From 37dd5f1d27aa2675d068fb3e98d7fb10eb0654d5 Mon Sep 17 00:00:00 2001
From: Tomas Aparicio <tomas@aparicio.me>
Date: Mon, 6 Apr 2015 00:23:25 +0200
Subject: [PATCH] feat: add file helper

---
 file.go       | 20 ++++++++++++++++++++
 file_test.go  | 21 +++++++++++++++++++++
 image_test.go |  3 +--
 3 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 file.go
 create mode 100644 file_test.go

diff --git a/file.go b/file.go
new file mode 100644
index 0000000..4b2b652
--- /dev/null
+++ b/file.go
@@ -0,0 +1,20 @@
+package bimg
+
+import (
+	"io/ioutil"
+	"os"
+)
+
+func Read(path string) ([]byte, error) {
+	data, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+
+	buf, err := ioutil.ReadAll(data)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
diff --git a/file_test.go b/file_test.go
new file mode 100644
index 0000000..8ca2a41
--- /dev/null
+++ b/file_test.go
@@ -0,0 +1,21 @@
+package bimg
+
+import (
+	"testing"
+)
+
+func TestRead(t *testing.T) {
+	buf, err := Read("fixtures/test.jpg")
+
+	if err != nil {
+		t.Errorf("Cannot read the image: %#v", err)
+	}
+
+	if len(buf) == 0 {
+		t.Fatal("Empty buffer")
+	}
+
+	if DetermineImageType(buf) != JPEG {
+		t.Fatal("Image is not jpeg")
+	}
+}
diff --git a/image_test.go b/image_test.go
index 0d6789c..4872835 100644
--- a/image_test.go
+++ b/image_test.go
@@ -3,12 +3,11 @@ package bimg
 import (
 	"io/ioutil"
 	"os"
-	"path"
 	"testing"
 )
 
 func TestImageResize(t *testing.T) {
-	data, _ := os.Open(path.Join("fixtures/test.jpg"))
+	data, _ := os.Open("fixtures/test.jpg")
 	buf, err := ioutil.ReadAll(data)
 
 	image := NewImage(buf)