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