initial public release

internal/scan/similarity_test.go

@@ -0,0 +1,54 @@
+package scan
+
+import "testing"
+
+func TestRoleSimilar_TruePositives(t *testing.T) {
+	cases := [][2]string{
+		{"Senior Red Team Operator", "Red Team Operator"},
+		{"Staff Penetration Tester", "Senior Pen Tester"},             // prefix match pen→penetration
+		{"Security Engineer, Tokyo", "Senior Security Engineer"},      // location + seniority stripped
+		{"Principal ICS Security Consultant", "ICS Security Engineer"},
+	}
+	for _, c := range cases {
+		if !RoleSimilar(c[0], c[1]) {
+			t.Errorf("expected similar: %q vs %q", c[0], c[1])
+		}
+	}
+}
+
+func TestRoleSimilar_TrueNegatives(t *testing.T) {
+	cases := [][2]string{
+		{"Red Team Operator", "Data Engineer"},
+		{"Security Engineer", "Accounting Analyst"},
+		{"Head of Engineering", "Head of Marketing"},      // both reduce to [marketing] vs [] after stopwords
+		{"Senior Engineer", "Principal Engineer"},         // both reduce to empty after stopwords
+	}
+	for _, c := range cases {
+		if RoleSimilar(c[0], c[1]) {
+			t.Errorf("expected not similar: %q vs %q", c[0], c[1])
+		}
+	}
+}
+
+func TestRoleSimilar_EmptyInputs(t *testing.T) {
+	if RoleSimilar("", "") {
+		t.Fatal("empty inputs must not match")
+	}
+	if RoleSimilar("Senior", "Engineer") {
+		t.Fatal("all-stopword inputs must not match")
+	}
+}
+
+func TestTokenizeRole_StripsCorrectly(t *testing.T) {
+	got := tokenizeRole("Senior Red Team Operator, Tokyo (Remote)")
+	// senior, tokyo, remote, engineer stopwords stripped; too-short (≤2) stripped.
+	want := map[string]bool{"red": true, "team": true, "operator": true}
+	if len(got) != len(want) {
+		t.Fatalf("got %v want keys %v", got, want)
+	}
+	for _, w := range got {
+		if !want[w] {
+			t.Errorf("unexpected token %q", w)
+		}
+	}
+}