Add sysinfo unit test (#832)

.github/workflows/pull_request.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -23,12 +23,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Setup up python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
 
       - name: Install tox
         run: pip install tox
@@ -44,16 +44,16 @@ jobs:
         go-version: ["1.19", "1.20"]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4
         with:
           go-version: ${{ matrix.go-version }}
 
-      - uses: actions/cache@v2
+      - uses: actions/cache@v3
         with:
           path: |
             ~/.cache/go-build
@@ -95,14 +95,14 @@ jobs:
         run: find /tmp/receptor-testing -name controlsock -delete
 
       - name: Artifact receptor data
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         if: ${{ failure() }}
         with:
           name: test-logs
           path: /tmp/receptor-testing
 
       - name: Archive receptor binary
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: receptor
           path: /usr/local/bin/receptor
@@ -115,12 +115,12 @@ jobs:
         python-version: [3.8, 3.9]
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Download receptor
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v3
         with:
           name: receptor
           path: /usr/local/bin/
@@ -129,7 +129,7 @@ jobs:
         run: sudo chmod a+x /usr/local/bin/receptor
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -143,12 +143,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
 
       - name: Install python dependencies
         run: pip install build

pkg/utils/sysinfo_test.go

@@ -0,0 +1,48 @@
+package utils_test
+
+import (
+	"os/exec"
+	"runtime"
+	"strconv"
+	"strings"
+	"testing"
+
+	"github.com/ansible/receptor/pkg/utils"
+)
+
+func TestGetSysCPUCount(t *testing.T) {
+	got := utils.GetSysCPUCount()
+	if got <= 0 {
+		t.Errorf("Non-positive CPU count: %d\n", got)
+	}
+
+	if runtime.GOOS == "linux" {
+		commandOutput, _ := exec.Command("nproc").CombinedOutput()
+
+		commandOutputWithout := strings.TrimSpace(string(commandOutput))
+		want, _ := strconv.Atoi(commandOutputWithout)
+
+		if got != want {
+			t.Errorf("Expected CPU count: %d, got %d\n", want, got)
+		}
+	}
+}
+
+func TestGetSysMemoryMiB(t *testing.T) {
+	got := utils.GetSysMemoryMiB()
+	if got <= 0 {
+		t.Errorf("Non-positive Memory: %d\n", got)
+	}
+
+	if runtime.GOOS == "linux" {
+		commandOutput, _ := exec.Command("sed", "-n", "s/^MemTotal:[[:space:]]*\\([[:digit:]]*\\).*/\\1/p", "/proc/meminfo").CombinedOutput()
+
+		commandOutputWithout := strings.TrimSpace(string(commandOutput))
+		wantKb, _ := strconv.ParseUint(commandOutputWithout, 10, 64)
+
+		want := wantKb / 1024
+		if got != want {
+			t.Errorf("Expected Memory: %d, got %d\n", want, got)
+		}
+	}
+}