Update page property by null

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Build
+name: Build and Test
 
 on:
   push:

src/endpoints/pages/tests.rs

@@ -130,15 +130,30 @@ fn test_create_request() {
     assert_eq!(result, actual.to_string())
 }
 
+#[test]
+fn test_update_null_request() {
+    let mut properties = BTreeMap::new();
+    properties.insert("Date".to_string(), None);
+
+    let request = UpdatePagePropertiesRequest {
+        properties: properties,
+        ..Default::default()
+    };
+
+    let result = serde_json::to_string_pretty(&request).unwrap();
+    let actual = include_str!("tests/update_null_request.json");
+    assert_eq!(result, actual.to_string())
+}
+
 #[test]
 fn test_update_request() {
     let mut properties = BTreeMap::new();
     properties.insert(
         "In stock".to_string(),
-        PageProperty::Checkbox {
+        Some(PageProperty::Checkbox {
             id: None,
             checkbox: true,
-        },
+        }),
     );
 
     let request = UpdatePagePropertiesRequest {

src/endpoints/pages/tests/update_null_request.json

@@ -0,0 +1,5 @@
+{
+  "properties": {
+    "Date": null
+  }
+}

src/endpoints/pages/update/request.rs

@@ -14,7 +14,7 @@ use crate::objects::{
 #[builder(setter(strip_option))]
 #[builder(default)]
 pub struct UpdatePagePropertiesRequest {
-    pub properties: BTreeMap<String, PageProperty>,
+    pub properties: BTreeMap<String, Option<PageProperty>>,
     pub archived: Option<bool>,
     pub icon: Option<Icon>,
     pub cover: Option<File>,