update ci-testing.yml with on: cron (#572)

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/workflows/ci-testing.yml

@@ -1,7 +1,10 @@
 name: CI CPU testing
 
-# see: https://help.github.com/en/actions/reference/events-that-trigger-workflows
-on: [push, pull_request]
+on:  # https://help.github.com/en/actions/reference/events-that-trigger-workflows
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
 
 jobs:
   cpu-tests:
@@ -17,56 +20,56 @@ jobs:
     # Timeout: https://stackoverflow.com/a/59076067/4521646
     timeout-minutes: 50
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
-      with:
-        python-version: ${{ matrix.python-version }}
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
 
-    # Note: This uses an internal pip API and may not always work
-    # https://github.com/actions/cache/blob/master/examples.md#multiple-oss-in-a-workflow
-    - name: Get pip cache
-      id: pip-cache
-      run: |
-        python -c "from pip._internal.locations import USER_CACHE_DIR; print('::set-output name=dir::' + USER_CACHE_DIR)"
+      # Note: This uses an internal pip API and may not always work
+      # https://github.com/actions/cache/blob/master/examples.md#multiple-oss-in-a-workflow
+      - name: Get pip cache
+        id: pip-cache
+        run: |
+          python -c "from pip._internal.locations import USER_CACHE_DIR; print('::set-output name=dir::' + USER_CACHE_DIR)"
 
-    - name: Cache pip
-      uses: actions/cache@v1
-      with:
-        path: ${{ steps.pip-cache.outputs.dir }}
-        key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-${{ matrix.python-version }}-pip-
+      - name: Cache pip
+        uses: actions/cache@v1
+        with:
+          path: ${{ steps.pip-cache.outputs.dir }}
+          key: ${{ runner.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.python-version }}-pip-
 
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -qr requirements.txt -f https://download.pytorch.org/whl/cpu/torch_stable.html
-        pip install -q onnx
-        python --version
-        pip --version
-        pip list
-      shell: bash
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -qr requirements.txt -f https://download.pytorch.org/whl/cpu/torch_stable.html
+          pip install -q onnx
+          python --version
+          pip --version
+          pip list
+        shell: bash
 
-    - name: Download data
-      run: |
-        python -c "from utils.google_utils import * ; gdrive_download('1n_oKgR81BJtqk75b00eAjdv03qVCQn2f', 'coco128.zip')"
-        mv ./coco128 ../
+      - name: Download data
+        run: |
+          python -c "from utils.google_utils import * ; gdrive_download('1n_oKgR81BJtqk75b00eAjdv03qVCQn2f', 'coco128.zip')"
+          mv ./coco128 ../
 
-    - name: Tests workflow
-      run: |
-        export PYTHONPATH="$PWD"  # to run *.py. files in subdirectories
-        di=cpu # inference devices  # define device
-        
-        # train
-        python train.py --img 256 --batch 8 --weights weights/${{ matrix.model }}.pt --cfg models/${{ matrix.model }}.yaml --epochs 1 --device $di
-        # detect
-        python detect.py --weights weights/${{ matrix.model }}.pt --device $di
-        python detect.py --weights runs/exp0/weights/last.pt --device $di
-        # test
-        python test.py --img 256 --batch 8 --weights weights/${{ matrix.model }}.pt --device $di
-        python test.py --img 256 --batch 8 --weights runs/exp0/weights/last.pt --device $di 
-        
-        python models/yolo.py --cfg models/${{ matrix.model }}.yaml  # inspect
-        python models/export.py --img 256 --batch 1 --weights weights/${{ matrix.model }}.pt  # export
-      shell: bash
+      - name: Tests workflow
+        run: |
+          export PYTHONPATH="$PWD"  # to run *.py. files in subdirectories
+          di=cpu # inference devices  # define device
+
+          # train
+          python train.py --img 256 --batch 8 --weights weights/${{ matrix.model }}.pt --cfg models/${{ matrix.model }}.yaml --epochs 1 --device $di
+          # detect
+          python detect.py --weights weights/${{ matrix.model }}.pt --device $di
+          python detect.py --weights runs/exp0/weights/last.pt --device $di
+          # test
+          python test.py --img 256 --batch 8 --weights weights/${{ matrix.model }}.pt --device $di
+          python test.py --img 256 --batch 8 --weights runs/exp0/weights/last.pt --device $di
+
+          python models/yolo.py --cfg models/${{ matrix.model }}.yaml  # inspect
+          python models/export.py --img 256 --batch 1 --weights weights/${{ matrix.model }}.pt  # export
+        shell: bash