Add FastAPI tests to Pydantic's CI tests (#1075)

fix #1041

* Add test-fastapi.sh script, after failing to create reusable variables in Make

* Add test-fastapi Make target

* Add fastapi dir for tests to gitignore

* Add fastapi tests to Travis

* Update test-fastapi to run the minimum (pytest)

* Move make test-fastapi to normal run, no "Without Deps"

* Install Pydantic without Cython for FastAPI tests

* Put FastAPI tests in its own Travis job

* Add PR changes description

* Remove coverage for FastAPI, it's not relevant for Pydantic

* Implement code review changes, refactor Makefile use and fastapi tests

* Add a bug intentionally, to test that FastAPI tests are using the current source

and make sure it actually breaks CI.

* Fix intentional bug. Confirmed it breaks Travis for FastAPI.

.gitignore

@@ -27,3 +27,4 @@ pydantic/*.so
 .auto-format
 /sandbox/
 /.ghtopdep_cache/
+/fastapi/

.travis.yml

@@ -93,6 +93,12 @@ jobs:
       - make test
     env:
       - 'DEPS=no'
+  
+  - stage: test
+    python: 3.7
+    name: 'Test FastAPI'
+    script:
+      - make test-fastapi
 
   - stage: test
     python: 3.7

Makefile

@@ -88,6 +88,7 @@ clean:
 	rm -rf site
 	rm -rf docs/_build
 	rm -rf docs/.changelog.md docs/.version.md docs/.tmp_schema_mappings.html
+	rm -rf fastapi/test.db
 
 .PHONY: docs
 docs:
@@ -108,3 +109,10 @@ publish: docs
 	zip -r site.zip site
 	@curl -H "Content-Type: application/zip" -H "Authorization: Bearer ${NETLIFY}" \
 	      --data-binary "@site.zip" https://api.netlify.com/api/v1/sites/pydantic-docs.netlify.com/deploys
+
+fastapi:
+	git clone https://github.com/tiangolo/fastapi.git
+
+.PHONY: test-fastapi
+test-fastapi: install fastapi
+	bash tests/test-fastapi.sh

changes/1075-tiangolo.md

@@ -0,0 +1 @@
+Run FastAPI tests during Pydantic's CI tests

tests/test-fastapi.sh

@@ -0,0 +1,14 @@
+#! /usr/bin/env bash
+
+set -x
+set -e
+
+cd fastapi
+git fetch --tags
+latest_tag_commit=$(git rev-list --tags --max-count=1)
+latest_tag=$(git describe --tags "${latest_tag_commit}")
+git checkout "${latest_tag}"
+pip install -U flit
+flit install
+
+PYTHONPATH=./docs/src pytest