Add an example test

Author: mdmintz

examples/test_show_file_choosers.py

@@ -0,0 +1,26 @@
+"""
+self.show_file_choosers() is used to show hidden file-upload fields.
+Verify that one can choose a file after the hidden input is visible.
+"""
+import os
+from seleniumbase import BaseCase
+
+
+class FileUpload(BaseCase):
+    def test_show_file_choosers(self):
+        self.open("https://imgbb.com/upload")
+        choose_file_selector = 'input[type="file"]'
+        uploaded_image = "#anywhere-upload-queue li.queue-item"
+        self.assert_element_not_visible(choose_file_selector)
+        self.show_file_choosers()
+        self.assert_element(choose_file_selector)
+        self.assert_attribute(choose_file_selector, "value", "")
+        self.assert_element_not_visible(uploaded_image)
+        dir_name = os.path.dirname(os.path.abspath(__file__))
+        my_file = "screenshot.png"
+        file_path = os.path.join(dir_name, "example_logs/%s" % my_file)
+        self.choose_file(choose_file_selector, file_path)
+        seen_path = "%s\\%s" % ("C:\\fakepath", my_file)
+        self.assert_attribute(choose_file_selector, "value", seen_path)
+        self.demo_mode = True
+        self.assert_element(uploaded_image)