Add test coverage (#1004)

.coveragerc

@@ -0,0 +1,30 @@
+[run]
+source = pynecone
+branch = true
+
+[report]
+show_missing = true
+fail_under = 80
+precision = 2
+
+# Regexes for lines to exclude from consideration
+exclude_also =
+    # Don't complain about missing debug-only code:
+    def __repr__
+    if self\.debug
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+
+    # Don't complain if non-runnable code isn't run:
+    if 0:
+    if __name__ == .__main__.:
+
+    # Don't complain about abstract methods, they aren't run:
+    @(abc\.)?abstractmethod
+
+ignore_errors = True
+
+[html]
+directory = coverage_html_report

.github/workflows/build.yml

@@ -47,8 +47,9 @@ jobs:
     - run: poetry install --no-interaction --no-root
       if: steps.cache-deps.outputs.cache-hit != 'true'
     - run: poetry install --no-interaction
-    - run: poetry run pytest tests
+    - run: poetry run pytest tests --cov --no-cov-on-fail --cov-report=
     - run: poetry run pyright pynecone tests
     - run: poetry run ruff check . --format github
     - run: find pynecone tests -name "*.py" -not -path pynecone/pc.py | xargs poetry run darglint
     - run: poetry run black --check pynecone tests
+    - run: poetry run coverage html

.gitignore

@@ -3,4 +3,5 @@
 dist/*
 examples/
 .idea
-.vscode
+.vscode
+.coverage

CONTRIBUTING.md

@@ -82,8 +82,9 @@ Once you solve a current issue or improvement to Pynecone, you can make a pr, an
 Before submitting, a pull request, ensure the following steps are taken and test passing.
 
 In your `pynecone` directory run make sure all the unit tests are still passing using the following command.
+This will fail if code coverage is below 80%.
 ``` bash
-poetry run pytest tests
+poetry run pytest tests --cov --no-cov-on-fail --cov-report= 
 ```
 Next make sure all the following tests pass. This ensures that every new change has proper documentation and type checking.
 ``` bash

poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.4.0 and should not be changed by hand.
+# This file is automatically @generated by Poetry and should not be changed by hand.
 
 [[package]]
 name = "anyio"
@@ -170,6 +170,73 @@ files = [
 [package.extras]
 test = ["flake8 (==3.7.8)", "hypothesis (==3.55.3)"]
 
+[[package]]
+name = "coverage"
+version = "7.2.5"
+description = "Code coverage measurement for Python"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "coverage-7.2.5-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:883123d0bbe1c136f76b56276074b0c79b5817dd4238097ffa64ac67257f4b6c"},
+    {file = "coverage-7.2.5-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:d2fbc2a127e857d2f8898aaabcc34c37771bf78a4d5e17d3e1f5c30cd0cbc62a"},
+    {file = "coverage-7.2.5-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5f3671662dc4b422b15776cdca89c041a6349b4864a43aa2350b6b0b03bbcc7f"},
+    {file = "coverage-7.2.5-cp310-cp310-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:780551e47d62095e088f251f5db428473c26db7829884323e56d9c0c3118791a"},
+    {file = "coverage-7.2.5-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:066b44897c493e0dcbc9e6a6d9f8bbb6607ef82367cf6810d387c09f0cd4fe9a"},
+    {file = "coverage-7.2.5-cp310-cp310-musllinux_1_1_aarch64.whl", hash = "sha256:b9a4ee55174b04f6af539218f9f8083140f61a46eabcaa4234f3c2a452c4ed11"},
+    {file = "coverage-7.2.5-cp310-cp310-musllinux_1_1_i686.whl", hash = "sha256:706ec567267c96717ab9363904d846ec009a48d5f832140b6ad08aad3791b1f5"},
+    {file = "coverage-7.2.5-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:ae453f655640157d76209f42c62c64c4d4f2c7f97256d3567e3b439bd5c9b06c"},
+    {file = "coverage-7.2.5-cp310-cp310-win32.whl", hash = "sha256:f81c9b4bd8aa747d417407a7f6f0b1469a43b36a85748145e144ac4e8d303cb5"},
+    {file = "coverage-7.2.5-cp310-cp310-win_amd64.whl", hash = "sha256:dc945064a8783b86fcce9a0a705abd7db2117d95e340df8a4333f00be5efb64c"},
+    {file = "coverage-7.2.5-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:40cc0f91c6cde033da493227797be2826cbf8f388eaa36a0271a97a332bfd7ce"},
+    {file = "coverage-7.2.5-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:a66e055254a26c82aead7ff420d9fa8dc2da10c82679ea850d8feebf11074d88"},
+    {file = "coverage-7.2.5-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:c10fbc8a64aa0f3ed136b0b086b6b577bc64d67d5581acd7cc129af52654384e"},
+    {file = "coverage-7.2.5-cp311-cp311-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:9a22cbb5ede6fade0482111fa7f01115ff04039795d7092ed0db43522431b4f2"},
+    {file = "coverage-7.2.5-cp311-cp311-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:292300f76440651529b8ceec283a9370532f4ecba9ad67d120617021bb5ef139"},
+    {file = "coverage-7.2.5-cp311-cp311-musllinux_1_1_aarch64.whl", hash = "sha256:7ff8f3fb38233035028dbc93715551d81eadc110199e14bbbfa01c5c4a43f8d8"},
+    {file = "coverage-7.2.5-cp311-cp311-musllinux_1_1_i686.whl", hash = "sha256:a08c7401d0b24e8c2982f4e307124b671c6736d40d1c39e09d7a8687bddf83ed"},
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+    {file = "coverage-7.2.5-cp311-cp311-win32.whl", hash = "sha256:30dcaf05adfa69c2a7b9f7dfd9f60bc8e36b282d7ed25c308ef9e114de7fc23b"},
+    {file = "coverage-7.2.5-cp311-cp311-win_amd64.whl", hash = "sha256:97072cc90f1009386c8a5b7de9d4fc1a9f91ba5ef2146c55c1f005e7b5c5e068"},
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+    {file = "coverage-7.2.5-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:828189fcdda99aae0d6bf718ea766b2e715eabc1868670a0a07bf8404bf58c33"},
+    {file = "coverage-7.2.5-cp37-cp37m-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:6e8a95f243d01ba572341c52f89f3acb98a3b6d1d5d830efba86033dd3687ade"},
+    {file = "coverage-7.2.5-cp37-cp37m-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:e8834e5f17d89e05697c3c043d3e58a8b19682bf365048837383abfe39adaed5"},
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+    {file = "coverage-7.2.5-cp39-cp39-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:f6f5cab2d7f0c12f8187a376cc6582c477d2df91d63f75341307fcdcb5d60303"},
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+    {file = "coverage-7.2.5-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:bd3b4b8175c1db502adf209d06136c000df4d245105c8839e9d0be71c94aefe1"},
+    {file = "coverage-7.2.5-cp39-cp39-win32.whl", hash = "sha256:ddc5a54edb653e9e215f75de377354e2455376f416c4378e1d43b08ec50acc31"},
+    {file = "coverage-7.2.5-cp39-cp39-win_amd64.whl", hash = "sha256:338aa9d9883aaaad53695cb14ccdeb36d4060485bb9388446330bef9c361c252"},
+    {file = "coverage-7.2.5-pp37.pp38.pp39-none-any.whl", hash = "sha256:8877d9b437b35a85c18e3c6499b23674684bf690f5d96c1006a1ef61f9fdf0f3"},
+    {file = "coverage-7.2.5.tar.gz", hash = "sha256:f99ef080288f09ffc687423b8d60978cf3a465d3f404a18d1a05474bd8575a47"},
+]
+
+[package.dependencies]
+tomli = {version = "*", optional = true, markers = "python_full_version <= \"3.11.0a6\" and extra == \"toml\""}
+
+[package.extras]
+toml = ["tomli"]
+
 [[package]]
 name = "darglint"
 version = "1.8.1"
@@ -994,6 +1061,25 @@ typing-extensions = {version = ">=3.7.2", markers = "python_version < \"3.8\""}
 docs = ["sphinx (>=5.3)", "sphinx-rtd-theme (>=1.0)"]
 testing = ["coverage (>=6.2)", "flaky (>=3.5.0)", "hypothesis (>=5.7.1)", "mypy (>=0.931)", "pytest-trio (>=0.7.0)"]
 
+[[package]]
+name = "pytest-cov"
+version = "4.0.0"
+description = "Pytest plugin for measuring coverage."
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "pytest-cov-4.0.0.tar.gz", hash = "sha256:996b79efde6433cdbd0088872dbc5fb3ed7fe1578b68cdbba634f14bb8dd0470"},
+    {file = "pytest_cov-4.0.0-py3-none-any.whl", hash = "sha256:2feb1b751d66a8bd934e5edfa2e961d11309dc37b73b0eabe73b5945fee20f6b"},
+]
+
+[package.dependencies]
+coverage = {version = ">=5.2.1", extras = ["toml"]}
+pytest = ">=4.6"
+
+[package.extras]
+testing = ["fields", "hunter", "process-tests", "pytest-xdist", "six", "virtualenv"]
+
 [[package]]
 name = "pytest-mock"
 version = "3.10.0"
@@ -1317,7 +1403,7 @@ files = [
 ]
 
 [package.dependencies]
-greenlet = {version = "!=0.4.17", markers = "python_version >= \"3\" and platform_machine == \"aarch64\" or python_version >= \"3\" and platform_machine == \"ppc64le\" or python_version >= \"3\" and platform_machine == \"x86_64\" or python_version >= \"3\" and platform_machine == \"amd64\" or python_version >= \"3\" and platform_machine == \"AMD64\" or python_version >= \"3\" and platform_machine == \"win32\" or python_version >= \"3\" and platform_machine == \"WIN32\""}
+greenlet = {version = "!=0.4.17", markers = "python_version >= \"3\" and (platform_machine == \"aarch64\" or platform_machine == \"ppc64le\" or platform_machine == \"x86_64\" or platform_machine == \"amd64\" or platform_machine == \"AMD64\" or platform_machine == \"win32\" or platform_machine == \"WIN32\")"}
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
@@ -1678,4 +1764,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.7"
-content-hash = "43e53d9fff649b6a939ec953411b8932e512600b5af3edc0cbbbbb6c5576168b"
+content-hash = "240266d18f85cbfe6dbc433f4725407bc228c633a09aa4efff98857b0ba02774"

pyproject.toml

@@ -49,6 +49,7 @@ pyright = "^1.1.229"
 darglint = "^1.8.1"
 toml = "^0.10.2"
 pytest-asyncio = "^0.20.1"
+pytest-cov = "^4.0.0"
 black = "^22.10.0"
 ruff = "^0.0.244"
 pandas = [