chore(ci): run tests on multiple operating systems (#10526)

Co-authored-by: Jan Piotrowski <piotrowski+github@gmail.com>
Co-authored-by: Pierre-Antoine Mills <pierreantoine.urvoy@gmail.com>

.eslintrc.js

@@ -76,6 +76,16 @@ module.exports = {
         'jest/no-export': 'off',
         '@typescript-eslint/no-empty-interface': 'off',
         '@typescript-eslint/consistent-type-imports': 'error',
+        // Allow the `testIf`/`describeIf` pattern.
+        // TODO: it's not exactly correct to have `describeIf` in `additionalTestBlockFunctions`,
+        // but it's better than disabling the rule completely for files that need `describeIf`.
+        // Ideally, a new option like `additionalDescribeBlockFunctions` should be implemented in the rule.
+        'jest/no-standalone-expect': [
+          'error',
+          {
+            additionalTestBlockFunctions: ['testIf', 'describeIf'],
+          },
+        ],
       },
     },
   ],

.github/workflows/install-mysql.ps1

@@ -0,0 +1,7 @@
+Invoke-Expression (New-Object System.Net.WebClient).DownloadString('https://get.scoop.sh')
+
+scoop install mysql
+
+$DefaultsFile = Join-Path (Resolve-Path ~).Path "scoop\apps\mysql\current\my.ini"
+mysqld --install MySQL --defaults-file="$DefaultsFile"
+sc start MySQL

.github/workflows/setup-mysql.sh

@@ -0,0 +1,16 @@
+#/bin/bash
+
+set -ex
+
+if [ "$RUNNER_OS" = "Windows" ]; then
+    pwsh .github/workflows/install-mysql.ps1
+fi
+
+if [ "$RUNNER_OS" = "macOS" ]; then
+    brew install mysql
+    brew services run mysql
+fi
+
+echo 'TEST_MYSQL_URI=mysql://root@localhost:3306/tests' >> $GITHUB_ENV
+echo 'TEST_MYSQL_URI_MIGRATE=mysql://root@localhost:3306/tests-migrate' >> $GITHUB_ENV
+echo 'TEST_MYSQL_SHADOWDB_URI_MIGRATE=mysql://root@localhost:3306/tests-migrate-shadowdb' >> $GITHUB_ENV

.github/workflows/setup-postgres.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+set -ex
+
+if [ "$RUNNER_OS" = "Windows" ]; then
+    export PGDATA="$RUNNER_TEMP\\pgdata"
+    export PGUSER="$USERNAME"
+    export PATH="$PATH:$(cygpath "$PGBIN")"
+    export PQ_LIB_DIR="$PGROOT\\lib"
+fi
+
+if [ "$RUNNER_OS" = "macOS" ]; then
+    export PGDATA="$RUNNER_TEMP/pgdata"
+    export PGUSER="$USER"
+fi
+
+pg_ctl init
+pg_ctl start
+createuser --createdb prisma
+createdb -O prisma tests
+psql -c "ALTER USER prisma PASSWORD 'prisma';" tests
+
+echo 'TEST_POSTGRES_URI=postgres://prisma:prisma@localhost:5432/tests' >> $GITHUB_ENV
+echo 'TEST_POSTGRES_URI_MIGRATE=postgres://prisma:prisma@localhost:5432/tests-migrate' >> $GITHUB_ENV
+echo 'TEST_POSTGRES_SHADOWDB_URI_MIGRATE=postgres://prisma:prisma@localhost:5432/tests-migrate-shadowdb' >> $GITHUB_ENV