Add test for rejectByPattern

cmd/restic/exclude_test.go

@@ -8,6 +8,33 @@ import (
 	"github.com/restic/restic/internal/test"
 )
 
+func TestRejectByPattern(t *testing.T) {
+	var tests = []struct {
+		filename string
+		reject   bool
+	}{
+		{filename: "/home/user/foo.go", reject: true},
+		{filename: "/home/user/foo.c", reject: false},
+		{filename: "/home/user/foobar", reject: false},
+		{filename: "/home/user/foobar/x", reject: true},
+		{filename: "/home/user/README", reject: false},
+		{filename: "/home/user/README.md", reject: true},
+	}
+
+	patterns := []string{"*.go", "README.md", "/home/user/foobar/*"}
+
+	for _, tc := range tests {
+		t.Run("", func(t *testing.T) {
+			reject := rejectByPattern(patterns)
+			res := reject(tc.filename, nil)
+			if res != tc.reject {
+				t.Fatalf("wrong result for filename %v: want %v, got %v",
+					tc.filename, tc.reject, res)
+			}
+		})
+	}
+}
+
 func TestIsExcludedByFile(t *testing.T) {
 	const (
 		tagFilename = "CACHEDIR.TAG"