diff --git a/cmd/restic/include_test.go b/cmd/restic/include_test.go
new file mode 100644
index 000000000..751bfbb76
--- /dev/null
+++ b/cmd/restic/include_test.go
@@ -0,0 +1,59 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestIncludeByPattern(t *testing.T) {
+	var tests = []struct {
+		filename string
+		include  bool
+	}{
+		{filename: "/home/user/foo.go", include: true},
+		{filename: "/home/user/foo.c", include: false},
+		{filename: "/home/user/foobar", include: false},
+		{filename: "/home/user/foobar/x", include: false},
+		{filename: "/home/user/README", include: false},
+		{filename: "/home/user/README.md", include: true},
+	}
+
+	patterns := []string{"*.go", "README.md"}
+
+	for _, tc := range tests {
+		t.Run(tc.filename, func(t *testing.T) {
+			includeFunc := includeByPattern(patterns)
+			matched, _ := includeFunc(tc.filename)
+			if matched != tc.include {
+				t.Fatalf("wrong result for filename %v: want %v, got %v",
+					tc.filename, tc.include, matched)
+			}
+		})
+	}
+}
+
+func TestIncludeByInsensitivePattern(t *testing.T) {
+	var tests = []struct {
+		filename string
+		include  bool
+	}{
+		{filename: "/home/user/foo.GO", include: true},
+		{filename: "/home/user/foo.c", include: false},
+		{filename: "/home/user/foobar", include: false},
+		{filename: "/home/user/FOObar/x", include: false},
+		{filename: "/home/user/README", include: false},
+		{filename: "/home/user/readme.MD", include: true},
+	}
+
+	patterns := []string{"*.go", "README.md"}
+
+	for _, tc := range tests {
+		t.Run(tc.filename, func(t *testing.T) {
+			includeFunc := includeByInsensitivePattern(patterns)
+			matched, _ := includeFunc(tc.filename)
+			if matched != tc.include {
+				t.Fatalf("wrong result for filename %v: want %v, got %v",
+					tc.filename, tc.include, matched)
+			}
+		})
+	}
+}