utils test start

utils/utils_test.go

@@ -0,0 +1,39 @@
+package utils
+
+import "testing"
+
+type canBeEdited struct {
+	file   string
+	result bool
+}
+
+var canBeEditedPairs = []canBeEdited{
+	{"file.markdown", true},
+	{"file.md", true},
+	{"file.json", true},
+	{"file.toml", true},
+	{"file.yaml", true},
+	{"file.css", true},
+	{"file.sass", true},
+	{"file.scss", true},
+	{"file.js", true},
+	{"file.html", true},
+	{"file.git", false},
+	{"file.log", false},
+	{"file.sh", false},
+	{"file.png", false},
+	{"file.jpg", false},
+}
+
+func TestCanBeEdited(t *testing.T) {
+	for _, pair := range canBeEditedPairs {
+		v := CanBeEdited(pair.file)
+		if v != pair.result {
+			t.Error(
+				"For", pair.file,
+				"expected", pair.result,
+				"got", v,
+			)
+		}
+	}
+}