Enable new feature in echarts-china-cities-js: 370 city contours (pye…

…charts#1111)

* ✨ introduce shape only geojson shapes

* 💚 fix broken unit test

* Fix: test

* Format: code

pyecharts/datasets/__init__.py

@@ -25,7 +25,8 @@ def register_url(asset_url: str):
             file_name = contents["FILE_MAP"][pinyin]
             files[name] = [file_name, "js"]
 
-        EXTRA[contents["GITHUB_URL"] + "/"] = files
+        js_file_prefix = f'{contents["GITHUB_URL"]}/{contents["JS_FOLDER"]}/'
+        EXTRA[js_file_prefix] = files
 
 
 def register_files(asset_files: dict):

test/fixtures/registry.json

@@ -0,0 +1,13 @@
+{
+    "JUPYTER_URL": "/nbextensions/echarts-china-cities-js",
+    "GITHUB_URL": "https://echarts-maps.github.io/echarts-china-cities-js",
+    "JUPYTER_ENTRY": "echarts-china-cities-js/index",
+    "JS_FOLDER": "js",
+    "GEOJSON_FOLDER": "geojson",
+    "PINYIN_MAP": {
+         "安庆": "an1_qing4"
+    },
+    "FILE_MAP": {
+        "an1_qing4": "shape-with-internal-borders/an1_hui1_an1_qing4"
+    }
+}

test/test_datasets.py

@@ -0,0 +1,24 @@
+import os
+from unittest.mock import patch
+
+from nose.tools import eq_
+
+from pyecharts.datasets import EXTRA, register_url
+
+
+@patch("pyecharts.datasets.urllib.request.urlopen")
+def test_register_url(fake):
+    current_path = os.path.dirname(__file__)
+    with open(
+        os.path.join(current_path, "fixtures", "registry.json"), encoding="utf8"
+    ) as f:
+        fake.return_value = f
+        register_url("fake_url")
+        eq_(
+            EXTRA,
+            {
+                "https://echarts-maps.github.io/echarts-china-cities-js/js/": {
+                    "安庆": ["shape-with-internal-borders/an1_hui1_an1_qing4", "js"]
+                }
+            },
+        )