Add change test

Author: codingjoe

s3file/static/s3file/js/s3file.js

@@ -32,6 +32,12 @@ export class S3FileInput extends globalThis.HTMLInputElement {
   changeHandler () {
     this.keys = []
     this.upload = null
+    try {
+      this.form.removeEventListener('submit', this.submitHandler.bind(this))
+    } catch (error) {
+      console.debug(error)
+    }
+    this.form.addEventListener('submit', this.submitHandler.bind(this), { once: true })
   }
 
   /**

tests/test_forms.py

@@ -231,15 +231,6 @@ def test_file_update(
     def test_file_insert_submit_value(
         self, driver, live_server, upload_file, freeze_upload_folder
     ):
-        driver.get(live_server + self.create_url)
-        file_input = driver.find_element(By.XPATH, "//input[@name='file']")
-        file_input.send_keys(upload_file)
-        assert file_input.get_attribute("name") == "file"
-        save_button = driver.find_element(By.XPATH, "//input[@name='save']")
-        with wait_for_page_load(driver, timeout=10):
-            save_button.click()
-        assert "save" in driver.page_source
-
         driver.get(live_server + self.create_url)
         file_input = driver.find_element(By.XPATH, "//input[@name='file']")
         file_input.send_keys(upload_file)
@@ -266,6 +257,19 @@ def test_file_insert_submit_formaction(
         assert "foo" in driver.page_source
         assert "bar" in driver.page_source
 
+    @pytest.mark.selenium
+    def test_file_insert_change_event(
+        self, driver, live_server, upload_file, another_upload_file, freeze_upload_folder
+    ):
+        driver.get(live_server + self.create_url)
+        file_input = driver.find_element(By.XPATH, "//input[@name='file']")
+        file_input.send_keys(upload_file)
+        file_input.send_keys(another_upload_file)
+        save_button = driver.find_element(By.CSS_SELECTOR, "input[name=save]")
+        with wait_for_page_load(driver, timeout=10):
+            save_button.click()
+        assert "save" in driver.page_source
+
     @pytest.mark.selenium
     def test_multi_file(
         self,