Uploaded Test files

venv/Lib/site-packages/notebook/services/kernelspecs/tests/test_kernelspecs_api.py

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+# coding: utf-8
+"""Test the kernel specs webservice API."""
+
+import errno
+import io
+import json
+import os
+import shutil
+
+pjoin = os.path.join
+
+import requests
+
+from jupyter_client.kernelspec import NATIVE_KERNEL_NAME
+from notebook.utils import url_path_join, url_escape
+from notebook.tests.launchnotebook import NotebookTestBase, assert_http_error
+
+# Copied from jupyter_client.tests.test_kernelspec so updating that doesn't
+# break these tests
+sample_kernel_json = {'argv':['cat', '{connection_file}'],
+                      'display_name':'Test kernel',
+                     }
+
+some_resource = u"The very model of a modern major general"
+
+
+class KernelSpecAPI(object):
+    """Wrapper for notebook API calls."""
+    def __init__(self, request):
+        self.request = request
+
+    def _req(self, verb, path, body=None):
+        response = self.request(verb,
+                path,
+                data=body,
+        )
+        response.raise_for_status()
+        return response
+
+    def list(self):
+        return self._req('GET', 'api/kernelspecs')
+
+    def kernel_spec_info(self, name):
+        return self._req('GET', url_path_join('api/kernelspecs', name))
+    
+    def kernel_resource(self, name, path):
+        return self._req('GET', url_path_join('kernelspecs', name, path))
+
+
+class APITest(NotebookTestBase):
+    """Test the kernelspec web service API"""
+    def setUp(self):
+        self.create_spec('sample')
+        self.create_spec('sample 2')
+        self.ks_api = KernelSpecAPI(self.request)
+
+    def create_spec(self, name):
+        sample_kernel_dir = pjoin(self.data_dir, 'kernels', name)
+        try:
+            os.makedirs(sample_kernel_dir)
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise
+        
+        with open(pjoin(sample_kernel_dir, 'kernel.json'), 'w') as f:
+            json.dump(sample_kernel_json, f)
+        
+        with io.open(pjoin(sample_kernel_dir, 'resource.txt'), 'w',
+                     encoding='utf-8') as f:
+            f.write(some_resource)
+
+    def test_list_kernelspecs_bad(self):
+        """Can list kernelspecs when one is invalid"""
+        bad_kernel_dir = pjoin(self.data_dir, 'kernels', 'bad')
+        try:
+            os.makedirs(bad_kernel_dir)
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise
+        
+        with open(pjoin(bad_kernel_dir, 'kernel.json'), 'w') as f:
+            f.write("garbage")
+        
+        model = self.ks_api.list().json()
+        assert isinstance(model, dict)
+        self.assertEqual(model['default'], NATIVE_KERNEL_NAME)
+        specs = model['kernelspecs']
+        assert isinstance(specs, dict)
+        # 2: the sample kernelspec created in setUp, and the native Python kernel
+        self.assertGreaterEqual(len(specs), 2)
+        
+        shutil.rmtree(bad_kernel_dir)
+    
+    def test_list_kernelspecs(self):
+        model = self.ks_api.list().json()
+        assert isinstance(model, dict)
+        self.assertEqual(model['default'], NATIVE_KERNEL_NAME)
+        specs = model['kernelspecs']
+        assert isinstance(specs, dict)
+
+        # 2: the sample kernelspec created in setUp, and the native Python kernel
+        self.assertGreaterEqual(len(specs), 2)
+
+        def is_sample_kernelspec(s):
+            return s['name'] == 'sample' and s['spec']['display_name'] == 'Test kernel'
+
+        def is_default_kernelspec(s):
+            return s['name'] == NATIVE_KERNEL_NAME and s['spec']['display_name'].startswith("Python")
+
+        assert any(is_sample_kernelspec(s) for s in specs.values()), specs
+        assert any(is_default_kernelspec(s) for s in specs.values()), specs
+
+    def test_get_kernelspec(self):
+        model = self.ks_api.kernel_spec_info('Sample').json()  # Case insensitive
+        self.assertEqual(model['name'].lower(), 'sample')
+        self.assertIsInstance(model['spec'], dict)
+        self.assertEqual(model['spec']['display_name'], 'Test kernel')
+        self.assertIsInstance(model['resources'], dict)
+
+    def test_get_kernelspec_spaces(self):
+        model = self.ks_api.kernel_spec_info('sample%202').json()
+        self.assertEqual(model['name'].lower(), 'sample 2')
+
+    def test_get_nonexistant_kernelspec(self):
+        with assert_http_error(404):
+            self.ks_api.kernel_spec_info('nonexistant')
+    
+    def test_get_kernel_resource_file(self):
+        res = self.ks_api.kernel_resource('sAmple', 'resource.txt')
+        self.assertEqual(res.text, some_resource)
+    
+    def test_get_nonexistant_resource(self):
+        with assert_http_error(404):
+            self.ks_api.kernel_resource('nonexistant', 'resource.txt')
+        
+        with assert_http_error(404):
+            self.ks_api.kernel_resource('sample', 'nonexistant.txt')