Validate email addresses in oversight form

atst/forms/task_order.py

@@ -10,7 +10,7 @@ from wtforms.fields import (
 )
 from wtforms.fields.html5 import DateField, TelField
 from wtforms.widgets import ListWidget, CheckboxInput
-from wtforms.validators import Length, Required, Optional
+from wtforms.validators import Email, Length, Required, Optional
 from flask_wtf.file import FileAllowed
 
 from atst.forms.validators import IsNumber, PhoneNumber, RequiredIf
@@ -132,7 +132,10 @@ class OversightForm(CacheableForm):
         translate("forms.task_order.oversight_first_name_label")
     )
     ko_last_name = StringField(translate("forms.task_order.oversight_last_name_label"))
-    ko_email = StringField(translate("forms.task_order.oversight_email_label"))
+    ko_email = StringField(
+        translate("forms.task_order.oversight_email_label"),
+        validators=[Optional(), Email()],
+    )
     ko_phone_number = TelField(
         translate("forms.task_order.oversight_phone_label"),
         validators=[Optional(), PhoneNumber()],
@@ -151,7 +154,10 @@ class OversightForm(CacheableForm):
         translate("forms.task_order.oversight_first_name_label")
     )
     cor_last_name = StringField(translate("forms.task_order.oversight_last_name_label"))
-    cor_email = StringField(translate("forms.task_order.oversight_email_label"))
+    cor_email = StringField(
+        translate("forms.task_order.oversight_email_label"),
+        validators=[Optional(), Email()],
+    )
     cor_phone_number = TelField(
         translate("forms.task_order.oversight_phone_label"),
         validators=[
@@ -176,7 +182,10 @@ class OversightForm(CacheableForm):
         translate("forms.task_order.oversight_first_name_label")
     )
     so_last_name = StringField(translate("forms.task_order.oversight_last_name_label"))
-    so_email = StringField(translate("forms.task_order.oversight_email_label"))
+    so_email = StringField(
+        translate("forms.task_order.oversight_email_label"),
+        validators=[Optional(), Email()],
+    )
     so_phone_number = TelField(
         translate("forms.task_order.oversight_phone_label"),
         validators=[Optional(), PhoneNumber()],

templates/components/user_info.html

@@ -13,7 +13,7 @@
 
 <div class='form-row'>
   <div class='form-col form-col--half'>
-    {{ TextInput(email, placeholder='name@mail.mil') }}
+    {{ TextInput(email, placeholder='name@mail.mil', validation='email') }}
   </div>
 
   <div class='form-col form-col--half'>

tests/routes/task_orders/test_new_task_order.py

@@ -122,6 +122,26 @@ def test_task_order_form_shows_errors(client, user_session):
     assert "Not a valid decimal" in body
 
 
+def test_task_order_validates_email_address(client, user_session):
+    to = task_order()
+    creator = to.creator
+    user_session(creator)
+
+    task_order_data = TaskOrderFactory.dictionary()
+    oversight_data = slice_data_for_section(task_order_data, "oversight")
+    oversight_data.update({"ko_email": "not an email"})
+
+    response = client.post(
+        url_for("task_orders.update", screen=3, task_order_id=to.id),
+        data=oversight_data,
+        follow_redirects=False,
+    )
+
+    body = response.data.decode()
+    assert "There were some errors" in body
+    assert "Invalid email" in body
+
+
 @pytest.fixture
 def task_order():
     user = UserFactory.create()