poetry: add module

tests/modules/programs/poetry/custom-settings.nix

@@ -0,0 +1,27 @@
+{ pkgs, ... }:
+
+{
+  programs.poetry = {
+    enable = true;
+    settings = {
+      virtualenvs.create = true;
+      virtualenvs.in-project = true;
+    };
+  };
+
+  test.stubs.poetry = { };
+
+  nmt.script = let
+    expectedConfDir =
+      if pkgs.stdenv.isDarwin then "Library/Application Support" else ".config";
+    expectedConfigPath = "home-files/${expectedConfDir}/pypoetry/config.toml";
+    expectedConfigContent = pkgs.writeText "poetry.config-custom.expected" ''
+      [virtualenvs]
+      create = true
+      in-project = true
+    '';
+  in ''
+    assertFileExists "${expectedConfigPath}"
+    assertFileContent "${expectedConfigPath}" "${expectedConfigContent}"
+  '';
+}

tests/modules/programs/poetry/default-settings.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }:
+
+{
+  programs.poetry = { enable = true; };
+
+  test.stubs.poetry = { };
+
+  nmt.script = let
+    expectedConfDir =
+      if pkgs.stdenv.isDarwin then "Library/Application Support" else ".config";
+    expectedConfigPath = "home-files/${expectedConfDir}/pypoetry/config.toml";
+  in ''
+    assertPathNotExists "${expectedConfigPath}"
+  '';
+}

tests/modules/programs/poetry/default.nix

@@ -0,0 +1,4 @@
+{
+  poetry-default-settings = ./default-settings.nix;
+  poetry-custom-settings = ./custom-settings.nix;
+}