setup: unpin jsonschema version (#9)

Changes:
 - use latest available jsonschema version,
 - add tests for using remote references

setup.cfg

@@ -15,7 +15,7 @@ license_files =
 py_modules = check_yamlschema
 python_requires = >=3.8
 install_requires =
-    jsonschema<4.18.0
+    jsonschema
     pyyaml
     requests
 

tests/referenced_person.json

@@ -0,0 +1,10 @@
+{
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "type": "object",
+    "properties": {
+        "reference": {
+          "$ref": "https://raw.githubusercontent.com/jmlrt/check-yamlschema/refs/heads/main/tests/person.json"
+        }
+    },
+    "additionalProperties": false
+  }

tests/test.yaml

@@ -25,3 +25,51 @@ favorite_food:
       tropical: bananas
       nuts: peanuts
       sweets: raisins
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/jmlrt/check-yamlschema/refs/heads/main/tests/food.json
+food: # Some YAML document
+  - vegetables: tomatoes
+  - fruits:
+      citrics: oranges
+      tropical: bananas
+      nuts: peanuts
+      sweets: raisins
+---
+# yaml-language-server: $schema=https://raw.githubusercontent.com/jmlrt/check-yamlschema/refs/heads/main/tests/person.json
+name: Martin Devloper # Some other YAML document
+age: 26
+hobbies:
+  - painting
+  - playing_music
+  - cooking
+programming_languages:
+  java: Intermediate
+  python: Advanced
+  javascript: Beginner
+favorite_food:
+  - vegetables: tomatoes
+  - fruits:
+      citrics: oranges
+      tropical: bananas
+      nuts: peanuts
+      sweets: raisins
+---
+# yaml-language-server: $schema=./referenced_person.json
+reference:
+  name: Martin Devloper # Some other YAML document
+  age: 26
+  hobbies:
+    - painting
+    - playing_music
+    - cooking
+  programming_languages:
+    java: Intermediate
+    python: Advanced
+    javascript: Beginner
+  favorite_food:
+    - vegetables: tomatoes
+    - fruits:
+        citrics: oranges
+        tropical: bananas
+        nuts: peanuts
+        sweets: raisins