Add testfile for pwrstat package

go.mod

@@ -3,18 +3,21 @@ module github.com/kerwenwwer/pwrstat-exporter
 go 1.21.4
 
 require (
-	github.com/kerwenwwer/gopwrstat v0.0.0-20210706082034-1280720e1b75
 	github.com/prometheus/client_golang v1.11.0
+	github.com/stretchr/testify v1.4.0
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.26.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
 	google.golang.org/protobuf v1.26.0-rc.1 // indirect
+	gopkg.in/yaml.v2 v2.3.0 // indirect
 )

pwrstat/pwrstat_test.go

@@ -0,0 +1,38 @@
+package pwrstat
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestConstruct(t *testing.T) {
+	assert := assert.New(t)
+
+	sample := `
+The UPS information shows as following:
+    Properties:
+            Model Name................... CP1000PFCLCDa
+            Firmware Number.............. CR01803BBI11
+            Rating Voltage............... 120 V
+            Rating Power................. 600 Watt(1000 VA)
+    Current UPS status:
+            State........................ Normal
+            Power Supply by.............. Utility Power
+            Utility Voltage.............. 114 V
+            Output Voltage............... 114 V
+            Battery Capacity............. 100 %
+            Remaining Runtime............ 35 min.
+            Load......................... 114 Watt(19 %)
+            Line Interaction............. None
+            Test Result.................. Passed at 2022/09/21 20:44:29
+            Last Power Event............. None
+            `
+
+	actual := parseOutput(sample) // Make sure Construct is exported in pwrstat.go
+	assert.Len(actual.Status, 14, "Status should contain 14 entries")
+
+	actualBatteryCapacity, ok := actual.Status["Battery Capacity"]
+	assert.True(ok, "Battery Capacity key should exist")
+	assert.Equal("100 %", actualBatteryCapacity, "Battery Capacity should be 100 %")
+}