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Add test cases for saved queries in the CLI.
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plypaul committed Oct 12, 2023
1 parent e9b9fe8 commit 94b9c1c
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Showing 6 changed files with 138 additions and 4 deletions.
98 changes: 98 additions & 0 deletions metricflow/test/cli/test_cli.py
Original file line number Diff line number Diff line change
@@ -1,12 +1,14 @@
from __future__ import annotations

import logging
import shutil
import textwrap
from contextlib import contextmanager
from pathlib import Path
from typing import Iterator

import pytest
from _pytest.fixtures import FixtureRequest
from dbt_semantic_interfaces.parsing.dir_to_model import (
parse_yaml_files_to_validation_ready_semantic_manifest,
)
Expand All @@ -25,7 +27,14 @@
)
from metricflow.protocols.sql_client import SqlEngine
from metricflow.test.fixtures.cli_fixtures import MetricFlowCliRunner
from metricflow.test.fixtures.setup_fixtures import MetricFlowTestSessionState
from metricflow.test.model.example_project_configuration import EXAMPLE_PROJECT_CONFIGURATION_YAML_CONFIG_FILE
from metricflow.test.snapshot_utils import assert_object_snapshot_equal

logger = logging.getLogger(__name__)


# TODO: Use snapshots to compare CLI output for all tests here.


def test_query(capsys: pytest.CaptureFixture, cli_runner: MetricFlowCliRunner) -> None: # noqa: D
Expand Down Expand Up @@ -144,3 +153,92 @@ def test_list_entities(capsys: pytest.CaptureFixture, cli_runner: MetricFlowCliR

assert "guest" in resp.output
assert "host" in resp.output


def test_saved_query( # noqa: D
request: FixtureRequest,
capsys: pytest.CaptureFixture,
mf_test_session_state: MetricFlowTestSessionState,
cli_runner: MetricFlowCliRunner,
) -> None:
# Disabling capsys to resolve error "ValueError: I/O operation on closed file". Better solution TBD.
with capsys.disabled():
resp = cli_runner.run(
query, args=["--saved-query", "p0_booking", "--order", "metric_time__day,listing__capacity_latest"]
)

assert resp.exit_code == 0

assert_object_snapshot_equal(
request=request, mf_test_session_state=mf_test_session_state, obj_id="cli_output", obj=resp.output
)


def test_saved_query_with_where( # noqa: D
request: FixtureRequest,
capsys: pytest.CaptureFixture,
mf_test_session_state: MetricFlowTestSessionState,
cli_runner: MetricFlowCliRunner,
) -> None:
# Disabling capsys to resolve error "ValueError: I/O operation on closed file". Better solution TBD.
with capsys.disabled():
resp = cli_runner.run(
query,
args=[
"--saved-query",
"p0_booking",
"--order",
"metric_time__day,listing__capacity_latest",
"--where",
"{{ Dimension('listing__capacity_latest') }} > 4",
],
)

assert resp.exit_code == 0

assert_object_snapshot_equal(
request=request, mf_test_session_state=mf_test_session_state, obj_id="cli_output", obj=resp.output
)


def test_saved_query_with_limit( # noqa: D
request: FixtureRequest,
capsys: pytest.CaptureFixture,
mf_test_session_state: MetricFlowTestSessionState,
cli_runner: MetricFlowCliRunner,
) -> None:
# Disabling capsys to resolve error "ValueError: I/O operation on closed file". Better solution TBD.
with capsys.disabled():
resp = cli_runner.run(
query,
args=[
"--saved-query",
"p0_booking",
"--order",
"metric_time__day,listing__capacity_latest",
"--limit",
"3",
],
)

assert resp.exit_code == 0

assert_object_snapshot_equal(
request=request, mf_test_session_state=mf_test_session_state, obj_id="cli_output", obj=resp.output
)


def test_saved_query_explain( # noqa: D
capsys: pytest.CaptureFixture,
mf_test_session_state: MetricFlowTestSessionState,
cli_runner: MetricFlowCliRunner,
) -> None:
# Disabling capsys to resolve error "ValueError: I/O operation on closed file". Better solution TBD.
with capsys.disabled():
resp = cli_runner.run(
query,
args=["--explain", "--saved-query", "p0_booking", "--order", "metric_time__day,listing__capacity_latest"],
)

# Currently difficult to compare explain output due to randomly generated IDs.
assert resp.exit_code == 0
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
---
saved_query:
name: p0_booking
description: Booking-related metrics that are of the highest priority.
metrics:
- bookings
- instant_bookings
group_bys:
- TimeDimension('metric_time', 'day')
- Dimension('listing__capacity_latest')
where:
- "{{ Dimension('listing__capacity_latest') }} > 3"
9 changes: 5 additions & 4 deletions metricflow/test/snapshot_utils.py
Original file line number Diff line number Diff line change
Expand Up @@ -167,14 +167,16 @@ def assert_snapshot_text_equal(
if incomparable_strings_replacement_function is not None:
snapshot_text = incomparable_strings_replacement_function(snapshot_text)

# Add a new line at the end of the file so that PRs don't show the "no newline" symbol on Github.
if len(snapshot_text) > 1 and snapshot_text[-1] != "\n":
snapshot_text = snapshot_text + "\n"

# If we are in overwrite mode, make a new plan:
if mf_test_session_state.overwrite_snapshots:
# Create parent directory for the plan text files.
os.makedirs(os.path.dirname(file_path), exist_ok=True)
with open(file_path, "w") as snapshot_text_file:
snapshot_text_file.write(snapshot_text)
# Add a new line at the end of the file so that PRSs don't show the "no newline" symbol on Github.
snapshot_text_file.write("\n")

# Throw an exception if the plan is not there.
if not os.path.exists(file_path):
Expand All @@ -198,8 +200,7 @@ def assert_snapshot_text_equal(

# Read the existing plan from the file and compare with the actual plan
with open(file_path, "r") as snapshot_text_file:
# Remove the newline that was added from above.
expected_snapshot_text = snapshot_text_file.read().rstrip()
expected_snapshot_text = snapshot_text_file.read()

if exclude_line_regex:
# Filter out lines that should be ignored.
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
| metric_time__day | listing__capacity_latest | bookings | instant_bookings |
|:-------------------|---------------------------:|-----------:|-------------------:|
| 2019-12-01 | 5 | 1 | 0 |
| 2019-12-18 | 4 | 4 | 2 |
| 2019-12-19 | 4 | 6 | 6 |
| 2019-12-19 | 5 | 2 | 0 |
| 2019-12-20 | 5 | 2 | 0 |
| 2020-01-01 | 4 | 2 | 1 |
| 2020-01-02 | 4 | 3 | 3 |
| 2020-01-02 | 5 | 1 | 0 |
| 2020-01-03 | 5 | 1 | 0 |
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
| metric_time__day | listing__capacity_latest | bookings | instant_bookings |
|:-------------------|---------------------------:|-----------:|-------------------:|
| 2019-12-01 | 5 | 1 | 0 |
| 2019-12-18 | 4 | 4 | 2 |
| 2019-12-19 | 4 | 6 | 6 |
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
| metric_time__day | listing__capacity_latest | bookings | instant_bookings |
|:-------------------|---------------------------:|-----------:|-------------------:|
| 2019-12-01 | 5 | 1 | 0 |
| 2019-12-19 | 5 | 2 | 0 |
| 2019-12-20 | 5 | 2 | 0 |
| 2020-01-02 | 5 | 1 | 0 |
| 2020-01-03 | 5 | 1 | 0 |

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