Igloo MCP

"""Tests for placeholder-based merging utilities.""" from __future__ import annotations import pytest from igloo_mcp.living_reports.merge_utils import ( MERGE_MODE_APPEND, MERGE_MODE_MERGE, MERGE_MODE_PREPEND, MERGE_MODE_REPLACE, apply_content_merge, has_placeholders, merge_with_placeholders, ) class TestHasPlaceholders: """Tests for has_placeholders detection.""" def test_no_placeholders(self) -> None: """Content without placeholders returns False.""" assert has_placeholders("Just some regular content") is False assert has_placeholders("# Header\nSome text") is False def test_existing_placeholder(self) -> None: """Detects '// ... existing ...' placeholder.""" assert has_placeholders("// ... existing ...") is True assert has_placeholders("<!-- ... existing ... -->") is True assert has_placeholders("# ... existing ...") is True assert has_placeholders("// ... keep existing ...") is True def test_keep_above_placeholder(self) -> None: """Detects '// ... keep above ...' placeholder.""" assert has_placeholders("// ... keep above ...") is True assert has_placeholders("<!-- ... keep above ... -->") is True def test_keep_below_placeholder(self) -> None: """Detects '// ... keep below ...' placeholder.""" assert has_placeholders("// ... keep below ...") is True assert has_placeholders("<!-- ... keep below ... -->") is True def test_keep_section_placeholder(self) -> None: """Detects '// ... keep "Section Name" ...' placeholder.""" assert has_placeholders('// ... keep "Introduction" ...') is True assert has_placeholders('<!-- ... keep "Analysis" ... -->') is True def test_empty_content(self) -> None: """Empty content returns False.""" assert has_placeholders("") is False assert has_placeholders(None) is False # type: ignore class TestMergeWithPlaceholders: """Tests for merge_with_placeholders function.""" def test_no_placeholders_returns_template(self) -> None: """Without placeholders, return template as-is (replace mode).""" existing = "Old content" template = "New content" result = merge_with_placeholders(existing, template) assert result == "New content" def test_empty_template_returns_existing(self) -> None: """Empty template returns existing content.""" existing = "Keep this" result = merge_with_placeholders(existing, "") assert result == "Keep this" def test_empty_existing_removes_placeholders(self) -> None: """With no existing content, placeholders are removed.""" template = "// ... existing ...\nNew stuff" result = merge_with_placeholders("", template) assert "existing" not in result.lower() assert "New stuff" in result def test_keep_existing_placeholder(self) -> None: """'// ... existing ...' replaces with all existing content.""" existing = "All my existing content here" template = "// ... existing ..." result = merge_with_placeholders(existing, template) assert result == "All my existing content here" def test_keep_above_placeholder(self) -> None: """'// ... keep above ...' preserves content before placeholder.""" existing = "# Header\nOld intro.\n\n# Body\nOld body." template = "// ... keep above ...\n# Body\nNew body content." result = merge_with_placeholders(existing, template) assert "# Header" in result assert "Old intro" in result assert "New body content" in result def test_keep_below_placeholder(self) -> None: """'// ... keep below ...' preserves content after placeholder.""" existing = "# Header\nOld intro.\n\n# Footer\nOld footer." template = "# Header\nNew intro.\n// ... keep below ..." result = merge_with_placeholders(existing, template) assert "New intro" in result assert "Old intro" in result or "Old footer" in result def test_keep_section_placeholder(self) -> None: """'// ... keep "Section" ...' preserves named section.""" existing = """# Introduction This is the intro. # Analysis Old analysis here. # Conclusion Final thoughts.""" template = """// ... keep "Introduction" ... # Analysis New analysis with updated data. # Conclusion Updated conclusion.""" result = merge_with_placeholders(existing, template) assert "This is the intro" in result assert "New analysis with updated data" in result def test_section_not_found(self) -> None: """Missing section placeholder is removed gracefully.""" existing = "# Intro\nSome content" template = '// ... keep "NonExistent" ...\n# New Section\nContent' result = merge_with_placeholders(existing, template) assert "NonExistent" not in result assert "# New Section" in result class TestApplyContentMerge: """Tests for apply_content_merge function.""" def test_replace_mode(self) -> None: """Replace mode returns new content entirely.""" result = apply_content_merge("old", "new", MERGE_MODE_REPLACE) assert result == "new" def test_merge_mode_with_placeholders(self) -> None: """Merge mode applies placeholder-based merging.""" result = apply_content_merge( "Existing content", "// ... existing ...\n\nAdditional content", MERGE_MODE_MERGE, ) assert "Existing content" in result assert "Additional content" in result def test_merge_mode_without_placeholders(self) -> None: """Merge mode without placeholders returns new content.""" result = apply_content_merge("old", "new", MERGE_MODE_MERGE) assert result == "new" def test_append_mode(self) -> None: """Append mode adds new content after existing.""" result = apply_content_merge("First", "Second", MERGE_MODE_APPEND) assert result.startswith("First") assert result.endswith("Second") assert "First" in result assert "Second" in result def test_prepend_mode(self) -> None: """Prepend mode adds new content before existing.""" result = apply_content_merge("Second", "First", MERGE_MODE_PREPEND) assert result.startswith("First") assert result.endswith("Second") def test_append_with_empty_existing(self) -> None: """Append with no existing returns just new content.""" result = apply_content_merge("", "New content", MERGE_MODE_APPEND) assert result == "New content" def test_prepend_with_empty_existing(self) -> None: """Prepend with no existing returns just new content.""" result = apply_content_merge("", "New content", MERGE_MODE_PREPEND) assert result == "New content" def test_invalid_merge_mode_raises(self) -> None: """Invalid merge mode raises ValueError.""" with pytest.raises(ValueError, match="Invalid merge_mode"): apply_content_merge("old", "new", "invalid_mode") class TestMergeModeConstants: """Tests for merge mode constants.""" def test_constant_values(self) -> None: """Constants have expected values.""" assert MERGE_MODE_REPLACE == "replace" assert MERGE_MODE_MERGE == "merge" assert MERGE_MODE_APPEND == "append" assert MERGE_MODE_PREPEND == "prepend"