Add reporting unit tests

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2026-01-29 18:02:47 +00:00
parent 349663b4e1
commit 13a4fd16b3
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"""Unit tests for HTML renderer."""
from datetime import datetime
import pytest
from py_dvt_ate.data.models import TestResult, TestRun, TestStatus
from py_dvt_ate.reporting.exceptions import TemplateRenderError
from py_dvt_ate.reporting.models import ReportConfig, ReportData
from py_dvt_ate.reporting.renderers.html import HTMLRenderer
class TestHTMLRenderer:
"""Tests for HTMLRenderer class."""
@pytest.fixture
def renderer(self) -> HTMLRenderer:
"""Create an HTML renderer instance."""
return HTMLRenderer()
@pytest.fixture
def sample_run(self) -> TestRun:
"""Create a sample test run."""
return TestRun(
id="12345678-1234-1234-1234-123456789abc",
test_name="tempco",
started_at=datetime(2024, 1, 15, 10, 30, 0),
completed_at=datetime(2024, 1, 15, 10, 35, 0),
status=TestStatus.PASSED,
config_json='{"temperatures": [-40, 25, 85], "input_voltage": 5.0}',
operator="test_user",
description="Temperature coefficient characterisation test",
)
@pytest.fixture
def sample_results(self) -> list[TestResult]:
"""Create sample test results."""
return [
TestResult(
id="result-1",
test_run_id="12345678-1234-1234-1234-123456789abc",
parameter="tempco",
value=45.0,
unit="ppm/C",
measured_at=datetime(2024, 1, 15, 10, 35, 0),
lower_limit=None,
upper_limit=100.0,
),
TestResult(
id="result-2",
test_run_id="12345678-1234-1234-1234-123456789abc",
parameter="output_voltage_25c",
value=3.3001,
unit="V",
measured_at=datetime(2024, 1, 15, 10, 33, 0),
lower_limit=3.2,
upper_limit=3.4,
),
]
@pytest.fixture
def sample_report_data(
self, sample_run: TestRun, sample_results: list[TestResult]
) -> ReportData:
"""Create sample report data."""
return ReportData(
run=sample_run,
results=sample_results,
config=ReportConfig(company_name="Test Company"),
)
def test_render_produces_html(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render produces valid HTML output."""
html = renderer.render(sample_report_data)
assert isinstance(html, str)
assert html.startswith("<!DOCTYPE html>")
assert "</html>" in html
def test_render_includes_title(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes the test name in title."""
html = renderer.render(sample_report_data)
assert "<title>" in html
assert "tempco" in html
def test_render_includes_company_name(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes the company name."""
html = renderer.render(sample_report_data)
assert "Test Company" in html
def test_render_includes_results_table(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes results in a table."""
html = renderer.render(sample_report_data)
# Check for parameter names in output
assert "tempco" in html
assert "output_voltage_25c" in html
# Check for values
assert "45.000000" in html
assert "3.300100" in html
def test_render_includes_pass_status(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render shows pass status badges."""
html = renderer.render(sample_report_data)
# Check for PASS badge (results should pass)
assert "PASS" in html
def test_render_includes_run_metadata(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes run metadata."""
html = renderer.render(sample_report_data)
assert "12345678-1234-1234-1234-123456789abc" in html
assert "test_user" in html
assert "Temperature coefficient characterisation test" in html
def test_render_includes_css(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes CSS styles."""
html = renderer.render(sample_report_data)
# Check for some CSS from styles.css
assert "<style>" in html
assert "@page" in html or "font-family" in html
def test_render_includes_configuration(
self, renderer: HTMLRenderer, sample_report_data: ReportData
) -> None:
"""Test that render includes test configuration."""
html = renderer.render(sample_report_data)
# Check for config values (formatted JSON)
assert "temperatures" in html
assert "input_voltage" in html
def test_render_with_charts(
self, renderer: HTMLRenderer, sample_run: TestRun, sample_results: list[TestResult]
) -> None:
"""Test that render includes chart images."""
# Create sample base64 chart data
charts = {
"Test Chart": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+M9QDwADhgGAWjR9awAAAABJRU5ErkJggg=="
}
data = ReportData(
run=sample_run,
results=sample_results,
charts=charts,
config=ReportConfig(),
)
html = renderer.render(data)
# Check for chart section and base64 image
assert "Charts" in html
assert "data:image/png;base64," in html
def test_render_empty_results(
self, renderer: HTMLRenderer, sample_run: TestRun
) -> None:
"""Test rendering with no results."""
data = ReportData(
run=sample_run,
results=[],
config=ReportConfig(),
)
html = renderer.render(data)
# Should still produce valid HTML
assert "<!DOCTYPE html>" in html
assert "No results recorded" in html
def test_css_is_cached(self, renderer: HTMLRenderer) -> None:
"""Test that CSS content is cached after first load."""
# Access CSS twice
css1 = renderer._load_css()
css2 = renderer._load_css()
# Should be the same object (cached)
assert css1 is css2
assert len(css1) > 0
def test_render_formats_limits(
self, renderer: HTMLRenderer, sample_run: TestRun
) -> None:
"""Test that limits are properly formatted."""
results = [
TestResult(
id="result-1",
test_run_id="12345678-1234-1234-1234-123456789abc",
parameter="test_param",
value=50.0,
unit="units",
measured_at=datetime(2024, 1, 15, 10, 35, 0),
lower_limit=10.0,
upper_limit=100.0,
),
]
data = ReportData(run=sample_run, results=results, config=ReportConfig())
html = renderer.render(data)
# Check limits are formatted
assert "10.000000" in html
assert "100.000000" in html