Improve storage wrapper tests by checking file content

storage/storage_test.go

@@ -9,11 +9,11 @@ import (
 )
 
 func TestFileSystemStorageProvider(t *testing.T) {
+	dummyData := []byte{0x13, 0x37}
+
 	t.Run("storeRaw method stores files in filesystem", func(t *testing.T) {
 		fileSystem := afero.NewMemMapFs()
 
-		dummyData := []byte{0x13, 0x37}
-
 		provider := FileSystemStorageProvider{
 			fileSystem: fileSystem,
 			basePath:   "/tmp/foo/bar",
@@ -23,12 +23,15 @@ func TestFileSystemStorageProvider(t *testing.T) {
 
 		exists, _ := afero.Exists(fileSystem, "/tmp/foo/bar/test/test.bin")
 		assert.True(t, exists)
+
+		content, _ := afero.ReadFile(fileSystem, "/tmp/foo/bar/test/test.bin")
+		assert.Equal(t, dummyData, content)
 	})
 
 	t.Run("storeExisting method stores files in filesystem", func(t *testing.T) {
 		fileSystem := afero.NewMemMapFs()
 
-		afero.WriteFile(fileSystem, "/tmp/existing.bin", []byte{0x13, 0x37}, os.ModePerm)
+		afero.WriteFile(fileSystem, "/tmp/existing.bin", dummyData, os.ModePerm)
 
 		provider := FileSystemStorageProvider{
 			fileSystem: fileSystem,
@@ -39,5 +42,8 @@ func TestFileSystemStorageProvider(t *testing.T) {
 
 		exists, _ := afero.Exists(fileSystem, "/tmp/foo/bar/test/test.bin")
 		assert.True(t, exists)
+
+		content, _ := afero.ReadFile(fileSystem, "/tmp/foo/bar/test/test.bin")
+		assert.Equal(t, dummyData, content)
 	})
 }