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basic integration test

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Signed-off-by: Paul van der Linden <mail@paultjuh.org>
This commit is contained in:
Paul van der Linden 2021-04-19 15:19:51 +02:00
parent ffa6782e41
commit bc97291103
2 changed files with 26 additions and 2 deletions
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11
README.md
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@ -285,3 +285,14 @@ GRANT SELECT ON postgres_exporter.pg_stat_statements TO postgres_exporter;
> ``` > ```
> DATA_SOURCE_NAME=postgresql://postgres_exporter:password@localhost:5432/postgres?sslmode=disable > DATA_SOURCE_NAME=postgresql://postgres_exporter:password@localhost:5432/postgres?sslmode=disable
> ``` > ```
## Running the tests
```
# Run the unit tests
make test
# Start the test database with docker
docker run -p 5432:5432 -e POSTGRES_DB=circle_test -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=test -d postgres
# Run the integration tests
DATA_SOURCE_NAME='postgresql://postgres:test@localhost:5432/circle_test?sslmode=disable' GOOPTS='-v -tags integration' make test
```

13
cmd/postgres_exporter/postgres_exporter_integration_test.go
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@ -162,3 +162,16 @@ func (s *IntegrationSuite) TestExtendQueriesDoesntCrash(c *C) {
// scrape the exporter and make sure it works // scrape the exporter and make sure it works
exporter.scrape(ch) exporter.scrape(ch)
} }
func (s *IntegrationSuite) TestAutoDiscoverDatabases(c *C) {
dsn := os.Getenv("DATA_SOURCE_NAME")
exporter := NewExporter(
strings.Split(dsn, ","),
)
c.Assert(exporter, NotNil)
dsns := exporter.discoverDatabaseDSNs()
c.Assert(len(dsns), Equals, 2)
}