Minor changes

.github/workflows/go.yml

@@ -0,0 +1,21 @@
+name: Go
+
+on: [pull_request]
+
+jobs:
+
+  build:
+    runs-on: macos-13
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.21'
+
+    - name: Build
+      run: go build ./...
+
+    - name: Test
+      run: go test -v -race ./...

README.md

@@ -4,8 +4,8 @@ Show AirGradient measurements in MacOS menu bar
 ![Screenshot 2023-09-30 at 13 49 17](https://github.com/ljagiello/airdash/assets/380707/0d569e90-2a96-49af-8c6f-6020a53a7766)
 
 ## Config
+Configuration location - `~user/.airdash/config.yaml`
 ```yaml
-➜  ~ cat .airdash/config.yaml
 token: <secret-token>
 interval: 60
 ```

airgradient.go

@@ -3,10 +3,34 @@ package main
 import (
 	"io"
 	"net/http"
+	"time"
 )
 
 const AIR_GRADIENT_API_URL = "https://api.airgradient.com/public/api/v1/locations/measures/current"
 
+type AirGradientMeasures []struct {
+	LocationID         int       `json:"locationId"`
+	LocationName       string    `json:"locationName"`
+	Pm01               any       `json:"pm01"`
+	Pm02               int       `json:"pm02"`
+	Pm10               any       `json:"pm10"`
+	Pm003Count         any       `json:"pm003Count"`
+	Atmp               float64   `json:"atmp"`
+	Rhum               int       `json:"rhum"`
+	Rco2               int       `json:"rco2"`
+	Tvoc               float64   `json:"tvoc"`
+	Wifi               int       `json:"wifi"`
+	Timestamp          time.Time `json:"timestamp"`
+	LedMode            string    `json:"ledMode"`
+	LedCo2Threshold1   int       `json:"ledCo2Threshold1"`
+	LedCo2Threshold2   int       `json:"ledCo2Threshold2"`
+	LedCo2ThresholdEnd int       `json:"ledCo2ThresholdEnd"`
+	Serialno           string    `json:"serialno"`
+	FirmwareVersion    any       `json:"firmwareVersion"`
+	TvocIndex          int       `json:"tvocIndex"`
+	NoxIndex           int       `json:"noxIndex"`
+}
+
 func fetchMeasures(token string) ([]byte, error) {
 	client := &http.Client{}
 

config.go

@@ -10,6 +10,7 @@ import (
 type Config struct {
 	Token    string `yaml:"token"`
 	Interval int    `yaml:"interval"`
+	TempUnit string `yaml:"tempUnit"`
 }
 
 func LoadConfig(path string) (*Config, error) {

config_test.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func CreateTestConfig(configContent []byte) (*os.File, error) {
+	tmpfile, err := os.CreateTemp("", "*-pass")
+	if err != nil {
+		return nil, err
+	}
+
+	if _, err := tmpfile.Write(configContent); err != nil {
+		return nil, err
+	}
+	if err := tmpfile.Close(); err != nil {
+		return nil, err
+	}
+	return tmpfile, nil
+}
+
+func TestLoadConfig(t *testing.T) {
+	var testCases = []struct {
+		name          string
+		configContent []byte
+		token         string
+		interval      int
+		tempUnit      string
+		err           error
+	}{
+		{
+			"full-token",
+			[]byte(fmt.Sprintf("token: \"1234567890\"\ninterval: 60\ntempUnit: \"C\"")),
+			"1234567890",
+			60,
+			"C",
+			nil,
+		},
+		{
+			"missing-interval",
+			[]byte(fmt.Sprintf("token: \"1234567890\"\ntempUnit: \"F\"")),
+			"1234567890",
+			0,
+			"F",
+			nil,
+		},
+		{
+			"invalid-config",
+			[]byte(`foobar-invalid`),
+			"",
+			0,
+			"",
+			&yaml.TypeError{Errors: []string{"line 1: cannot unmarshal !!str `foobar-...` into main.Config"}}},
+	}
+
+	for _, tC := range testCases {
+		t.Run(tC.name, func(t *testing.T) {
+			tempFile, err := CreateTestConfig(tC.configContent)
+			require.NoError(t, err)
+			defer os.Remove(tempFile.Name())
+
+			cfg, err := LoadConfig(tempFile.Name())
+			if err == nil {
+				assert.Equal(t, tC.token, cfg.Token)
+				assert.Equal(t, tC.interval, cfg.Interval)
+				assert.Equal(t, tC.tempUnit, cfg.TempUnit)
+			}
+			assert.Equal(t, tC.err, err)
+		})
+	}
+}

go.mod

@@ -4,5 +4,11 @@ go 1.21.1
 
 require (
 	github.com/progrium/macdriver v0.5.0-preview.0.20230925233903-5cbb735647c0
+	github.com/stretchr/testify v1.8.4
 	gopkg.in/yaml.v3 v3.0.1
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+)

go.sum

@@ -1,7 +1,13 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-test/deep v1.1.0 h1:WOcxcdHcvdgThNXjw0t76K42FXTU7HpNQWHpA2HHNlg=
 github.com/go-test/deep v1.1.0/go.mod h1:5C2ZWiW0ErCdrYzpqxLbTX7MG14M9iiw8DgHncVwcsE=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/progrium/macdriver v0.5.0-preview.0.20230925233903-5cbb735647c0 h1:1xYV/JnbBzLDLgQ8RG5JYIZ6zWdMqCjqCfu9w7mNrS4=
 github.com/progrium/macdriver v0.5.0-preview.0.20230925233903-5cbb735647c0/go.mod h1:eGZ1EqLpM/E39G7m1QwqPWwP8lu1eLYKuMaZGqt7P3w=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

main.go

@@ -12,29 +12,6 @@ import (
 	"github.com/progrium/macdriver/objc"
 )
 
-type AirGradientMeasures []struct {
-	LocationID         int       `json:"locationId"`
-	LocationName       string    `json:"locationName"`
-	Pm01               any       `json:"pm01"`
-	Pm02               int       `json:"pm02"`
-	Pm10               any       `json:"pm10"`
-	Pm003Count         any       `json:"pm003Count"`
-	Atmp               float64   `json:"atmp"`
-	Rhum               int       `json:"rhum"`
-	Rco2               int       `json:"rco2"`
-	Tvoc               float64   `json:"tvoc"`
-	Wifi               int       `json:"wifi"`
-	Timestamp          time.Time `json:"timestamp"`
-	LedMode            string    `json:"ledMode"`
-	LedCo2Threshold1   int       `json:"ledCo2Threshold1"`
-	LedCo2Threshold2   int       `json:"ledCo2Threshold2"`
-	LedCo2ThresholdEnd int       `json:"ledCo2ThresholdEnd"`
-	Serialno           string    `json:"serialno"`
-	FirmwareVersion    any       `json:"firmwareVersion"`
-	TvocIndex          int       `json:"tvocIndex"`
-	NoxIndex           int       `json:"noxIndex"`
-}
-
 func main() {
 	macos.RunApp(launched)
 }
@@ -80,12 +57,22 @@ func launched(app appkit.Application, delegate *appkit.ApplicationDelegate) {
 					return
 				}
 			}
+			if len(airGradientMeasures) == 0 {
+				logger.Error("No measurements found")
+				return
+			}
+
 			logger.Debug("AirGradientMeasures", "measures", airGradientMeasures[0])
 
+			temperature := airGradientMeasures[0].Atmp
+			if cfg.TempUnit == "F" {
+				temperature = (airGradientMeasures[0].Atmp * 9 / 5) + 32
+			}
+
 			// updates to the ui should happen on the main thread to avoid segfaults
 			dispatch.MainQueue().DispatchAsync(func() {
-				item.Button().SetTitle(fmt.Sprintf("🌡️%.2fF  💨 %d  💦 %d  🫧 %d",
-					(airGradientMeasures[0].Atmp*9/5)+32,
+				item.Button().SetTitle(fmt.Sprintf("🌡️%.2f  💨 %d  💦 %d  🫧 %d",
+					temperature,
 					airGradientMeasures[0].Pm02,
 					airGradientMeasures[0].Rhum,
 					airGradientMeasures[0].Rco2,