Add path matcher.

editorconfig/path_matcher_test.go

@@ -0,0 +1,46 @@
+package editorconfig
+
+import (
+	"testing"
+)
+
+func TestConvertWildcardPatternToGoRegexp(t *testing.T) {
+	RunConvertWildcardPatternToGoRegexp := func(input string, expected string) {
+		result := ConvertWildcardPatternToGoRegexp(input).String()
+		if result != expected {
+			t.Error("For " + input + " got " + result + " but expected " + expected)
+		}
+	}
+
+	// Test that special regex characters are escaped.
+	RunConvertWildcardPatternToGoRegexp(`[hello :).sql`, `\[hello :\)\.sql`)
+	RunConvertWildcardPatternToGoRegexp(`]hello(`, `\]hello\(`)
+
+	// Test *
+	RunConvertWildcardPatternToGoRegexp(`*.go`, `[^/\\]+\.go`)
+	RunConvertWildcardPatternToGoRegexp(`folder/*.go`, `folder/[^/\\]+\.go`)
+
+	// Test **
+	RunConvertWildcardPatternToGoRegexp(`**.go`, `.+\.go`)
+	RunConvertWildcardPatternToGoRegexp(`folder (copy)/**.go`, `folder \(copy\)/.+\.go`)
+
+	// Test ?
+	RunConvertWildcardPatternToGoRegexp(`words-beginning-with-?.txt`, `words-beginning-with-.\.txt`)
+	RunConvertWildcardPatternToGoRegexp(`words beginning with ??.txt`, `words beginning with ..\.txt`)
+
+	// Test [seq]
+	RunConvertWildcardPatternToGoRegexp(`hexadecimal-ids/[a-f0-9]/document`, `hexadecimal-ids/[a-f0-9]/document`)
+
+	// Test [!seq]
+	RunConvertWildcardPatternToGoRegexp(`names-not-beginning-with-[!A-G]`, `names-not-beginning-with-[^A-G]`)
+
+	// Test {s1,s2,s3}
+	RunConvertWildcardPatternToGoRegexp(`animals/{aardvark,bunny}/pictures`, `animals/(aardvark|bunny)/pictures`)
+	RunConvertWildcardPatternToGoRegexp(`animals/{aardvark,bunny,cheetah,donkey}/pictures`, `animals/(aardvark|bunny|cheetah|donkey)/pictures`)
+
+	// Test {num1..num2} (this is not yet fully supported)
+	RunConvertWildcardPatternToGoRegexp(`photos/{-500..999}.jpg`, `photos/[-0-9]+\.jpg`)
+
+	// Test everything together.
+	RunConvertWildcardPatternToGoRegexp(`*/**/[a-z]/{photos,videos}/{0..5}.*`, `[^/\\]+/.+/[a-z]/(photos|videos)/[-0-9]+\.[^/\\]+`)
+}