Files
noteflow/.cupcake/policies/opencode/block_test_loops_conditionals.rego
2026-01-22 04:40:05 +00:00

176 lines
4.6 KiB
Rego

# METADATA
# scope: package
# title: Block Test Loops/Conditionals
# description: Blocks loops or conditionals inside tests with asserts
# custom:
# routing:
# required_events: ["PreToolUse"]
# required_tools: ["ApplyPatch", "Edit", "MultiEdit", "NotebookEdit", "Patch", "Write"]
package cupcake.policies.opencode.block_test_loops_conditionals
import rego.v1
tool_name := input.tool_name
tool_input := input.tool_input
resolved_file_path := input.resolved_file_path if {
input.resolved_file_path != null
} else := tool_input.file_path if {
tool_input.file_path != null
} else := tool_input.filePath if {
tool_input.filePath != null
} else := tool_input.path if {
tool_input.path != null
} else := tool_input.notebook_path if {
tool_input.notebook_path != null
} else := tool_input.notebookPath if {
tool_input.notebookPath != null
} else := ""
new_content := tool_input.new_string if {
tool_input.new_string != null
} else := tool_input.newText if {
tool_input.newText != null
} else := tool_input.new_text if {
tool_input.new_text != null
} else := tool_input.content if {
tool_input.content != null
} else := ""
old_content := tool_input.old_string if {
tool_input.old_string != null
} else := tool_input.oldText if {
tool_input.oldText != null
} else := tool_input.old_text if {
tool_input.old_text != null
} else := tool_input.previousContent if {
tool_input.previousContent != null
} else := ""
patch_content := tool_input.patch if {
tool_input.patch != null
} else := tool_input.patchText if {
tool_input.patchText != null
} else := tool_input.patch_text if {
tool_input.patch_text != null
} else := ""
edit_path(edit) := path if {
edit.resolved_file_path != null
path := edit.resolved_file_path
} else := path if {
edit.file_path != null
path := edit.file_path
} else := path if {
edit.filePath != null
path := edit.filePath
} else := path if {
edit.path != null
path := edit.path
} else := ""
edit_new_content(edit) := content if {
edit.new_string != null
content := edit.new_string
} else := content if {
edit.newText != null
content := edit.newText
} else := content if {
edit.new_text != null
content := edit.new_text
} else := content if {
edit.content != null
content := edit.content
} else := ""
edit_old_content(edit) := content if {
edit.old_string != null
content := edit.old_string
} else := content if {
edit.oldText != null
content := edit.oldText
} else := content if {
edit.old_text != null
content := edit.old_text
} else := ""
patch_targets_path(pattern) if {
patch := patch_content
patch != null
lines := split(patch, "\n")
some line in lines
startswith(line, "+++ b/")
path := replace(line, "+++ b/", "")
regex.match(pattern, path)
}
patch_targets_path(pattern) if {
patch := patch_content
patch != null
lines := split(patch, "\n")
some line in lines
startswith(line, "--- a/")
path := replace(line, "--- a/", "")
regex.match(pattern, path)
}
file_path_pattern := `tests?/.*\.py$`
pattern := `def test_[^(]+\([^)]*\)[^:]*:[\s\S]*?\b(for|while|if)\s+[^:]+:[\s\S]*?assert`
# Block Write/Edit operations that introduce loops/conditionals in tests
deny contains decision if {
input.hook_event_name == "PreToolUse"
tool_name in {"Write", "Edit", "NotebookEdit"}
file_path := resolved_file_path
regex.match(file_path_pattern, file_path)
content := new_content
content != null
regex.match(pattern, content)
decision := {
"rule_id": "TEST-STRUCT-001",
"reason": "Loops or conditionals inside tests are prohibited. Use parametrization.",
"severity": "HIGH"
}
}
deny contains decision if {
input.hook_event_name == "PreToolUse"
tool_name == "MultiEdit"
some edit in tool_input.edits
file_path := edit_path(edit)
regex.match(file_path_pattern, file_path)
content := edit_new_content(edit)
content != null
regex.match(pattern, content)
decision := {
"rule_id": "TEST-STRUCT-001",
"reason": "Loops or conditionals inside tests are prohibited. Use parametrization.",
"severity": "HIGH"
}
}
deny contains decision if {
input.hook_event_name == "PreToolUse"
tool_name in {"Patch", "ApplyPatch"}
patch := patch_content
patch != null
patch_targets_path(file_path_pattern)
regex.match(pattern, patch)
decision := {
"rule_id": "TEST-STRUCT-001",
"reason": "Loops or conditionals inside tests are prohibited. Use parametrization.",
"severity": "HIGH"
}
}