Add tests for PythonVersionFromToml

services/python/python-version-from-toml.tester.js

@@ -0,0 +1,21 @@
+import Joi from 'joi'
+import { createServiceTester } from '../tester.js'
+export const t = await createServiceTester()
+
+const isCommaSeparatedPythonVersions = Joi.string().regex(
+  /^\s*(?:(?:===|!=|<=|>=|<|>)\s*)?((?:(?:\d+!)?(?:\d+(?:\.\d+)*))(?:(?:[abc]|rc)\d+)?(?:\.post\d+)?(?:\.dev\d+)?)(?:\s*,\s*(?:(?:===|!=|<=|>=|<|>)\s*)?((?:(?:\d+!)?(?:\d+(?:\.\d+)*))(?:(?:[abc]|rc)\d+)?(?:\.post\d+)?(?:\.dev\d+)?))*\s*$/,
+)
+
+t.create('python versions (valid)')
+  .get(
+    '/required-version-toml.json?tomlFilePath=https://raw.githubusercontent.com/numpy/numpy/main/pyproject.toml',
+  )
+  .expectBadge({ label: 'python', message: isCommaSeparatedPythonVersions })
+
+t.create(
+  'python versions - valid toml with missing python-requires field (invalid)',
+)
+  .get(
+    '/required-version-toml.json?tomlFilePath=https://raw.githubusercontent.com/django/django/main/pyproject.toml',
+  )
+  .expectBadge({ label: 'python', message: 'invalid response data' })