From cbe59dcdce03b34089ff90e776b5e5f5e333a279 Mon Sep 17 00:00:00 2001
From: Silvano Cerza <silvanocerza@gmail.com>
Date: Wed, 15 Jul 2020 18:43:39 +0200
Subject: [PATCH] [skip changelog] Simplified how integration tests are run

---
 .github/workflows/test.yaml |   2 +-
 Taskfile.yml                |   3 +-
 docs/CONTRIBUTING.md        |  33 +--
 poetry.lock                 | 432 ++++++++++++++++++++++++++++++++++++
 pyproject.toml              |  20 ++
 test/.flake8                |   3 -
 test/README.md              |  30 ++-
 test/requirements.in        |   9 -
 test/requirements.txt       |  29 ---
 9 files changed, 484 insertions(+), 77 deletions(-)
 create mode 100644 poetry.lock
 create mode 100644 pyproject.toml
 delete mode 100644 test/.flake8
 delete mode 100644 test/requirements.in
 delete mode 100644 test/requirements.txt

diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 94c7fe1ca04..0f22be6cd4e 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -73,7 +73,7 @@ jobs:
 
       - name: Run integration tests
         run: |
-          pip install -r test/requirements.txt
+          pip install poetry
           task test-integration
 
       - name: Send unit tests coverage to Codecov
diff --git a/Taskfile.yml b/Taskfile.yml
index d7b434a966f..3ee38d2005a 100755
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -84,7 +84,8 @@ tasks:
   test-integration:
     desc: Run integration tests only
     cmds:
-      - pytest test
+      - poetry install --no-root
+      - poetry run pytest test
 
   test-legacy:
     desc: Run tests for the `legacy` package
diff --git a/docs/CONTRIBUTING.md b/docs/CONTRIBUTING.md
index 3382141f172..296036a6503 100644
--- a/docs/CONTRIBUTING.md
+++ b/docs/CONTRIBUTING.md
@@ -85,6 +85,7 @@ see following paragraph):
 ```shell
 task test-integration
 ```
+
 ### Running only some tests
 
 By default, all tests from all go packages are run. To run only unit
@@ -136,43 +137,23 @@ your Operating System.
 
 Some dependencies need to be installed before running the tests and to avoid
 polluting your global Python environment with dependencies that might be only
-used by the Arduino CLI, you can use a [virtual environment][4]. There are many
-ways to manage virtual environments, for example you can use a productivity tool
-called [hatch][5]. First you need to install it (you might need to `sudo`
+used by the Arduino CLI, to do so we use [Poetry][poetry-website]. First you need to install it (you might need to `sudo`
 the following command):
 
 ```shell
-pip3 install --user hatch
+pip3 install --user poetry
 ```
 
-Then you can create a virtual environment to be used while working on Arduino
-CLI:
-
-```shell
-hatch env arduino-cli
-```
+For more installation options read the [official documentation][poetry-docs].
 
-At this point the virtual environment was created and you need to make it active
-every time you open a new terminal session with the following command:
-
-```shell
-hatch shell arduino-cli
-```
-
-From now on, every package installed by Python will be confined to the
-`arduino-cli` virtual environment, so you can proceed installing the
-dependencies required with:
-
-```shell
-pip install -r test/requirements.txt
-```
-
-If the last step was successful, you should be able to run the tests with:
+After Poetry has been installed you should be able to run the tests with:
 
 ```shell
 task test-integration
 ```
 
+This will automatically install the necessary dependencies, if not already installed, and run the integration tests automatically.
+
 ## Working on docs
 
 Documentation is provided to final users in form of static HTML content generated
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 00000000000..837adda5ef1
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,432 @@
+[[package]]
+category = "main"
+description = "Atomic file writes."
+marker = "sys_platform == \"win32\""
+name = "atomicwrites"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.4.0"
+
+[[package]]
+category = "main"
+description = "Classes Without Boilerplate"
+name = "attrs"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "19.3.0"
+
+[package.extras]
+azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "zope.interface"]
+tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+
+[[package]]
+category = "main"
+description = "Python package for providing Mozilla's CA Bundle."
+name = "certifi"
+optional = false
+python-versions = "*"
+version = "2020.6.20"
+
+[[package]]
+category = "main"
+description = "Universal encoding detector for Python 2 and 3"
+name = "chardet"
+optional = false
+python-versions = "*"
+version = "3.0.4"
+
+[[package]]
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+description = "Cross-platform colored terminal text."
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+version = "2.8"
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+
+[[package]]
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+description = "Python client for the Prometheus monitoring system."
+name = "prometheus-client"
+optional = false
+python-versions = "*"
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+
+[package.extras]
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+
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+
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+version = "3.4"
+
+[[package]]
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+description = "pytest: simple powerful testing with Python"
+name = "pytest"
+optional = false
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+
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+wcwidth = "*"
+
+[package.dependencies.importlib-metadata]
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+version = ">=0.12"
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+[package.dependencies.pathlib2]
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+[package.extras]
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+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
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+[[package]]
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+description = "py.test plugin to abort hanging tests"
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+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
+
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+name = "wcwidth"
+optional = false
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+version = "1.2.0"
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+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
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+six = [
+    {file = "six-1.15.0-py2.py3-none-any.whl", hash = "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"},
+    {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
+]
+urllib3 = [
+    {file = "urllib3-1.25.9-py2.py3-none-any.whl", hash = "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"},
+    {file = "urllib3-1.25.9.tar.gz", hash = "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527"},
+]
+wcwidth = [
+    {file = "wcwidth-0.2.5-py2.py3-none-any.whl", hash = "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784"},
+    {file = "wcwidth-0.2.5.tar.gz", hash = "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"},
+]
+zipp = [
+    {file = "zipp-1.2.0-py2.py3-none-any.whl", hash = "sha256:e0d9e63797e483a30d27e09fffd308c59a700d365ec34e93cc100844168bf921"},
+    {file = "zipp-1.2.0.tar.gz", hash = "sha256:c70410551488251b0fee67b460fb9a536af8d6f9f008ad10ac51f615b6a521b1"},
+]
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000000..0f46dfc1ae9
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,20 @@
+[tool.poetry]
+name = "arduino-cli"
+version = "0.0.0"
+description = "Project used to run integration tests for the Arduino CLI"
+authors = []
+
+[tool.poetry.dependencies]
+python = "^3.5"
+pytest = "5.3.4"
+simplejson = "3.17.0"
+semver = "2.9.0"
+pyserial = "3.4"
+pyyaml = "5.3"
+prometheus-client = "0.7.1"
+requests = "2.22.0"
+pytest-timeout = "1.3.4"
+invoke = "1.4.1"
+
+[tool.flake8]
+max-line-length = 120
diff --git a/test/.flake8 b/test/.flake8
deleted file mode 100644
index 9a6c1b1bf2d..00000000000
--- a/test/.flake8
+++ /dev/null
@@ -1,3 +0,0 @@
-[flake8]
-exclude = venv
-max-line-length = 120
diff --git a/test/README.md b/test/README.md
index 53f798c3ffc..3151e07f451 100644
--- a/test/README.md
+++ b/test/README.md
@@ -7,31 +7,45 @@ and its output from a pure user point of view.
 
 See also [Contributing][0].
 
+To run the integration tests you must install [Poetry][poetry-website].
+
 ```shell
-cd test
-virtualenv --python=python3 venv
-source venv/bin/activate
-pip install -r requirements.txt
+pip3 install --user poetry
 ```
 
+For more installation options read the [official documentation][poetry-docs].
+
 ## Running tests
 
-To run all the tests:
+To run all the tests from the project's root folder:
 
 ```shell
-pytest
+task test-integration
 ```
 
-To run specific modules:
+This will create and install all necessary dependencies if not already existing and then run integrations tests.
+
+To run specific modules you must run `pytest` from the virtual environment created by Poetry.
+If dependencies have not already been installed first run `poetry install`.
 
 ```shell
-pytest test_lib.py
+poetry run pytest test/test_lib.py
 ```
 
 To run very specific test functions:
 
 ```shell
+poetry run pytest test/test_lib.py::test_list
+```
+
+You can avoid writing the `poetry run` prefix each time by creating a new shell inside the virtual environment:
+
+```shell
+poetry shell
+pytest test_lib.py
 pytest test_lib.py::test_list
 ```
 
 [0]: ../docs/CONTRIBUTING.md
+[poetry-website]: https://python-poetry.org/
+[poetry-docs]: https://python-poetry.org/docs/
diff --git a/test/requirements.in b/test/requirements.in
deleted file mode 100644
index 933d0c66c3f..00000000000
--- a/test/requirements.in
+++ /dev/null
@@ -1,9 +0,0 @@
-pytest==5.3.4
-simplejson==3.17.0
-semver==2.9.0
-pyserial==3.4
-pyyaml==5.3
-prometheus-client==0.7.1
-requests==2.22.0
-pytest-timeout==1.3.4
-invoke==1.4.1
diff --git a/test/requirements.txt b/test/requirements.txt
deleted file mode 100644
index 2f7a94ed616..00000000000
--- a/test/requirements.txt
+++ /dev/null
@@ -1,29 +0,0 @@
-#
-# This file is autogenerated by pip-compile
-# To update, run:
-#
-#    pip-compile test/requirements.in
-#
-attrs==19.1.0             # via pytest
-certifi==2019.11.28       # via requests
-chardet==3.0.4            # via requests
-idna==2.8                 # via requests
-importlib-metadata==1.5.0  # via pluggy, pytest
-invoke==1.4.1             # via -r test/requirements.in
-more-itertools==7.1.0     # via pytest
-packaging==19.0           # via pytest
-pluggy==0.13.1            # via pytest
-prometheus-client==0.7.1  # via -r test/requirements.in
-py==1.8.0                 # via pytest
-pyparsing==2.4.0          # via packaging
-pyserial==3.4             # via -r test/requirements.in
-pytest-timeout==1.3.4     # via -r test/requirements.in
-pytest==5.3.4             # via -r test/requirements.in, pytest-timeout
-pyyaml==5.3               # via -r test/requirements.in
-requests==2.22.0          # via -r test/requirements.in
-semver==2.9.0             # via -r test/requirements.in
-simplejson==3.17.0        # via -r test/requirements.in
-six==1.12.0               # via packaging
-urllib3==1.25.8           # via requests
-wcwidth==0.1.7            # via pytest
-zipp==2.1.0               # via importlib-metadata