Fixed word boundary tests on paths (#93)

pkg/result/pathresult.go

@@ -36,7 +36,7 @@ func MatchPath(r *rule.Rule, path string) (rs []PathResult) {
 
 	for _, p := range dirParts {
 		p = filepath.ToSlash(p)
-		if r.MatchString(p, false) {
+		if len(r.FindMatchIndexes(p)) > 0 {
 			rs = append(rs, PathResult{LineResult: NewLineResult(r, p, path, 1, 1, 1)})
 		}
 	}

pkg/result/pathresult_test.go

@@ -29,3 +29,33 @@ func TestMatchPathRules(t *testing.T) {
 		})
 	}
 }
+
+func TestMatchPathRulesBoundary(t *testing.T) {
+	tt := []struct {
+		path    string
+		matches int
+	}{
+		{path: "/whitelist/list/test.go", matches: 1},
+		{path: "/testwhitelist/list/test.go", matches: 0},
+		{path: "/whitetest/list/test.go", matches: 0},
+		{path: "/whitelist.test/list/test.go", matches: 1},
+		{path: "/whitelist.test/blacklist/test.go", matches: 2},
+		{path: "/whitelisttest/blacklist/test.go", matches: 1},
+		{path: "/foo/bar/path_test.go", matches: 0},
+		{path: "/foo/bar/whitelistblacklist-new.go", matches: 0},
+		{path: "/foo/bar/whitelist-new.go", matches: 1},
+	}
+	for _, test := range tt {
+		t.Run(test.path, func(t *testing.T) {
+			defaultRules := rule.DefaultRules
+			for i := range defaultRules {
+				defaultRules[i].Options.WordBoundary = true
+			}
+			pr := MatchPathRules(defaultRules, test.path)
+			assert.Len(t, pr, test.matches)
+			for _, p := range pr {
+				assert.Equal(t, "Filename violation: "+p.Rule.Reason(p.LineResult.Violation), p.Reason())
+			}
+		})
+	}
+}