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[Improvement] LLM indexability #372

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94e6e20
Initial LLM indexability testing
g-despot Mar 6, 2026
89a118e
Update tests
g-despot Mar 6, 2026
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62 changes: 62 additions & 0 deletions .github/workflows/indexability_tests.yml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
name: Docs Indexability Tests

permissions:
contents: read

on:
schedule:
# Run every Sunday at 22:00 UTC
- cron: "0 22 * * 0"
push:
branches:
- testing-ci
workflow_dispatch:

env:
PYTHON_VERSION: "3.10"

jobs:
test-indexability:
name: Test Indexability
runs-on: ubuntu-latest
timeout-minutes: 15

steps:
- name: Checkout code
uses: actions/checkout@v4

- name: Set up test environment
uses: ./.github/actions/setup-test-env
with:
python-version: ${{ env.PYTHON_VERSION }}

- name: Record test start time
run: echo "TEST_START_TIME=$(date +%s)" >> $GITHUB_ENV

- name: Run HTML structure tests
id: html-tests
continue-on-error: true
run: |
echo "Running HTML indexability tests..."
uv run pytest -m "indexability" -v --tb=short --junitxml=pytest-results.xml

- name: Run agent tests
id: agent-tests
continue-on-error: true
if: env.ANTHROPIC_API_KEY != '' && env.OPENAI_API_KEY != ''
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Copilot AI Mar 6, 2026

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The if condition references env.ANTHROPIC_API_KEY and env.OPENAI_API_KEY, but these environment variables are defined in this step's own env: block (lines 47-49). In GitHub Actions, the step-level env: is not available during evaluation of the same step's if: condition — the if: is evaluated before the step's environment is set up. Since these secrets are not defined in the workflow-level env: block either, both values will always be empty, and the agent tests will never run.

Use secrets directly in the condition instead: if: ${{ secrets.ANTHROPIC_API_KEY != '' && secrets.OPENAI_API_KEY != '' }}

Suggested change
if: env.ANTHROPIC_API_KEY != '' && env.OPENAI_API_KEY != ''
if: ${{ secrets.ANTHROPIC_API_KEY != '' && secrets.OPENAI_API_KEY != '' }}

Copilot uses AI. Check for mistakes.
env:
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
run: |
echo "Running agent indexability tests..."
uv run pytest -m "indexability_agents" -v --tb=short --junitxml=pytest-results-agents.xml

- name: Handle test results
if: always()
uses: ./.github/actions/handle-test-results
with:
test-outcome: ${{ steps.html-tests.outcome }}
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Copilot AI Mar 6, 2026

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The test-outcome only considers the HTML tests outcome (steps.html-tests.outcome), ignoring the agent tests outcome entirely. If the HTML tests pass but agent tests fail, the workflow will report success and no failure notification will be sent. Consider combining both outcomes, e.g., reporting failure if either step failed: test-outcome: ${{ steps.html-tests.outcome == 'success' && (steps.agent-tests.outcome == 'success' || steps.agent-tests.outcome == 'skipped') && 'success' || 'failure' }}

Suggested change
test-outcome: ${{ steps.html-tests.outcome }}
test-outcome: ${{ steps.html-tests.outcome == 'success' && (steps.agent-tests.outcome == 'success' || steps.agent-tests.outcome == 'skipped') && 'success' || 'failure' }}

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test-type: 'Indexability'
languages-tested: 'HTML + Claude + ChatGPT'
artifact-name: 'test-results-indexability'
slack-bot-token: ${{ secrets.TESTING_CI_SLACK_BOT }}
3 changes: 3 additions & 0 deletions pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,11 @@ description = "Weaviate documentation test suite"
readme = "README.md"
requires-python = ">=3.10"
dependencies = [
"anthropic>=0.40.0",
"beautifulsoup4>=4.12.0",
"datasets>=4.0.0",
"ijson>=3.3.0",
"openai>=1.50.0",
"pandas>=2.2.3",
"pytest>=8.3.5",
"python-dotenv>=1.1.1",
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2 changes: 2 additions & 0 deletions pytest.ini
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Expand Up @@ -7,3 +7,5 @@ markers =
ts: groups tests by language (typescript)
java_v6: groups tests by language (java v6 client)
csharp: groups tests by language (c#)
indexability: HTML structure tests for docs indexability (no API keys)
indexability_agents: AI agent tests for docs indexability (requires API keys)
132 changes: 132 additions & 0 deletions tests/README-INDEXABILITY.md
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# Docs Indexability Tests

This test suite validates that AI agents (Claude, ChatGPT) and web search crawlers can access all documentation content from the live docs site at [docs.weaviate.io](https://docs.weaviate.io).

## Why these tests exist

Documentation content that is hidden behind JavaScript interactions (tabs, collapsibles) or lazy-loaded may be invisible to AI agents and search crawlers. These tests verify that:

1. All HTML content is present in the server-rendered page (tabs, collapsibles, code snippets)
2. Claude can fetch and read page content via its `web_fetch` tool
3. ChatGPT can find and read page content via its `web_search_preview` tool
4. `llms.txt` and `sitemap.xml` are accessible and well-formed

## Test structure

| Part | Marker | API keys needed | Description |
|------|--------|-----------------|-------------|
| HTML structure | `indexability` | None | Fetches pages with `requests` + `beautifulsoup4` and checks HTML |
| Claude agent | `indexability_agents` | `ANTHROPIC_API_KEY` | Uses Anthropic API with `web_fetch` tool |
| ChatGPT agent | `indexability_agents` | `OPENAI_API_KEY` | Uses OpenAI Responses API with `web_search_preview` tool |

### HTML structure tests (Part 1)

These tests fetch ~11 representative pages from all doc sections and check:

| Test | What it checks |
|------|---------------|
| `test_page_returns_200` | All pages return HTTP 200 |
| `test_meta_tags` | `<title>`, `<meta description>`, `og:title`, `og:description` present |
| `test_heading_hierarchy` | Exactly 1 `<h1>`, content pages have `<h2>`s |
| `test_tabbed_code_blocks_all_present` | ALL tab panels have content in HTML (not just active tab) |
| `test_code_blocks_present` | Pages with code have non-empty `<pre><code>` blocks. For the quickstart page, also verifies the exact vectorizer config line for all 5 languages is present in the HTML. |
| `test_details_content_present` | `<details>` elements have body content (not lazy-loaded) |
| `test_images_have_alt_text` | Content images have alt text (excludes decorative SVGs/icons) |
| `test_llms_txt_accessible` | `/llms.txt` returns 200, has substantial content, mentions Weaviate |
| `test_sitemap_accessible` | `/sitemap.xml` returns 200, has 100+ URLs |

### Claude agent tests (Part 2)

Uses Claude Haiku with the `web_fetch` tool:

| Test | What it checks |
|------|---------------|
| `test_claude_can_fetch_code_tabs` | Fetches `/weaviate/quickstart` and extracts the exact vectorizer config line for all 5 languages (Python, TypeScript, Go, Java, C#) |
| `test_claude_can_fetch_collapsible_content` | Fetches `/weaviate/config-refs/collections` and finds `text2vec-contextionary` inside a `<details>` block |
| `test_claude_can_fetch_llms_txt` | Fetches `/llms.txt` and identifies all 3 top-level sections (`agents`, `cloud`, `weaviate`) plus multi-language code examples |

### ChatGPT agent tests (Part 3)

Uses GPT-4.1 Mini with the `web_search_preview` tool:

| Test | What it checks |
|------|---------------|
| `test_chatgpt_can_search_code_tabs` | Finds the quickstart URL, identifies 3+ languages, and checks for vectorizer config lines (requires 3/5) |
| `test_chatgpt_can_search_collapsible_content` | Finds the config-refs URL and `text2vec-contextionary` from the collapsible JSON block |
| `test_chatgpt_can_search_llms_txt` | Finds `/llms.txt` URL, identifies all 3 top-level sections (`agents`, `cloud`, `weaviate`), and multi-language code examples |

## Running the tests

```bash
# HTML structure tests only (no API keys needed)
uv run pytest -m indexability -v

# Agent tests only (requires ANTHROPIC_API_KEY and OPENAI_API_KEY)
uv run pytest -m indexability_agents -v

# All indexability tests
uv run pytest -m "indexability or indexability_agents" -v
```

## CI workflow

The tests run via `.github/workflows/indexability_tests.yml`:

- **Schedule**: Every Sunday at 22:00 UTC
- **Manual**: Via workflow dispatch
- **Branch**: Runs on push to `testing-ci`
- **Runtime**: ~15 minutes maximum

HTML structure tests always run. Agent tests only run if `ANTHROPIC_API_KEY` and `OPENAI_API_KEY` secrets are configured.

## Test pages

The suite tests 11 representative URLs covering all doc sections:

| Page | Features tested |
|------|----------------|
| `/weaviate/quickstart` | tabs, code (with vectorizer line check) |
| `/weaviate/manage-collections/collection-operations` | tabs, code, details |
| `/weaviate/search/similarity` | tabs, code |
| `/weaviate/search/hybrid` | tabs, code |
| `/weaviate/connections/connect-cloud` | tabs, code |
| `/weaviate/config-refs/collections` | details, table |
| `/weaviate/concepts/data-import` | images |
| `/cloud/quickstart` | code, images |
| `/cloud/manage-clusters/create` | images |
| `/agents/query/tutorial-ecommerce` | code |
| `/weaviate/search` | landing page |

## Quickstart vectorizer lines

The quickstart page has tabbed code for 5 languages. The tests verify these exact lines are present in the HTML and readable by Claude:

| Language | Vectorizer config line |
|----------|----------------------|
| Python | `Configure.Vectors.text2vec_weaviate()` |
| TypeScript | `vectors.text2VecWeaviate()` |
| Go | `Vectorizer: "text2vec-weaviate"` |
| Java | `VectorConfig.text2vecWeaviate()` |
| C# | `v.Text2VecWeaviate()` |

## Dependencies

- `beautifulsoup4` — HTML parsing
- `requests` — HTTP fetching (already in project)
- `anthropic` — Claude API for agent tests
- `openai` — OpenAI API for agent tests

All are listed in the root `pyproject.toml`.

## Adding test pages

To test additional pages, add entries to the `TEST_PAGES` list in `tests/test_docs_indexability.py`:

```python
TEST_PAGES = [
("/path/to/page", {"tabs", "code", "details", "images", "table"}),
# ...
]
```

Available feature tags: `tabs`, `code`, `details`, `images`, `table`. Pages are parametrized — each feature tag enables the corresponding structural test for that page.
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