file: add `ReadFile`

1 files changed, 22 insertions, 0 deletions

diff --git a/file/file_test.go b/file/file_test.go
new file mode 100644
index 0000000..143b072
--- /dev/null
+++ b/file/file_test.go
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: ISC
+// Copyright © 2022 siddharth <s@ricketyspace.net>
+
+package file
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestReadFile(t *testing.T) {
+	expectedBS := []byte("42 is the answer.\n")
+	bs, err := ReadFile("testdata/life.txt")
+	if err != nil {
+		t.Errorf("read file: %v", err)
+		return
+	}
+	if !bytes.Equal(bs, expectedBS) {
+		t.Errorf("read content: '%s' != '%s'", bs, expectedBS)
+		return
+	}
+}