugePages_Free:        0\n" +
+		"HugePages_Rsvd:        0\nHugePages_Surp:        0\nHugepagesize:       2048 kB\n" +
+		"DirectMap4k:      414760 kB\nDirectMap2M:     8876032 kB\nDirectMap1G:    261095424 kB\n"
+	err = ioutil.WriteFile(tempMemInfoPath1, []byte(memInfoContentStr1), 0666)
+	assert.NoError(t, err)
 	type args struct {
 		path string
 	}
@@ -89,6 +106,50 @@ func Test_readMemInfo(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "read test mem stat path",
+			args: args{path: tempMemInfoPath},
+			want: &MemInfo{
+				MemTotal: 263432804, MemFree: 254391744, MemAvailable: 256703236,
+				Buffers: 958096, Cached: 3763224, SwapCached: 0,
+				Active: 2786012, Inactive: 2223752, ActiveAnon: 289488,
+				InactiveAnon: 1300, ActiveFile: 2496524, InactiveFile: 2222452,
+				Unevictable: 0, Mlocked: 0, SwapTotal: 0,
+				SwapFree: 0, Dirty: 624, Writeback: 0,
+				AnonPages: 281748, Mapped: 495936, Shmem: 2340,
+				Slab: 1097040, SReclaimable: 445164, SUnreclaim: 651876,
+				KernelStack: 20944, PageTables: 7896, NFS_Unstable: 0,
+				Bounce: 0, WritebackTmp: 0, CommitLimit: 131716400,
+				Committed_AS: 3825364, VmallocTotal: 34359738367, VmallocUsed: 0,
+				VmallocChunk: 0, HardwareCorrupted: 0, AnonHugePages: 38912,
+				HugePages_Total: 0, HugePages_Free: 0, HugePages_Rsvd: 0,
+				HugePages_Surp: 0, Hugepagesize: 2048, DirectMap4k: 414760,
+				DirectMap2M: 8876032, DirectMap1G: 261095424,
+			},
+			wantErr: false,
+		},
+		{
+			name: "read test mem stat path",
+			args: args{path: tempMemInfoPath1},
+			want: &MemInfo{
+				MemTotal: 263432804, MemFree: 254391744, MemAvailable: 256703236,
+				Buffers: 958096, Cached: 0, SwapCached: 0,
+				Active: 2786012, Inactive: 2223752, ActiveAnon: 289488,
+				InactiveAnon: 1300, ActiveFile: 2496524, InactiveFile: 2222452,
+				Unevictable: 0, Mlocked: 0, SwapTotal: 0,
+				SwapFree: 0, Dirty: 624, Writeback: 0,
+				AnonPages: 281748, Mapped: 495936, Shmem: 2340,
+				Slab: 1097040, SReclaimable: 445164, SUnreclaim: 651876,
+				KernelStack: 20944, PageTables: 7896, NFS_Unstable: 0,
+				Bounce: 0, WritebackTmp: 0, CommitLimit: 131716400,
+				Committed_AS: 3825364, VmallocTotal: 34359738367, VmallocUsed: 0,
+				VmallocChunk: 0, HardwareCorrupted: 0, AnonHugePages: 38912,
+				HugePages_Total: 0, HugePages_Free: 0, HugePages_Rsvd: 0,
+				HugePages_Surp: 0, Hugepagesize: 2048, DirectMap4k: 414760,
+				DirectMap2M: 8876032, DirectMap1G: 261095424,
+			},
+			wantErr: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {