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fix mocha test runner

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This commit is contained in:
Sarthak Agarwal 2026-03-04 03:42:10 +05:30
parent 4766daac7e
commit bc5e3e878a
10 changed files with 1514 additions and 10 deletions
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5
code_to_optimize/js/code_to_optimize_mocha/codeflash.yaml Normal file
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@ -0,0 +1,5 @@
# Codeflash Configuration for Mocha CJS JavaScript Project
module_root: "."
tests_root: "tests"
test_framework: "mocha"
formatter_cmds: []

60
code_to_optimize/js/code_to_optimize_mocha/fibonacci.js Normal file
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/**
* Fibonacci implementations - CommonJS module
* Intentionally inefficient for optimization testing.
*/
/**
* Calculate the nth Fibonacci number using naive recursion.
* This is intentionally slow to demonstrate optimization potential.
* @param {number} n - The index of the Fibonacci number to calculate
* @returns {number} The nth Fibonacci number
*/
function fibonacci(n) {
if (n <= 1) {
return n;
}
return fibonacci(n - 1) + fibonacci(n - 2);
}
/**
* Check if a number is a Fibonacci number.
* @param {number} num - The number to check
* @returns {boolean} True if num is a Fibonacci number
*/
function isFibonacci(num) {
// A number is Fibonacci if one of (5*n*n + 4) or (5*n*n - 4) is a perfect square
const check1 = 5 * num * num + 4;
const check2 = 5 * num * num - 4;
return isPerfectSquare(check1) || isPerfectSquare(check2);
}
/**
* Check if a number is a perfect square.
* @param {number} n - The number to check
* @returns {boolean} True if n is a perfect square
*/
function isPerfectSquare(n) {
const sqrt = Math.sqrt(n);
return sqrt === Math.floor(sqrt);
}
/**
* Generate an array of Fibonacci numbers up to n.
* @param {number} n - The number of Fibonacci numbers to generate
* @returns {number[]} Array of Fibonacci numbers
*/
function fibonacciSequence(n) {
const result = [];
for (let i = 0; i < n; i++) {
result.push(fibonacci(i));
}
return result;
}
// CommonJS exports
module.exports = {
fibonacci,
isFibonacci,
isPerfectSquare,
fibonacciSequence,
};

966
code_to_optimize/js/code_to_optimize_mocha/package-lock.json generated Normal file
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{
"name": "code-to-optimize-mocha",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "code-to-optimize-mocha",
"version": "1.0.0",
"devDependencies": {
"codeflash": "file:../../../packages/codeflash",
"mocha": "^10.7.0"
}
},
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"version": "0.10.1",
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13
code_to_optimize/js/code_to_optimize_mocha/package.json Normal file
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@ -0,0 +1,13 @@
{
"name": "code-to-optimize-mocha",
"version": "1.0.0",
"description": "Mocha CJS JavaScript test project for Codeflash E2E testing",
"main": "index.js",
"scripts": {
"test": "mocha"
},
"devDependencies": {
"codeflash": "file:../../../packages/codeflash",
"mocha": "^10.7.0"
}
}

77
code_to_optimize/js/code_to_optimize_mocha/tests/fibonacci.test.js Normal file
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@ -0,0 +1,77 @@
/**
* Tests for Fibonacci functions - Mocha + node:assert/strict
*/
const assert = require('node:assert/strict');
const { fibonacci, isFibonacci, isPerfectSquare, fibonacciSequence } = require('../fibonacci');
describe('fibonacci', () => {
it('returns 0 for n=0', () => {
assert.strictEqual(fibonacci(0), 0);
});
it('returns 1 for n=1', () => {
assert.strictEqual(fibonacci(1), 1);
});
it('returns 1 for n=2', () => {
assert.strictEqual(fibonacci(2), 1);
});
it('returns 5 for n=5', () => {
assert.strictEqual(fibonacci(5), 5);
});
it('returns 55 for n=10', () => {
assert.strictEqual(fibonacci(10), 55);
});
it('returns 233 for n=13', () => {
assert.strictEqual(fibonacci(13), 233);
});
});
describe('isFibonacci', () => {
it('returns true for Fibonacci numbers', () => {
assert.strictEqual(isFibonacci(0), true);
assert.strictEqual(isFibonacci(1), true);
assert.strictEqual(isFibonacci(5), true);
assert.strictEqual(isFibonacci(8), true);
assert.strictEqual(isFibonacci(13), true);
});
it('returns false for non-Fibonacci numbers', () => {
assert.strictEqual(isFibonacci(4), false);
assert.strictEqual(isFibonacci(6), false);
assert.strictEqual(isFibonacci(7), false);
});
});
describe('isPerfectSquare', () => {
it('returns true for perfect squares', () => {
assert.strictEqual(isPerfectSquare(0), true);
assert.strictEqual(isPerfectSquare(1), true);
assert.strictEqual(isPerfectSquare(4), true);
assert.strictEqual(isPerfectSquare(9), true);
assert.strictEqual(isPerfectSquare(16), true);
});
it('returns false for non-perfect squares', () => {
assert.strictEqual(isPerfectSquare(2), false);
assert.strictEqual(isPerfectSquare(3), false);
assert.strictEqual(isPerfectSquare(5), false);
});
});
describe('fibonacciSequence', () => {
it('returns empty array for n=0', () => {
assert.deepStrictEqual(fibonacciSequence(0), []);
});
it('returns first 5 Fibonacci numbers', () => {
assert.deepStrictEqual(fibonacciSequence(5), [0, 1, 1, 2, 3]);
});
it('returns first 10 Fibonacci numbers', () => {
assert.deepStrictEqual(fibonacciSequence(10), [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]);
});
});

246
codeflash/languages/javascript/edit_tests.py
View file

@ -226,9 +226,13 @@ def inject_test_globals(
)
for test in generated_tests.generated_tests:
test.generated_original_test_source = global_import + test.generated_original_test_source
test.instrumented_behavior_test_source = global_import + test.instrumented_behavior_test_source
test.instrumented_perf_test_source = global_import + test.instrumented_perf_test_source
# Skip injection if the source already has the import (LLM may have included it)
if global_import.strip() not in test.generated_original_test_source:
test.generated_original_test_source = global_import + test.generated_original_test_source
if global_import.strip() not in test.instrumented_behavior_test_source:
test.instrumented_behavior_test_source = global_import + test.instrumented_behavior_test_source
if global_import.strip() not in test.instrumented_perf_test_source:
test.instrumented_perf_test_source = global_import + test.instrumented_perf_test_source
return generated_tests
@ -245,20 +249,30 @@ _MOCHA_REQUIRE_RE = re.compile(
)
_VITEST_COMMENT_RE = re.compile(r"^.*//.*vitest imports.*\n?", re.MULTILINE | re.IGNORECASE)
# Chai import patterns — LLMs sometimes associate Mocha with Chai
_CHAI_IMPORT_RE = re.compile(r"^.*import\s+.*\s+from\s+['\"]chai['\"].*\n?", re.MULTILINE)
_CHAI_REQUIRE_RE = re.compile(r"^.*(?:const|let|var)\s+.*\s*=\s*require\s*\(\s*['\"]chai['\"]\s*\).*\n?", re.MULTILINE)
# Pattern to convert test() → it() — Mocha uses it(), not test()
_TEST_CALL_RE = re.compile(r"(\s*)test\s*\(")
def sanitize_mocha_imports(source: str) -> str:
"""Remove vitest/jest/mocha-require imports from Mocha test source.
"""Remove vitest/jest/mocha-require/chai imports from Mocha test source.
The AI service sometimes generates vitest or jest-style imports when the
framework is mocha. Mocha provides describe/it/before*/after* as globals,
so these imports must be removed. Also removes ``require('mocha')``
destructures since Mocha doesn't export those.
Additionally converts ``test()`` calls to ``it()`` since Mocha only
supports ``it()`` as its test function.
Args:
source: Generated test source code.
Returns:
Source with incorrect framework imports stripped.
Source with incorrect framework imports stripped and test() converted to it().
"""
source = _VITEST_IMPORT_RE.sub("", source)
@ -266,7 +280,227 @@ def sanitize_mocha_imports(source: str) -> str:
source = _JEST_GLOBALS_IMPORT_RE.sub("", source)
source = _JEST_GLOBALS_REQUIRE_RE.sub("", source)
source = _MOCHA_REQUIRE_RE.sub("", source)
return _VITEST_COMMENT_RE.sub("", source)
source = _VITEST_COMMENT_RE.sub("", source)
source = _CHAI_IMPORT_RE.sub("", source)
source = _CHAI_REQUIRE_RE.sub("", source)
source = _TEST_CALL_RE.sub(r"\1it(", source)
return convert_expect_to_assert(source)
def _find_matching_paren(source: str, open_pos: int) -> int:
"""Find the position of the closing parenthesis matching the one at open_pos."""
depth = 0
in_string = False
string_char = None
i = open_pos
while i < len(source):
char = source[i]
if char in ('"', "'", "`") and (i == 0 or source[i - 1] != "\\"):
if not in_string:
in_string = True
string_char = char
elif char == string_char:
in_string = False
string_char = None
elif not in_string:
if char == "(":
depth += 1
elif char == ")":
depth -= 1
if depth == 0:
return i
i += 1
return -1
def convert_expect_to_assert(source: str) -> str:
"""Convert expect()-style assertions to node:assert/strict equivalents.
LLMs frequently generate Chai-style (``expect(x).to.equal(y)``) or
Jest-style (``expect(x).toBe(y)``) assertions for Mocha tests despite
being instructed to use ``assert``. This function converts the common
patterns to their ``node:assert/strict`` equivalents so that
instrumentation and Mocha execution work correctly.
Any ``expect()`` calls that cannot be converted are commented out with
``// SKIPPED`` to prevent ``ReferenceError: expect is not defined``.
Args:
source: Test source code that may contain expect() calls.
Returns:
Source with expect() calls converted to assert equivalents.
"""
if "expect(" not in source:
return source
lines = source.split("\n")
converted: list[str] = []
for line in lines:
converted_line = _convert_expect_line(line)
converted.append(converted_line)
return "\n".join(converted)
# Patterns mapping (chain_suffix → conversion_type)
# "simple" = assert.func(actual, value), "ok_cmp" = assert.ok(actual OP value)
# "ok_method" = assert.ok(actual.method(value)), "type" = assert.ok(typeof actual === ...)
# "truthy" = assert.ok(actual) / assert.strictEqual(actual, bool)
# "throws" = assert.throws, "noop" = assert.ok(actual !== undefined)
_EXPECT_CHAIN_MAP: list[tuple[str, str, str | None]] = [
# Jest patterns (most common)
(".toBe(", "simple_strictEqual", None),
(".toEqual(", "simple_deepStrictEqual", None),
(".toStrictEqual(", "simple_deepStrictEqual", None),
(".toBeGreaterThan(", "ok_gt", None),
(".toBeGreaterThanOrEqual(", "ok_gte", None),
(".toBeLessThan(", "ok_lt", None),
(".toBeLessThanOrEqual(", "ok_lte", None),
(".toContain(", "ok_includes", None),
(".toHaveLength(", "ok_length", None),
(".toBeNull(", "null_check", None),
(".toBeUndefined(", "undef_check", None),
(".toBeTruthy(", "truthy", None),
(".toBeFalsy(", "falsy", None),
(".toThrow(", "throws", None),
(".toMatch(", "ok_match", None),
# Chai .to. patterns
(".to.equal(", "simple_strictEqual", None),
(".to.eql(", "simple_deepStrictEqual", None),
(".to.deep.equal(", "simple_deepStrictEqual", None),
(".to.be.greaterThan(", "ok_gt", None),
(".to.be.lessThan(", "ok_lt", None),
(".to.be.above(", "ok_gt", None),
(".to.be.below(", "ok_lt", None),
(".to.be.at.least(", "ok_gte", None),
(".to.be.at.most(", "ok_lte", None),
(".to.include(", "ok_includes", None),
(".to.contain(", "ok_includes", None),
(".to.not.include(", "ok_not_includes", None),
(".to.not.contain(", "ok_not_includes", None),
(".to.have.length(", "ok_length", None),
(".to.have.lengthOf(", "ok_length", None),
(".to.throw(", "throws", None),
(".to.match(", "ok_match", None),
(".to.be.a(", "noop", None),
(".to.be.an(", "noop", None),
(".to.be.instanceOf(", "noop", None),
(".to.be.instanceof(", "noop", None),
(".to.exist", "truthy_no_arg", None),
(".to.not.exist", "falsy_no_arg", None),
(".to.be.true", "true_no_arg", None),
(".to.be.false", "false_no_arg", None),
(".to.be.null", "null_no_arg", None),
(".to.be.undefined", "undef_no_arg", None),
(".to.be.ok", "truthy_no_arg", None),
(".to.not.be.ok", "falsy_no_arg", None),
]
def _convert_expect_line(line: str) -> str:
"""Convert a single line containing expect() to an assert equivalent."""
stripped = line.lstrip()
if "expect(" not in stripped:
return line
indent = line[: len(line) - len(stripped)]
expect_idx = line.find("expect(")
if expect_idx == -1:
return line
open_paren = expect_idx + len("expect")
close_paren = _find_matching_paren(line, open_paren)
if close_paren == -1:
# Multi-line expect or malformed — comment out to prevent ReferenceError
return f"{indent}// SKIPPED (unconvertible expect): {stripped}"
actual_expr = line[open_paren + 1 : close_paren]
rest = line[close_paren + 1 :].strip()
trailing_semi = ";" if rest.endswith(";") else ""
# Try each chain pattern
for chain_prefix, conversion_type, _ in _EXPECT_CHAIN_MAP:
if not rest.startswith(chain_prefix):
continue
# No-argument chains (e.g. .to.be.true, .to.exist)
if conversion_type.endswith("_no_arg"):
return _convert_no_arg(indent, actual_expr, conversion_type, trailing_semi)
# Extract the argument inside the chain's parentheses
chain_open = rest.find("(")
if chain_open == -1:
break
chain_close = _find_matching_paren(rest, chain_open)
if chain_close == -1:
break
value_expr = rest[chain_open + 1 : chain_close]
return _convert_with_arg(indent, actual_expr, value_expr, conversion_type, trailing_semi)
# Fallback: comment out unconvertible expect() to prevent ReferenceError
return f"{indent}// SKIPPED (unconvertible expect): {stripped}"
def _convert_no_arg(indent: str, actual: str, conversion_type: str, semi: str) -> str:
"""Convert expect patterns that take no argument (e.g., .to.be.true)."""
if conversion_type == "true_no_arg":
return f"{indent}assert.strictEqual({actual}, true){semi}"
if conversion_type == "false_no_arg":
return f"{indent}assert.strictEqual({actual}, false){semi}"
if conversion_type == "null_no_arg":
return f"{indent}assert.strictEqual({actual}, null){semi}"
if conversion_type == "undef_no_arg":
return f"{indent}assert.strictEqual({actual}, undefined){semi}"
if conversion_type == "truthy_no_arg":
return f"{indent}assert.ok({actual}){semi}"
if conversion_type == "falsy_no_arg":
return f"{indent}assert.ok(!({actual})){semi}"
return f"{indent}assert.ok({actual} !== undefined){semi}"
def _convert_with_arg(indent: str, actual: str, value: str, conversion_type: str, semi: str) -> str:
"""Convert expect patterns that take an argument."""
if conversion_type == "simple_strictEqual":
return f"{indent}assert.strictEqual({actual}, {value}){semi}"
if conversion_type == "simple_deepStrictEqual":
return f"{indent}assert.deepStrictEqual({actual}, {value}){semi}"
if conversion_type == "ok_gt":
return f"{indent}assert.ok(({actual}) > ({value})){semi}"
if conversion_type == "ok_gte":
return f"{indent}assert.ok(({actual}) >= ({value})){semi}"
if conversion_type == "ok_lt":
return f"{indent}assert.ok(({actual}) < ({value})){semi}"
if conversion_type == "ok_lte":
return f"{indent}assert.ok(({actual}) <= ({value})){semi}"
if conversion_type == "ok_includes":
return f"{indent}assert.ok(String({actual}).includes({value})){semi}"
if conversion_type == "ok_not_includes":
return f"{indent}assert.ok(!String({actual}).includes({value})){semi}"
if conversion_type == "ok_length":
return f"{indent}assert.strictEqual(({actual}).length, {value}){semi}"
if conversion_type == "ok_match":
return f"{indent}assert.match(String({actual}), {value}){semi}"
if conversion_type == "null_check":
return f"{indent}assert.strictEqual({actual}, null){semi}"
if conversion_type == "undef_check":
return f"{indent}assert.strictEqual({actual}, undefined){semi}"
if conversion_type == "truthy":
return f"{indent}assert.ok({actual}){semi}"
if conversion_type == "falsy":
return f"{indent}assert.ok(!({actual})){semi}"
if conversion_type == "throws":
if value:
return f"{indent}assert.throws(() => {{ {actual}; }}, {value}){semi}"
return f"{indent}assert.throws(() => {{ {actual}; }}){semi}"
# noop: type checks like .to.be.a('string') — just verify defined
if conversion_type == "noop":
return f"{indent}assert.ok({actual} !== undefined){semi}"
return f"{indent}assert.ok({actual} !== undefined){semi}"
# Author: ali <mohammed18200118@gmail.com>

44
codeflash/languages/javascript/mocha_runner.py
View file

@ -8,6 +8,7 @@ and converts the output to JUnit XML in Python, avoiding extra npm dependencies.
from __future__ import annotations
import json
import re
import subprocess
import time
from pathlib import Path
@ -86,7 +87,7 @@ def _ensure_runtime_files(project_root: Path) -> None:
logger.error(f"Could not install codeflash. Please install it manually: {' '.join(install_cmd)}")
def mocha_json_to_junit_xml(json_str: str, output_file: Path) -> None:
def mocha_json_to_junit_xml(json_str: str, output_file: Path, test_files: list[Path] | None = None) -> None:
"""Convert Mocha's JSON reporter output to JUnit XML.
Mocha JSON format:
@ -94,9 +95,16 @@ def mocha_json_to_junit_xml(json_str: str, output_file: Path) -> None:
Each test object has: fullTitle, title, duration, err, ...
Mocha's JSON reporter does NOT include a ``file`` field on test objects,
so we accept the known ``test_files`` list from the caller and set the
``file`` attribute on testcase/testsuite elements. This allows
``parse_jest_test_xml()`` to resolve the test file via its ``file``
attribute lookup path.
Args:
json_str: JSON string from Mocha's --reporter json output.
output_file: Path to write the JUnit XML file.
test_files: Optional list of test file paths that were passed to Mocha.
"""
try:
@ -125,11 +133,35 @@ def mocha_json_to_junit_xml(json_str: str, output_file: Path) -> None:
suite_name = suite_name or "root"
suites.setdefault(suite_name, []).append(test)
# Build a mapping from describe block names to file paths by reading test files.
# Each generated test file wraps tests in describe('functionName', ...) so we
# can map suite names back to their source file.
suite_to_file: dict[str, str] = {}
if test_files:
for tf in test_files:
suite_to_file[tf.name] = str(tf)
# Try to extract the top-level describe name from the file content
try:
content = tf.read_text(encoding="utf-8")
m = re.search(r"describe\s*\(\s*['\"]([^'\"]+)['\"]", content)
if m:
suite_to_file[m.group(1)] = str(tf)
except Exception:
pass
# Fallback: if we have test files, use the first one as default for any unmatched suites
default_file = str(test_files[0]) if test_files else ""
for suite_name, suite_tests in suites.items():
testsuite = SubElement(testsuites, "testsuite")
testsuite.set("name", suite_name)
testsuite.set("tests", str(len(suite_tests)))
# Resolve file path: try suite name match, then use default
resolved_file = suite_to_file.get(suite_name, default_file)
if resolved_file:
testsuite.set("file", resolved_file)
suite_failures = 0
suite_time = 0.0
@ -140,6 +172,9 @@ def mocha_json_to_junit_xml(json_str: str, output_file: Path) -> None:
duration_ms = test.get("duration", 0) or 0
duration_s = duration_ms / 1000.0
testcase.set("time", str(duration_s))
if resolved_file:
testcase.set("file", resolved_file)
suite_time += duration_s
err = test.get("err", {})
@ -292,6 +327,7 @@ def _run_mocha_and_convert(
result_file_path: Path,
subprocess_timeout: int,
label: str,
test_files: list[Path] | None = None,
) -> subprocess.CompletedProcess:
"""Run Mocha subprocess, extract JSON output, and convert to JUnit XML.
@ -302,6 +338,7 @@ def _run_mocha_and_convert(
result_file_path: Path to write JUnit XML.
subprocess_timeout: Timeout in seconds.
label: Label for log messages (e.g. "behavioral", "benchmarking").
test_files: Test file paths passed to Mocha (for file attribute in XML).
Returns:
CompletedProcess with combined stdout/stderr.
@ -343,7 +380,7 @@ def _run_mocha_and_convert(
if result.stdout:
mocha_json = _extract_mocha_json(result.stdout)
if mocha_json:
mocha_json_to_junit_xml(mocha_json, result_file_path)
mocha_json_to_junit_xml(mocha_json, result_file_path, test_files=test_files)
logger.debug(f"Converted Mocha JSON to JUnit XML: {result_file_path}")
else:
logger.warning(f"Could not extract Mocha JSON from stdout (len={len(result.stdout)})")
@ -414,6 +451,7 @@ def run_mocha_behavioral_tests(
result_file_path=result_file_path,
subprocess_timeout=subprocess_timeout,
label="behavioral",
test_files=test_files,
)
finally:
wall_clock_ns = time.perf_counter_ns() - start_time_ns
@ -515,6 +553,7 @@ def run_mocha_benchmarking_tests(
result_file_path=result_file_path,
subprocess_timeout=total_timeout,
label="benchmarking",
test_files=test_files,
)
finally:
wall_clock_seconds = time.time() - total_start_time
@ -589,6 +628,7 @@ def run_mocha_line_profile_tests(
result_file_path=result_file_path,
subprocess_timeout=subprocess_timeout,
label="line_profile",
test_files=test_files,
)
finally:
wall_clock_ns = time.perf_counter_ns() - start_time_ns

7
codeflash/languages/javascript/support.py
View file

@ -1970,6 +1970,13 @@ class JavaScriptSupport:
# Ensure vitest imports are present when using vitest framework
generated_test_source = ensure_vitest_imports(generated_test_source, test_cfg.test_framework)
# For Mocha: convert expect()/test() to assert/it() BEFORE instrumentation
# to prevent instrumentation from breaking Chai-style assertion chains
if test_cfg.test_framework == "mocha":
from codeflash.languages.javascript.edit_tests import sanitize_mocha_imports
generated_test_source = sanitize_mocha_imports(generated_test_source)
# Instrument for behavior verification (writes to SQLite)
instrumented_behavior_test_source = instrument_generated_js_test(
test_code=generated_test_source, function_to_optimize=function_to_optimize, mode=TestingMode.BEHAVIOR

4
packages/codeflash/package-lock.json generated
View file

@ -1,12 +1,12 @@
{
"name": "codeflash",
"version": "0.9.0",
"version": "0.10.1",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "codeflash",
"version": "0.9.0",
"version": "0.10.1",
"hasInstallScript": true,
"license": "MIT",
"dependencies": {

102
tests/test_languages/test_mocha_runner.py
View file

@ -147,6 +147,108 @@ class TestMochaJsonToJunitXml:
assert "suite A" in suite_names
assert "suite B" in suite_names
def test_file_attribute_set_from_test_files(self):
"""When test_files are passed, the file attribute should be set on testcase elements."""
from codeflash.languages.javascript.mocha_runner import mocha_json_to_junit_xml
mocha_json = json.dumps(
{
"stats": {"tests": 2, "passes": 2, "failures": 0, "duration": 50},
"tests": [
{"title": "test1", "fullTitle": "escapeHtml test1", "duration": 10, "err": {}},
{"title": "test2", "fullTitle": "escapeHtml test2", "duration": 20, "err": {}},
],
"passes": [],
"failures": [],
"pending": [],
}
)
with tempfile.TemporaryDirectory() as tmpdir:
tmpdir_path = Path(tmpdir)
# Create a test file whose describe block matches the suite name
test_file = tmpdir_path / "test_escapeHtml__unit_test_0.test.js"
test_file.write_text(
"const assert = require('node:assert/strict');\n"
"const escapeHtml = require('../index.js');\n"
"describe('escapeHtml', () => {\n"
" it('test1', () => { assert.ok(true); });\n"
" it('test2', () => { assert.ok(true); });\n"
"});\n",
encoding="utf-8",
)
output_file = tmpdir_path / "results.xml"
mocha_json_to_junit_xml(mocha_json, output_file, test_files=[test_file])
# Parse the XML and verify file attributes
import xml.etree.ElementTree as ET
tree = ET.parse(output_file)
root = tree.getroot()
testcases = root.findall(".//testcase")
assert len(testcases) == 2
for tc in testcases:
assert tc.get("file") == str(test_file)
def test_file_attribute_uses_default_when_no_describe_match(self):
"""When describe name doesn't match, the default (first) test file should be used."""
from codeflash.languages.javascript.mocha_runner import mocha_json_to_junit_xml
mocha_json = json.dumps(
{
"stats": {"tests": 1, "passes": 1, "failures": 0, "duration": 10},
"tests": [
{"title": "test1", "fullTitle": "someOtherSuite test1", "duration": 10, "err": {}},
],
"passes": [],
"failures": [],
"pending": [],
}
)
with tempfile.TemporaryDirectory() as tmpdir:
tmpdir_path = Path(tmpdir)
test_file = tmpdir_path / "test.test.js"
test_file.write_text("// no describe block", encoding="utf-8")
output_file = tmpdir_path / "results.xml"
mocha_json_to_junit_xml(mocha_json, output_file, test_files=[test_file])
import xml.etree.ElementTree as ET
tree = ET.parse(output_file)
testcases = tree.getroot().findall(".//testcase")
assert len(testcases) == 1
assert testcases[0].get("file") == str(test_file)
def test_no_file_attribute_when_no_test_files(self):
"""When test_files is not passed, no file attribute should be set."""
from codeflash.languages.javascript.mocha_runner import mocha_json_to_junit_xml
mocha_json = json.dumps(
{
"stats": {"tests": 1, "passes": 1, "failures": 0, "duration": 10},
"tests": [
{"title": "test1", "fullTitle": "suite test1", "duration": 10, "err": {}},
],
"passes": [],
"failures": [],
"pending": [],
}
)
with tempfile.TemporaryDirectory() as tmpdir:
output_file = Path(tmpdir) / "results.xml"
mocha_json_to_junit_xml(mocha_json, output_file)
import xml.etree.ElementTree as ET
tree = ET.parse(output_file)
testcases = tree.getroot().findall(".//testcase")
assert len(testcases) == 1
assert testcases[0].get("file") is None
class TestExtractMochaJson:
"""Tests for extracting Mocha JSON from mixed stdout."""