File utils refactor and unittests

Create unit test for file utils
closes #25
closes #26

pcbdevice/utils/FileUtils.py

@@ -0,0 +1,30 @@
+import math
+
+class FileUtils:
+	@staticmethod
+	def pbmToCsv(pbmFile, dimensionLineIndex = 2):
+		completeFile = []
+		
+		file = open(pbmFile, 'r')
+		lines = file.readlines()
+		width, height = (int(val) for val in lines[dimensionLineIndex].split())
+		file.close()
+		
+		for line in lines[dimensionLineIndex + 1:]:
+			for val in line.split():
+				completeFile += [int(val)]
+		
+		matrix = [[0 for i in range(width)] for j in range(height)]
+		for index, value in enumerate(completeFile):
+			matrix[math.floor(index / width)][index % width] = value
+		
+		return matrix
+	
+	@staticmethod
+	def saveMatrixToFile(matrix, filePath):
+		with open(filePath, 'w') as f:
+			for x in matrix:
+				for y in x:
+					f.write('%s ' % y )
+				f.write('\n')
+			f.close()

pcbdevice/utils/TestUtils.py

@@ -0,0 +1,14 @@
+def readIntFile(filePath):
+	completeFile = []
+	file = open(filePath, 'r')
+	lines = file.readlines()
+	file.close()
+	
+	for line in lines:
+		tempArray = []
+		for val in line.split():
+			tempArray.append(int(val))
+			
+		completeFile.append(tempArray)
+	
+	return completeFile

pcbdevice/utils/pbmformator.py

@@ -1,24 +0,0 @@
-import math
-
-"""
-	Reformat the file receive by the binary to ascii converter to have matrix with the right width and height
-"""
-
-
-def formatPbm(pbmFile):
-	dimensionLineIndex = 2
-	completeFile = []
-	
-	lines = open(pbmFile, 'r').readlines()
-	width, height = (int(val) for val in lines[dimensionLineIndex].split())
-	
-	for line in lines[dimensionLineIndex+1:]:
-		for val in line.split():
-			completeFile += [int(val)]
-	
-	formattedFile = [[0 for i in range(width)] for j in range(height)]
-	for index, value in enumerate(completeFile):
-		formattedFile[math.floor(index/width)][index%width] = value
-	
-	return formattedFile
-

pcbdevice/utils/savetofile.py

@@ -1,11 +0,0 @@
-"""
-	Save a two dimension array in a file
-"""
-
-def matrixToFile(matrix, fileName):
-	with open(fileName, 'w') as f:
-		for x in matrix:
-			for y in x:
-				f.write('%s ' % y )
-			f.write('\n')
-