4926b4ac32
Cover both existing-file (produces link) and missing-file (no link) cases for __has_embed directives. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
139 lines
4.8 KiB
Python
139 lines
4.8 KiB
Python
"""Integration tests for document links with PCH, #embed, and __has_embed.
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Verifies that document links from both PCH (preamble) and main-file
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compilation are correctly returned and merged, including #embed and
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__has_embed directives.
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Test source layout (tests/data/document_links/main.cpp):
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#include "header_a.h" <- line 0, in PCH preamble
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#include "header_b.h" <- line 1, in PCH preamble
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int x = 1; <- line 2, breaks preamble
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#include "header_c.h" <- line 3
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<- line 4, empty
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const char data[] = { <- line 5
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#embed "data.bin" <- line 6, embed directive
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}; <- line 7
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<- line 8, empty
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#if __has_embed("data.bin") <- line 9, has_embed (file exists)
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int has_embed_found = 1; <- line 10
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#endif <- line 11
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<- line 12, empty
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#if __has_embed("no_such_file.bin") <- line 13, has_embed (file missing)
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int has_embed_not_found = 1; <- line 14
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#endif <- line 15
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Expected: 5 links from includes + embed + has_embed(existing),
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__has_embed("no_such_file.bin") produces NO link.
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"""
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from pathlib import Path
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import pytest
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@pytest.mark.workspace("document_links")
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async def test_document_links_with_pch(client, workspace):
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"""Document links from both PCH and main compilation are returned."""
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uri, content = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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assert links is not None, "document_links returned None"
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targets = sorted(Path(link.target).name for link in links)
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assert targets == [
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"data.bin",
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"data.bin",
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"header_a.h",
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"header_b.h",
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"header_c.h",
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], f"Unexpected targets: {targets}"
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client.close(uri)
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@pytest.mark.workspace("document_links")
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async def test_document_links_pch_portion(client, workspace):
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"""PCH portion (header_a, header_b) must appear in document links."""
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uri, _ = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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pch_links = [link for link in links if link.range.start.line < 2]
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assert len(pch_links) == 2, (
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f"Expected 2 PCH links (lines 0-1), got {len(pch_links)}"
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)
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pch_targets = sorted(Path(link.target).name for link in pch_links)
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assert pch_targets == ["header_a.h", "header_b.h"]
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client.close(uri)
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@pytest.mark.workspace("document_links")
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async def test_document_links_main_portion(client, workspace):
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"""Main-file portion (header_c, data.bin x2) must appear in document links."""
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uri, _ = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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main_links = [link for link in links if link.range.start.line >= 2]
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assert len(main_links) == 3, (
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f"Expected 3 main-file links (lines 3, 6, 9), got {len(main_links)}"
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)
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main_targets = sorted(Path(link.target).name for link in main_links)
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assert main_targets == ["data.bin", "data.bin", "header_c.h"]
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client.close(uri)
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@pytest.mark.workspace("document_links")
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async def test_document_links_embed(client, workspace):
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"""#embed directive produces a document link."""
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uri, _ = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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embed_links = [
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link
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for link in links
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if Path(link.target).name == "data.bin" and link.range.start.line == 6
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]
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assert len(embed_links) == 1, (
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f"Expected 1 embed link at line 6, got {len(embed_links)}"
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)
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client.close(uri)
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@pytest.mark.workspace("document_links")
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async def test_document_links_has_embed_exists(client, workspace):
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"""__has_embed with an existing file produces a document link."""
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uri, _ = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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has_embed_links = [
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link
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for link in links
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if Path(link.target).name == "data.bin" and link.range.start.line == 9
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]
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assert len(has_embed_links) == 1, (
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f"Expected 1 has_embed link at line 9, got {len(has_embed_links)}"
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)
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client.close(uri)
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@pytest.mark.workspace("document_links")
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async def test_document_links_has_embed_missing(client, workspace):
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"""__has_embed with a non-existent file produces NO document link."""
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uri, _ = await client.open_and_wait(workspace / "main.cpp")
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links = await client.document_links(uri)
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missing_links = [
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link for link in links if Path(link.target).name == "no_such_file.bin"
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]
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assert len(missing_links) == 0, (
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f"Expected 0 links for non-existent file, got {len(missing_links)}"
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)
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client.close(uri)
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