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Fix header-to-metadata if clause #11747

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Merged
mattklein123 merged 4 commits into from
Jun 30, 2020
Merged

Fix header-to-metadata if clause #11747

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808d885
Add a test case.
Jun 25, 2020
1e726b4
Fix if clause.
Jun 25, 2020
bdb6feb
Review feedback: give a value to the test header.
Jun 25, 2020
3209562
Merge branch 'master' into fix_htm_if_clause
Jun 26, 2020
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3 changes: 2 additions & 1 deletion source/extensions/filters/http/header_to_metadata/header_to_metadata_filter.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -210,7 +210,8 @@ void HeaderToMetadataFilter::writeHeaderToMetadata(Http::HeaderMap& headers,
if (proto_rule.remove()) {
headers.remove(header);
}
} else if (proto_rule.has_on_header_missing()) {
}
if (header_entry == nullptr && proto_rule.has_on_header_missing()) {
// Add metadata for the header missing case.
const auto& keyval = proto_rule.on_header_missing();

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21 changes: 21 additions & 0 deletions test/extensions/filters/http/header_to_metadata/header_to_metadata_filter_test.cc
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Expand Up @@ -522,6 +522,27 @@ TEST_F(HeaderToMetadataTest, RegexSubstitution) {
}
}

/**
* Missing case is not executed when header is present.
*/
TEST_F(HeaderToMetadataTest, NoMissingWhenHeaderIsPresent) {
const std::string config = R"EOF(
request_rules:
- header: x-version
on_header_missing:
metadata_namespace: envoy.lb
key: version
value: some_value
type: STRING
)EOF";
initializeFilter(config);
Http::TestRequestHeaderMapImpl headers{{"x-version", "19"}};

EXPECT_CALL(decoder_callbacks_, streamInfo()).WillRepeatedly(ReturnRef(req_info_));
EXPECT_CALL(req_info_, setDynamicMetadata(_, _)).Times(0);
EXPECT_EQ(Http::FilterHeadersStatus::Continue, filter_->decodeHeaders(headers, false));
}

} // namespace HeaderToMetadataFilter
} // namespace HttpFilters
} // namespace Extensions
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