Add github input plugin (#5587)

plugins/inputs/github/github_test.go

@@ -0,0 +1,119 @@
+package github
+
+import (
+	"reflect"
+	"testing"
+
+	gh "github.com/google/go-github/github"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSplitRepositoryNameWithWorkingExample(t *testing.T) {
+	var validRepositoryNames = []struct {
+		fullName   string
+		owner      string
+		repository string
+	}{
+		{"influxdata/telegraf", "influxdata", "telegraf"},
+		{"influxdata/influxdb", "influxdata", "influxdb"},
+		{"rawkode/saltstack-dotfiles", "rawkode", "saltstack-dotfiles"},
+	}
+
+	for _, tt := range validRepositoryNames {
+		t.Run(tt.fullName, func(t *testing.T) {
+			owner, repository, _ := splitRepositoryName(tt.fullName)
+
+			require.Equal(t, tt.owner, owner)
+			require.Equal(t, tt.repository, repository)
+		})
+	}
+}
+
+func TestSplitRepositoryNameWithNoSlash(t *testing.T) {
+	var invalidRepositoryNames = []string{
+		"influxdata-influxdb",
+	}
+
+	for _, tt := range invalidRepositoryNames {
+		t.Run(tt, func(t *testing.T) {
+			_, _, err := splitRepositoryName(tt)
+
+			require.NotNil(t, err)
+		})
+	}
+}
+
+func TestGetLicenseWhenExists(t *testing.T) {
+	licenseName := "MIT"
+	license := gh.License{Name: &licenseName}
+	repository := gh.Repository{License: &license}
+
+	getLicenseReturn := getLicense(&repository)
+
+	require.Equal(t, "MIT", getLicenseReturn)
+}
+
+func TestGetLicenseWhenMissing(t *testing.T) {
+	repository := gh.Repository{}
+
+	getLicenseReturn := getLicense(&repository)
+
+	require.Equal(t, "None", getLicenseReturn)
+}
+
+func TestGetTags(t *testing.T) {
+	licenseName := "MIT"
+	license := gh.License{Name: &licenseName}
+
+	ownerName := "influxdata"
+	owner := gh.User{Login: &ownerName}
+
+	fullName := "influxdata/influxdb"
+	repositoryName := "influxdb"
+
+	language := "Go"
+
+	repository := gh.Repository{
+		FullName: &fullName,
+		Name:     &repositoryName,
+		License:  &license,
+		Owner:    &owner,
+		Language: &language,
+	}
+
+	getTagsReturn := getTags(&repository)
+
+	correctTagsReturn := map[string]string{
+		"owner":    ownerName,
+		"name":     repositoryName,
+		"language": language,
+		"license":  licenseName,
+	}
+
+	require.Equal(t, true, reflect.DeepEqual(getTagsReturn, correctTagsReturn))
+}
+
+func TestGetFields(t *testing.T) {
+	stars := 1
+	forks := 2
+	openIssues := 3
+	size := 4
+
+	repository := gh.Repository{
+		StargazersCount: &stars,
+		ForksCount:      &forks,
+		OpenIssuesCount: &openIssues,
+		Size:            &size,
+	}
+
+	getFieldsReturn := getFields(&repository)
+
+	correctFieldReturn := make(map[string]interface{})
+
+	correctFieldReturn["stars"] = 1
+	correctFieldReturn["forks"] = 2
+	correctFieldReturn["open_issues"] = 3
+	correctFieldReturn["size"] = 4
+
+	require.Equal(t, true, reflect.DeepEqual(getFieldsReturn, correctFieldReturn))
+}