New unit test for lexicon

lexicon/lexicon_test.go

@@ -0,0 +1,37 @@
+package lexicon
+
+import (
+	"regexp"
+	"testing"
+)
+
+func initLexicon() {
+	LexiconPatterns = make(map[string]LexiconPattern)
+	lex := Lexicon{
+		Name: "did", Patterns: []string{".*unittest.*"}, Length: 100,
+	}
+	var patterns []*regexp.Regexp
+	for _, pat := range lex.Patterns {
+		patterns = append(patterns, regexp.MustCompile(pat))
+	}
+	lexPattern := LexiconPattern{
+		Lexicon:  lex,
+		Patterns: patterns,
+	}
+	LexiconPatterns["did"] = lexPattern
+}
+
+// TestPatterns
+func TestPatterns(t *testing.T) {
+	if LexiconPatterns == nil {
+		initLexicon()
+	}
+	err := CheckPattern("did", "xyz")
+	if err == nil {
+		t.Error("unable to correct match did pattern")
+	}
+	err = CheckPattern("did", "unittest")
+	if err != nil {
+		t.Error(err)
+	}
+}