Add test case for editable mkPoetryEnv

tests/default.nix

@@ -36,6 +36,7 @@ builtins.removeAttrs
   canonical-module-names = callTest ./canonical-module-names { };
   wandb = callTest ./wandb { };
   dependency-environment = callTest ./dependency-environment { };
+  editable = callTest ./editable { };
 
   # Test building poetry
   inherit poetry;

tests/editable/default.nix

@@ -0,0 +1,24 @@
+{ lib, poetry2nix, python3, runCommand }:
+let
+  env = poetry2nix.mkPoetryEnv {
+    python = python3;
+    pyproject = ./pyproject.toml;
+    poetrylock = ./poetry.lock;
+
+    editablePackageSources = {
+      # Usually this would be trivial = ./src
+      # But we use this here to be able to test it
+      # in a derivation build
+      trivial = "/build/src";
+    };
+  };
+in
+runCommand "env-test" { } ''
+  cp -r --no-preserve=mode ${./src} src
+  echo 'print("Changed")' > src/trivial/__main__.py
+  if [[ $(${env}/bin/python -m trivial) != "Changed" ]]; then
+    echo "Package wasn't editable!"
+    exit 1
+  fi
+  touch $out
+'' // { inherit env; }

tests/editable/poetry.lock

@@ -0,0 +1,7 @@
+package = []
+
+[metadata]
+content-hash = "115cf985d932e9bf5f540555bbdd75decbb62cac81e399375fc19f6277f8c1d8"
+python-versions = "*"
+
+[metadata.files]

tests/editable/pyproject.toml

@@ -0,0 +1,12 @@
+[tool.poetry]
+name = "trivial"
+version = "0.1.0"
+description = "poetry2nix test"
+authors = ["Your Name <you@example.com>"]
+packages = [
+  { include = "trivial", from = "src" },
+]
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"

tests/editable/src/trivial/__main__.py

@@ -0,0 +1 @@
+print("Original")