test: replace Makefile with test_examples, also integrate fast_scope_arty example

test/Makefile

@@ -1,11 +0,0 @@
-COREDIR = ../
-PYTHON = python3
-
-CMD = PYTHONPATH=$(COREDIR) $(PYTHON)
-
-examples:
-	cd ../examples && $(PYTHON) make.py -t simple -p de0nano -Ob run False build-bitstream
-	cd ../examples && $(PYTHON) make.py -t simple -p kc705 -Ob run False build-bitstream
-	cd ../examples && $(PYTHON) make.py -t core build-core
-
-all: examples

test/test_examples.py

@@ -0,0 +1,32 @@
+# This file is Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
+# License: BSD
+
+import unittest
+import os
+import subprocess
+
+from litescope.software.dump import *
+
+root_dir    = os.path.join(os.path.abspath(os.path.dirname(__file__)), "..")
+make_script = os.path.join(root_dir, "examples", "make.py")
+
+class TestExamples(unittest.TestCase):
+    def test_simple_de0nano(self):
+        os.system("rm -rf {}/build".format(root_dir))
+        os.system("python3 {} -t simple -p de0nano -Ob run False build-bitstream".format(make_script))
+        self.assertEqual(os.path.isfile("{}/build/litescopesoc_de0nano.v".format(root_dir)), True)
+
+    def test_simple_705(self):
+        os.system("rm -rf {}/build".format(root_dir))
+        os.system("python3 {} -t simple -p kc705 -Ob run False build-bitstream".format(make_script))
+        self.assertEqual(os.path.isfile("{}/build/litescopesoc_kc705.v".format(root_dir)), True)
+
+    def test_core(self):
+        os.system("rm -rf {}/build".format(root_dir))
+        os.system("python3 {} -t core build-core".format(make_script))
+        self.assertEqual(os.path.isfile("{}/build/litescope.v".format(root_dir)), True)
+
+    def test_fast_scope_arty(self):
+        os.system("rm -rf {}/build".format(root_dir))
+        os.system("python3 {}/examples/fast_scope_arty.py no-compile".format(root_dir))
+        self.assertEqual(os.path.isfile("{}/build/top.v".format(root_dir)), True)