Add unit test for resourceName

internal/provider/util_test.go

@@ -0,0 +1,38 @@
+package provider
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func Test_resourceName(t *testing.T) {
+	cases := []struct {
+		name                 string
+		providerShortName    string
+		templateFileName     string
+		expectedResourceName string
+	}{
+		{
+			"provider short name same as template file name",
+			"http",
+			"http.md.tmpl",
+			"http",
+		},
+		{
+			"provider short name different to template file name",
+			"tls",
+			"cert_request.md.tmpl",
+			"tls_cert_request",
+		},
+	}
+
+	for _, c := range cases {
+		t.Run(c.name, func(t *testing.T) {
+			actualResourceName := resourceName(c.providerShortName, c.templateFileName)
+			if !cmp.Equal(c.expectedResourceName, actualResourceName) {
+				t.Errorf("expected: %s, got: %s", c.expectedResourceName, actualResourceName)
+			}
+		})
+	}
+}