From 7ff0c37bcab9bcdfdec0828f4c53b9dc5f37f653 Mon Sep 17 00:00:00 2001
From: Andrew Gallant <andrew@astral.sh>
Date: Wed, 12 Jun 2024 10:00:59 -0400
Subject: [PATCH] scenarios: add tests for Requires-Python

This tests the interaction between `Requires-Python` and marker
expressions like `python_version` and `python_full_version`. In both of
these tests, the `a` dependency should be completely ignored because its
corresponding marker expression will never evaluate to true.
---
 scenarios/fork/requires-python-full.toml | 22 ++++++++++++++++++++++
 scenarios/fork/requires-python.toml      | 19 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 scenarios/fork/requires-python-full.toml
 create mode 100644 scenarios/fork/requires-python.toml

diff --git a/scenarios/fork/requires-python-full.toml b/scenarios/fork/requires-python-full.toml
new file mode 100644
index 00000000..1394b30a
--- /dev/null
+++ b/scenarios/fork/requires-python-full.toml
@@ -0,0 +1,22 @@
+name = "fork-requires-python-full"
+description = '''
+This tests that a `Requires-Python` specifier will result in the
+exclusion of dependency specifications that cannot possibly satisfy it.
+
+In particular, this is tested via the `python_full_version` marker
+instead of the more common `python_version` marker.
+'''
+
+[resolver_options]
+universal = true
+
+[expected]
+satisfiable = false
+
+[root]
+requires_python = ">=3.10"
+requires = [
+  "a==1.0.0 ; python_full_version == '3.9b1'",
+]
+
+[packages.a.versions."1.0.0"]
diff --git a/scenarios/fork/requires-python.toml b/scenarios/fork/requires-python.toml
new file mode 100644
index 00000000..6ed03e9a
--- /dev/null
+++ b/scenarios/fork/requires-python.toml
@@ -0,0 +1,19 @@
+name = "fork-requires-python"
+description = '''
+This tests that a `Requires-Python` specifier will result in the
+exclusion of dependency specifications that cannot possibly satisfy it.
+'''
+
+[resolver_options]
+universal = true
+
+[expected]
+satisfiable = false
+
+[root]
+requires_python = ">=3.10"
+requires = [
+  "a==1.0.0 ; python_version == '3.9'",
+]
+
+[packages.a.versions."1.0.0"]