FIX-#1867: establish CI

.github/workflows/push.yml

@@ -1,103 +1,202 @@
 name: master
 on: push
 jobs:
+  prepare-cache:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: ["ubuntu-latest",  "windows-latest"]
+        python-version: ["3.6", "3.7", "3.8"]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+      - name: Cache pip if Ubuntu
+        if: startsWith(runner.os, 'Linux')
+        uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-pip-${{ github.run_id }}-${{ hashFiles('environment.yml') }}
+      - name: Cache pip if Windows
+        if: startsWith(runner.os, 'Windows')
+        uses: actions/cache@v1
+        with:
+          path: ~\AppData\Local\pip\Cache
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-pip-${{ github.run_id }}-${{ hashFiles('environment.yml') }}
+      - uses: goanpeca/setup-miniconda@v1.6.0
+        with:
+          python-version: ${{matrix.python-version}}
+          channel-priority: strict
+          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
+          auto-update-conda: true
+      - shell: bash -l {0}
+        run: pip install ray==0.8.6
+      - name: Conda environment
+        shell: bash -l {0}
+        run: |
+          conda info
+          conda list
+
   test-all:
+    needs: prepare-cache
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6.x", "3.7.x"]
+        python-version: ["3.6", "3.7", "3.8"]
         engine: ["python", "ray", "dask"]
         part: ["Reduction_A", "Reduction_B", "Binary", "MapMetadata", "UDF", "Default", "Window", "Indexing", "Iter", "JoinSort", 3]
     env:
       MODIN_ENGINE: ${{matrix.engine}}
       MODIN_MEMORY: 1000000000
     name: test (${{matrix.engine}}, part ${{matrix.part}}, python ${{matrix.python-version}})
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 1
-      - uses: actions/setup-python@v1
+      - name: Cache pip
+        uses: actions/cache@v1
         with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-pip-${{ github.run_id }}-${{ hashFiles('environment.yml') }}
+      - uses: goanpeca/setup-miniconda@v1.6.0
+        with:
+          activate-environment: modin
+          environment-file: environment.yml
           python-version: ${{matrix.python-version}}
-          architecture: "x64"
+          channel-priority: strict
+          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
+      - name: Conda environment
+        shell: bash -l {0}
+        run: |
+          conda info
+          conda list
       - name: Install HDF5
         if: matrix.part == 3
         run: sudo apt update && sudo apt install -y libhdf5-dev
-      - run: pip install -r requirements.txt
-      - run: bash run-tests.sh ${{matrix.engine}} -k "TestDataFrame${{matrix.part}}"
+      - shell: bash -l {0}
+        run: pytest modin/pandas/test/ -k "TestDataFrame${{matrix.part}}"
         if: matrix.part != 3
-      - run: python -m pytest modin/pandas/test/test_series.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_series.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_rolling.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_rolling.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_concat.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_concat.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_groupby.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_groupby.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_reshape.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_reshape.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_general.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_general.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_io.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_io.py
         if: matrix.part == 3
-      - run: python -m pytest modin/experimental/pandas/test/test_io_exp.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/experimental/pandas/test/test_io_exp.py
         if: matrix.part == 3
-      - run: bash <(curl -s https://codecov.io/bash)
+      - shell: bash -l {0}
+        run: bash <(curl -s https://codecov.io/bash)
+
   test-windows:
+    needs: prepare-cache
     runs-on: windows-latest
     strategy:
       matrix:
-        python-version: ["3.6.x", "3.7.x"]
+        python-version: ["3.6", "3.7", "3.8"]
         engine: ["ray", "dask"]
         part: ["Reduction_A", "Reduction_B", "Binary", "MapMetadata", "UDF", "Default", "Window", "Indexing", "Iter", "JoinSort", 3]
     env:
       MODIN_ENGINE: ${{matrix.engine}}
       MODIN_MEMORY: 1000000000
     name: test-windows
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 1
-      - uses: actions/setup-python@v1
+      - name: Cache pip
+        uses: actions/cache@v1
+        with:
+          path: ~\AppData\Local\pip\Cache
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-pip-${{ github.run_id }}-${{ hashFiles('environment.yml') }}
+      - uses: goanpeca/setup-miniconda@v1.6.0
         with:
+          activate-environment: modin
+          environment-file: environment.yml
           python-version: ${{matrix.python-version}}
-          architecture: "x64"
-      - run: pip install -r requirements.txt
-      - run: python -m pytest modin/pandas/test/test_dataframe.py::TestDataFrame${{matrix.part}}
+          channel-priority: strict
+          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
+          auto-update-conda: true
+      - name: Conda environment
+        shell: bash -l {0}
+        run: |
+          conda info
+          conda list
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_dataframe.py::TestDataFrame${{matrix.part}}
         if: matrix.part != 3
-      - run: python -m pytest modin/pandas/test/test_series.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_series.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_rolling.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_rolling.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_concat.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_concat.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_groupby.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_groupby.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_reshape.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_reshape.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_general.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_general.py
         if: matrix.part == 3
-      - run: python -m pytest modin/pandas/test/test_io.py
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_io.py
         if: matrix.part == 3
-      - run: choco install codecov
-      - run: codecov -f .\coverage.xml -t ${{secrets.CODECOV_TOKEN}}
+      - shell: bash -l {0}
+        run: choco install codecov
+      - shell: bash -l {0}
+        run: codecov -f ./coverage.xml
+
   test-pyarrow:
+    needs: prepare-cache
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.6.x", "3.7.x"]
+        python-version: ["3.6", "3.7", "3.8"]
     env:
       MODIN_BACKEND: pyarrow
       MODIN_EXPERIMENTAL: "True"
     name: test (pyarrow, python ${{matrix.python-version}})
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 1
-      - uses: actions/setup-python@v1
+      - name: Cache pip
+        uses: actions/cache@v1
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-python-${{ matrix.python-version }}-pip-${{ github.run_id }}-${{ hashFiles('environment.yml') }}
+      - uses: goanpeca/setup-miniconda@v1.6.0
         with:
+          activate-environment: modin
+          environment-file: environment.yml
           python-version: ${{matrix.python-version}}
-          architecture: "x64"
+          channel-priority: strict
+          use-only-tar-bz2: true # IMPORTANT: This needs to be set for caching to work properly!
+      - name: Conda environment
+        shell: bash -l {0}
+        run: |
+          conda info
+          conda list
       - run: sudo apt update && sudo apt install -y libhdf5-dev
-      - run: pip install -r requirements.txt
-      - run: python -m pytest modin/pandas/test/test_io.py::test_from_csv
+      - shell: bash -l {0}
+        run: python -m pytest modin/pandas/test/test_io.py::test_from_csv

environment.yml

@@ -0,0 +1,31 @@
+name: modin
+channels:
+  - conda-forge
+dependencies:
+  - pandas==1.0.5
+  - numpy
+  - pyarrow<0.17
+  - dask[complete]>=2.1.0,<=2.19.0
+  - distributed>=2.3.2,<=2.19.0
+  - xarray
+  - Jinja2
+  - pathlib
+  - scipy
+  - pip
+  - s3fs
+  - feather-format
+  - lxml
+  - openpyxl
+  - xlrd
+  - matplotlib<=3.2.2
+  - sqlalchemy
+  - pandas-gbq
+  - pytables
+  - msgpack-python
+  - psutil
+  - pytest
+  - pytest-cov
+  - pytest-xdist
+  - coverage<5.0
+  - pip:
+    - ray==0.8.6

modin/pandas/test/test_dataframe.py

@@ -2148,6 +2148,9 @@ def test_cov(self):
         pandas_result = pandas.DataFrame(data).cov()
         df_equals(modin_result, pandas_result)
 
+    @pytest.mark.skipif(
+        os.name == "nt", reason="AssertionError: numpy array are different",
+    )
     @pytest.mark.parametrize("data", test_data_values, ids=test_data_keys)
     def test_dot(self, data):
         modin_df = pd.DataFrame(data)
@@ -2194,6 +2197,9 @@ def test_dot(self, data):
         pandas_result = pandas.DataFrame([1]).dot(pandas_df.T)
         df_equals(modin_result, pandas_result)
 
+    @pytest.mark.skipif(
+        os.name == "nt", reason="AssertionError: numpy array are different",
+    )
     @pytest.mark.parametrize("data", test_data_values, ids=test_data_keys)
     def test_matmul(self, data):
         modin_df = pd.DataFrame(data)

requirements.txt

@@ -14,8 +14,6 @@ s3fs
 pytest
 coverage<5.0
 pytest-cov
-pytest-testmon
-pytest-custom_exit_code
 pytest-xdist
 feather-format
 lxml

requirements/df_test_requires.txt

@@ -2,7 +2,6 @@ pandas==1.0.5
 numpy
 psutil==5.6.6
 pytest
-pytest-testmon
 pytest-custom_exit_code
 pytest-xdist
 matplotlib

requirements/env_windows.yml

@@ -27,7 +27,6 @@ dependencies:
     - pytest
     - coverage<5.0
     - pytest-cov
-    - pytest-testmon
     - pytest-custom_exit_code
     - pytest-xdist
     - feather-format

requirements/windows_test_requires.txt

@@ -13,7 +13,6 @@ s3fs
 pytest
 coverage<5.0
 pytest-cov
-pytest-testmon
 pytest-custom_exit_code
 pytest-xdist
 feather-format