Migrate io-tests from bash to pytest

Authored-by: monacoremo <monacoremo>

.travis.yml

@@ -87,6 +87,8 @@ jobs:
           update: true
           packages:
             - postgresql-12
+            - python3
+            - python3-pip
       cache:
         yarn: true
         timeout: 1000
@@ -107,17 +109,18 @@ jobs:
         fi
         travis_wait stack --no-terminal setup
         travis_wait stack --no-terminal install hpc
+        pip3 install pytest pyyaml requests requests-unixsocket pyjwt 
       script: |
         travis_wait 50 stack --no-terminal build --fast -j1 --coverage
         travis_wait 50 stack --no-terminal build --fast -j1 --coverage --test --no-run-tests
         test/with_tmp_db stack --no-terminal test --coverage
-        test/with_tmp_db stack --no-terminal exec test/io-tests.sh
+        test/with_tmp_db stack --no-terminal exec -- pytest -v test/io-tests
       after_script: |
         export _HPC_DIR=$(stack path --local-hpc-root)
         export _MIX_DIR=$(stack path --dist-dir)
         export _PKG_NAME=$(stack exec -- ghc-pkg field postgrest key --simple-output)
         # merge the results from `stack test` and the io tests and exclude Paths_postgrest
-        stack --no-terminal exec hpc -- sum --union --exclude=Paths_postgrest --output=/tmp/all.tix $_HPC_DIR/combined/all/all.tix test/io-tests/postgrest.tix
+        stack --no-terminal exec hpc -- sum --union --exclude=Paths_postgrest --output=/tmp/all.tix $_HPC_DIR/combined/all/all.tix postgrest.tix
         # fix a bug in stack-hpc-coveralls
         mv $_MIX_DIR/hpc/Main.mix $_MIX_DIR/hpc/$_PKG_NAME/Main.mix
         mv $_MIX_DIR/hpc/UnixSocket.mix $_MIX_DIR/hpc/$_PKG_NAME/UnixSocket.mix