add circleci (#131)

* add circleci

* trigger ci

* configure python

* change py3.7 to py3.8

* install py3.8 first

* fix typo

.circleci/config.yml

@@ -0,0 +1,44 @@
+version: 2.1
+jobs:
+  build_cu102:
+    machine:
+      image: ubuntu-2004-cuda-11.4:202110-01
+      docker_layer_caching: true
+    resource_class: gpu.nvidia.small
+    steps:
+      - checkout
+      - run:
+          name: Configure Python
+          command: |
+            pyenv install 3.8.0
+            pyenv global 3.8.0
+      - run:
+          name: Upgrade setuptools and pip
+          command: python -m pip install --upgrade setuptools pip
+      - run:
+          name: Install PyTorch
+          command: python -m pip install torch==1.8.1+cu111 torchvision==0.9.1+cu111 -f https://download.pytorch.org/whl/torch_stable.html
+      - run:
+          name: Build and install
+          command: |
+            rm -rf .eggs
+            python setup.py check -m -s
+            python -m pip install -e .
+      - run:
+          name: Install dependencies for unit tests
+          command: |
+            python -m pip install -r requirements/tests.txt
+      - run:
+          name: Run unittests and generate coverage report
+          command: |
+            python -m coverage run --branch --source mim -m pytest tests/
+            python -m coverage xml
+            python -m coverage report -m
+workflows:
+  unit_tests:
+    jobs:
+      - hold:
+          type: approval
+      - build_cu102:
+          requires:
+            - hold