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123 lines
4.1 KiB
Python
123 lines
4.1 KiB
Python
import time
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from logging import info
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from fixtures.metrics import parse_metrics
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from fixtures.neon_fixtures import NeonEnv
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def test_installed_extensions(neon_simple_env: NeonEnv):
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"""basic test for the endpoint that returns the list of installed extensions"""
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env = neon_simple_env
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env.create_branch("test_installed_extensions")
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endpoint = env.endpoints.create_start("test_installed_extensions")
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endpoint.safe_psql("CREATE DATABASE test_installed_extensions")
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endpoint.safe_psql("CREATE DATABASE test_installed_extensions_2")
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client = endpoint.http_client()
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res = client.installed_extensions()
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info("Extensions list: %s", res)
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info("Extensions: %s", res["extensions"])
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# 'plpgsql' is a default extension that is always installed.
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assert any(
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ext["extname"] == "plpgsql" and ext["versions"] == ["1.0"] for ext in res["extensions"]
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), "The 'plpgsql' extension is missing"
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# check that the neon_test_utils extension is not installed
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assert not any(
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ext["extname"] == "neon_test_utils" for ext in res["extensions"]
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), "The 'neon_test_utils' extension is installed"
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pg_conn = endpoint.connect(dbname="test_installed_extensions")
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with pg_conn.cursor() as cur:
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cur.execute("CREATE EXTENSION neon_test_utils")
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cur.execute(
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"SELECT default_version FROM pg_available_extensions WHERE name = 'neon_test_utils'"
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)
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res = cur.fetchone()
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neon_test_utils_version = res[0]
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with pg_conn.cursor() as cur:
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cur.execute("CREATE EXTENSION neon version '1.1'")
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pg_conn_2 = endpoint.connect(dbname="test_installed_extensions_2")
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with pg_conn_2.cursor() as cur:
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cur.execute("CREATE EXTENSION neon version '1.2'")
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res = client.installed_extensions()
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info("Extensions list: %s", res)
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info("Extensions: %s", res["extensions"])
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# check that the neon_test_utils extension is installed only in 1 database
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# and has the expected version
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assert any(
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ext["extname"] == "neon_test_utils"
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and ext["versions"] == [neon_test_utils_version]
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and ext["n_databases"] == 1
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for ext in res["extensions"]
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)
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# check that the plpgsql extension is installed in all databases
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# this is a default extension that is always installed
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assert any(ext["extname"] == "plpgsql" and ext["n_databases"] == 4 for ext in res["extensions"])
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# check that the neon extension is installed and has expected versions
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for ext in res["extensions"]:
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if ext["extname"] == "neon":
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assert ext["n_databases"] == 2
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ext["versions"].sort()
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assert ext["versions"] == ["1.1", "1.2"]
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with pg_conn.cursor() as cur:
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cur.execute("ALTER EXTENSION neon UPDATE TO '1.3'")
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res = client.installed_extensions()
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info("Extensions list: %s", res)
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info("Extensions: %s", res["extensions"])
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# check that the neon_test_utils extension is updated
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for ext in res["extensions"]:
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if ext["extname"] == "neon":
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assert ext["n_databases"] == 2
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ext["versions"].sort()
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assert ext["versions"] == ["1.2", "1.3"]
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# check that /metrics endpoint is available
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# ensure that we see the metric before and after restart
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res = client.metrics()
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info("Metrics: %s", res)
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m = parse_metrics(res)
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neon_m = m.query_all("installed_extensions", {"extension_name": "neon", "versions": "1.2,1.3"})
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assert len(neon_m) == 1
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for sample in neon_m:
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assert sample.value == 2
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endpoint.stop()
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endpoint.start()
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timeout = 5
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while timeout > 0:
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try:
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res = client.metrics()
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timeout = -1
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except Exception as e:
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info("failed to get metrics, assume they are not collected yet: %s", e)
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time.sleep(1)
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timeout -= 1
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continue
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info("After restart metrics: %s", res)
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m = parse_metrics(res)
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neon_m = m.query_all(
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"installed_extensions", {"extension_name": "neon", "versions": "1.2,1.3"}
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)
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assert len(neon_m) == 1
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for sample in neon_m:
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assert sample.value == 2
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