mirror of
https://github.com/matrix-org/dendrite
synced 2024-12-15 07:42:58 +00:00
11d9b9db0e
This removes most of the code used for polylith/API mode. This removes the `/api` internal endpoints entirely. Binary size change roughly 5%: ``` 51437560 Feb 13 10:15 dendrite-monolith-server # old 48759008 Feb 13 10:15 dendrite-monolith-server # new ```
78 lines
No EOL
3.7 KiB
Markdown
78 lines
No EOL
3.7 KiB
Markdown
---
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title: Coverage
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parent: Development
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permalink: /development/coverage
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---
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To generate a test coverage report for Sytest, a small patch needs to be applied to the Sytest repository to compile and use the instrumented binary:
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```patch
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diff --git a/lib/SyTest/Homeserver/Dendrite.pm b/lib/SyTest/Homeserver/Dendrite.pm
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index 8f0e209c..ad057e52 100644
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--- a/lib/SyTest/Homeserver/Dendrite.pm
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+++ b/lib/SyTest/Homeserver/Dendrite.pm
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@@ -337,7 +337,7 @@ sub _start_monolith
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$output->diag( "Starting monolith server" );
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my @command = (
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- $self->{bindir} . '/dendrite-monolith-server',
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+ $self->{bindir} . '/dendrite-monolith-server', '--test.coverprofile=' . $self->{hs_dir} . '/integrationcover.log', "DEVEL",
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'--config', $self->{paths}{config},
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'--http-bind-address', $self->{bind_host} . ':' . $self->unsecure_port,
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'--https-bind-address', $self->{bind_host} . ':' . $self->secure_port,
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diff --git a/scripts/dendrite_sytest.sh b/scripts/dendrite_sytest.sh
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index f009332b..7ea79869 100755
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--- a/scripts/dendrite_sytest.sh
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+++ b/scripts/dendrite_sytest.sh
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@@ -34,7 +34,8 @@ export GOBIN=/tmp/bin
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echo >&2 "--- Building dendrite from source"
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cd /src
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mkdir -p $GOBIN
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-go install -v ./cmd/dendrite-monolith-server
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+# go install -v ./cmd/dendrite-monolith-server
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+go test -c -cover -covermode=atomic -o $GOBIN/dendrite-monolith-server -coverpkg "github.com/matrix-org/..." ./cmd/dendrite-monolith-server
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go install -v ./cmd/generate-keys
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cd -
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```
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Then run Sytest. This will generate a new file `integrationcover.log` in each server's directory e.g `server-0/integrationcover.log`. To parse it,
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ensure your working directory is under the Dendrite repository then run:
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```bash
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go tool cover -func=/path/to/server-0/integrationcover.log
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```
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which will produce an output like:
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```
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...
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github.com/matrix-org/util/json.go:83: NewJSONRequestHandler 100.0%
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github.com/matrix-org/util/json.go:90: Protect 57.1%
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github.com/matrix-org/util/json.go:110: RequestWithLogging 100.0%
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github.com/matrix-org/util/json.go:132: MakeJSONAPI 70.0%
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github.com/matrix-org/util/json.go:151: respond 61.5%
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github.com/matrix-org/util/json.go:180: WithCORSOptions 0.0%
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github.com/matrix-org/util/json.go:191: SetCORSHeaders 100.0%
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github.com/matrix-org/util/json.go:202: RandomString 100.0%
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github.com/matrix-org/util/json.go:210: init 100.0%
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github.com/matrix-org/util/unique.go:13: Unique 91.7%
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github.com/matrix-org/util/unique.go:48: SortAndUnique 100.0%
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github.com/matrix-org/util/unique.go:55: UniqueStrings 100.0%
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total: (statements) 53.7%
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```
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The total coverage for this run is the last line at the bottom. However, this value is misleading because Dendrite can run in many different configurations,
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which will never be tested in a single test run (e.g sqlite or postgres). To get a more accurate value, additional processing is required
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to remove packages which will never be tested and extension MSCs:
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```bash
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# These commands are all similar but change which package paths are _removed_ from the output.
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# For Postgres
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go tool cover -func=/path/to/server-0/integrationcover.log | grep 'github.com/matrix-org/dendrite' | grep -Ev 'inthttp|sqlite|setup/mscs|api_trace' > coverage.txt
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# For SQLite
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go tool cover -func=/path/to/server-0/integrationcover.log | grep 'github.com/matrix-org/dendrite' | grep -Ev 'inthttp|postgres|setup/mscs|api_trace' > coverage.txt
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```
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A total value can then be calculated using:
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```bash
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cat coverage.txt | awk -F '\t+' '{x = x + $3} END {print x/NR}'
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```
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We currently do not have a way to combine Sytest/Complement/Unit Tests into a single coverage report. |