Debugged inkycal_image

Still needs some work:
- input parameter validation (rotation, layout, colours)
- configuration of panel colors in Web UI

Added suggestion for less dynamic calling of module.generate_image()

inkycal/tests/inkycal_image_test.py

@@ -0,0 +1,36 @@
+import unittest
+from inkycal.modules import Inkyimage as Module
+
+tests = [
+{
+  "position": 1,
+  "name": "Inkyimage",
+  "config": {
+      "size": [528,880],
+      "path": "https://cdn.britannica.com/s:700x500/84/73184-004-E5A450B5/Sunflower-field-Fargo-North-Dakota.jpg",
+      "rotation": "0",
+      "layout": "fill",
+      "padding_x": 0,
+      "padding_y": 0,
+      "fontsize": 12,
+      "language": "en",
+      "colours": "bwr"
+  }
+},
+]
+
+class module_test(unittest.TestCase):
+  def test_get_config(self):
+    print('getting data for web-ui...', end = "")
+    Module.get_config()
+    print('OK')
+
+  def test_generate_image(self):
+    for test in tests:
+      print(f'test {tests.index(test)+1} generating image..')
+      module = Module(test)
+      module.generate_image()
+      print('OK')
+
+if __name__ == '__main__':
+  unittest.main()