refactor: split utility functions into utils and helpers

utils/collection_test.go

@@ -0,0 +1,64 @@
+package utils
+
+import (
+	"errors"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestCommon_ParseUserAgent(t *testing.T) {
+	tests := []struct {
+		in        string
+		outOs     string
+		outEditor string
+		outError  error
+	}{
+		{
+			"wakatime/13.0.7 (Linux-4.15.0-96-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 GoLand/2019.3.4 GoLand-wakatime/11.0.1",
+			"Linux",
+			"GoLand",
+			nil,
+		},
+		{
+			"wakatime/13.0.4 (Linux-5.4.64-x86_64-with-glibc2.2.5) Python3.7.6.final.0 emacs-wakatime/1.0.2",
+			"Linux",
+			"emacs",
+			nil,
+		},
+		{
+			"",
+			"",
+			"",
+			errors.New(""),
+		},
+		{
+			"wakatime/13.0.7 Python3.8.0.final.0 GoLand/2019.3.4 GoLand-wakatime/11.0.1",
+			"",
+			"",
+			errors.New(""),
+		},
+		{
+			"wakatime/v1.18.11 (linux-5.13.8-200.fc34.x86_64-x86_64) go1.16.7 emacs-wakatime/1.0.2",
+			"linux",
+			"emacs",
+			nil,
+		},
+		{
+			"wakatime/unset (linux-5.11.0-44-generic-x86_64) go1.16.13 emacs-wakatime/1.0.2",
+			"linux",
+			"emacs",
+			nil,
+		},
+	}
+
+	for _, test := range tests {
+		os, editor, err := ParseUserAgent(test.in)
+		assert.True(t, checkErr(err, test.outError))
+		assert.Equal(t, test.outOs, os)
+		assert.Equal(t, test.outEditor, editor)
+	}
+}
+
+func checkErr(expected, actual error) bool {
+	return (expected == nil && actual == nil) || (expected != nil && actual != nil)
+}