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Feature: Implement merge_headers

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Implement and document `merge_headers`
for all other ESPs that can support it. (See #371
for base and Amazon SES implementation.)

Closes #374
This commit is contained in:
Mike Edmunds
2024-06-20 15:31:58 -07:00
committed by GitHub
parent 6e696b8566
commit 0776b12331
35 changed files with 754 additions and 40 deletions
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52
tests/test_sparkpost_backend.py
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@@ -605,6 +605,58 @@ class SparkPostBackendAnymailFeatureTests(SparkPostBackendMockAPITestCase):
)
self.assertEqual(data["metadata"], {"notification_batch": "zx912"})
def test_merge_headers(self):
self.set_mock_result(accepted=2)
self.message.to = ["alice@example.com", "Bob <bob@example.com>"]
self.message.extra_headers = {
"X-Custom-1": "custom 1",
"X-Custom-2": "custom 2 (default)",
}
self.message.merge_headers = {
"alice@example.com": {
"X-Custom-2": "custom 2 alice",
"X-Custom-3": "custom 3 alice",
},
"bob@example.com": {"X-Custom-2": "custom 2 bob"},
}
self.message.send()
data = self.get_api_call_json()
recipients = data["recipients"]
self.assertEqual(len(recipients), 2)
self.assertEqual(recipients[0]["address"]["email"], "alice@example.com")
self.assertEqual(
recipients[0]["substitution_data"],
{
"Header__X_Custom_2": "custom 2 alice",
"Header__X_Custom_3": "custom 3 alice",
},
)
self.assertEqual(recipients[1]["address"]["email"], "bob@example.com")
self.assertEqual(
recipients[1]["substitution_data"],
{
"Header__X_Custom_2": "custom 2 bob",
},
)
# Indirect merge_headers through template substitutions:
self.assertEqual(
data["content"]["headers"],
{
"X-Custom-1": "custom 1", # (not a merge_header, value unchanged)
"X-Custom-2": "{{Header__X_Custom_2}}",
"X-Custom-3": "{{Header__X_Custom_3}}",
},
)
# Defaults for merge_headers in global substitution_data:
self.assertEqual(
data["substitution_data"],
{
"Header__X_Custom_2": "custom 2 (default)",
# No default specified for X-Custom-3; SparkPost will use empty string
},
)
def test_default_omits_options(self):
"""Make sure by default we don't send any ESP-specific options.