From a367ae69ae563dbfddae88eb9b8432ea2e4eb29d Mon Sep 17 00:00:00 2001
From: Lukas Chrostowski <lukasc@ece.ubc.ca>
Date: Mon, 11 Dec 2023 17:05:42 -0800
Subject: [PATCH] codecov, pytest for all PCells

---
 .github/workflows/run-layout-tests.yml        | 42 +++++++++++++++
 klayout/EBeam/__init__.py                     |  5 +-
 .../pymacros/tests/test_All_Library_Cells.py  | 53 +++++++++++++++++++
 klayout/EBeam/test.py                         |  5 --
 4 files changed, 98 insertions(+), 7 deletions(-)
 create mode 100644 .github/workflows/run-layout-tests.yml
 create mode 100644 klayout/EBeam/pymacros/tests/test_All_Library_Cells.py
 delete mode 100644 klayout/EBeam/test.py

diff --git a/.github/workflows/run-layout-tests.yml b/.github/workflows/run-layout-tests.yml
new file mode 100644
index 00000000..630941a9
--- /dev/null
+++ b/.github/workflows/run-layout-tests.yml
@@ -0,0 +1,42 @@
+name: Run SiEPIC-Tool Layout tests 
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - '**'
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - main
+      - master
+
+
+jobs:
+  test_layouts:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: checkout repo content
+        uses: actions/checkout@v3
+
+        # can also specify python version if needed
+      - name: setup python
+        uses: actions/setup-python@v4
+
+      - name: install python packages
+        run: |
+          python -m pip install --upgrade pip
+          pip install klayout numpy scipy pytest pytest-cov SiEPIC
+
+      - name: Test with pytest
+        run: pytest --cov=klayout/siepic_ebeam_pdk klayout/siepic_ebeam_pdk/pymacros/tests/tests_All_Library_Cells.py  --cov-report=xml
+  
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage.xml
+          fail_ci_if_error: true
+
diff --git a/klayout/EBeam/__init__.py b/klayout/EBeam/__init__.py
index 057a2e34..6e9d19ca 100644
--- a/klayout/EBeam/__init__.py
+++ b/klayout/EBeam/__init__.py
@@ -2,8 +2,9 @@
 
 # Load the KLayout technology, when running in Script mode
 import pya, os
-tech = pya.Technology().create_technology('EBeam')
-tech.load(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'EBeam.lyt'))
+if not pya.Technology().has_technology('EBeam'):
+    tech = pya.Technology().create_technology('EBeam')
+    tech.load(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'EBeam.lyt'))
 
 # then import all the technology modules
 from . import pymacros
diff --git a/klayout/EBeam/pymacros/tests/test_All_Library_Cells.py b/klayout/EBeam/pymacros/tests/test_All_Library_Cells.py
new file mode 100644
index 00000000..7b7461d5
--- /dev/null
+++ b/klayout/EBeam/pymacros/tests/test_All_Library_Cells.py
@@ -0,0 +1,53 @@
+# $description: Unit testing: all EBeam libraries' cells
+# $show-in-menu
+# $group-name: Examples_EBeam
+# $menu-path: siepic_menu.exlayout.end
+# Unit testing for all library layout fixed cells and PCells
+
+tech_name = 'EBeam'
+
+import pya # klayout
+import os, sys
+import SiEPIC
+from SiEPIC._globals import Python_Env
+print('KLayout running in mode: %s' % Python_Env)
+from SiEPIC.utils.layout import new_layout, floorplan
+from SiEPIC.utils import load_klayout_technology
+from SiEPIC.scripts import instantiate_all_library_cells, zoom_out, export_layout
+
+def test_all_library_cells():
+
+    if Python_Env == 'Script':
+        # Load the PDK from a folder, e.g, GitHub, when running externally from the KLayout Application
+        import sys
+        path = os.path.dirname(os.path.realpath(__file__))
+        sys.path.insert(0,os.path.abspath(os.path.join(path, '../../..')))
+        import siepic_ebeam_pdk
+
+
+    # Create a new layout
+    topcell, ly = new_layout(tech_name, "UnitTesting", GUI=True, overwrite = True)
+
+    # Instantiate all cells
+    instantiate_all_library_cells(topcell)
+
+    '''
+    # Save the layout
+    path_out = os.path.dirname(os.path.realpath(__file__))
+    ly.write(os.path.join(path_out,'a.gds'))
+    export_layout(topcell, path_out,'a_static',format='oas')
+    print('done')
+    '''
+
+    # Check if there are any errors
+    for cell_id in topcell.called_cells():
+        c = ly.cell(cell_id)
+        error_shapes = c.shapes(ly.error_layer())
+        for error in error_shapes.each():
+            raise Exception('Error in cell: %s, %s' % (c.name, error.text))
+        if c.is_empty() or c.bbox().area() == 0:
+            raise Exception('Empty cell: %s' % c.name)
+
+
+if __name__ == "__main__":
+    test_all_library_cells()
diff --git a/klayout/EBeam/test.py b/klayout/EBeam/test.py
deleted file mode 100644
index 7b7549a4..00000000
--- a/klayout/EBeam/test.py
+++ /dev/null
@@ -1,5 +0,0 @@
-print('test')
-
-def t():
-	print('test.t')
-