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fix: Flag assert.equal in module hooks in no-assert-equal rule #570

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Merged
merged 4 commits into from
Jul 15, 2025
Merged

fix: Flag assert.equal in module hooks in no-assert-equal rule #570

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d0b09e2
Updated no-assert-equal rule to also catch assert.equal in module hooks
Jul 11, 2025
8e8b956
Remove parser option
Jul 11, 2025
153ea98
Fix type checks
Jul 14, 2025
c7ec4fd
Remove detecting after and before
Jul 15, 2025
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44 changes: 44 additions & 0 deletions lib/rules/no-assert-equal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -159,6 +159,41 @@ module.exports = {
});
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {boolean}
*/
function isModuleHookCallback(propertyNode) {
return (
propertyNode.parent &&
propertyNode.parent.type === "Property" &&
utils.isModuleHookPropertyKey(propertyNode.parent.key) &&
utils.isInModule(propertyNode.parent)
);
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {void}
*/
function pushModuleHookAssert(propertyNode) {
if (isModuleHookCallback(propertyNode)) {
testStack.push({
assertVar: utils.getAssertContextName(propertyNode),
});
}
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {void}
*/
function popModuleHookAssert(propertyNode) {
if (isModuleHookCallback(propertyNode)) {
testStack.pop();
}
}

return {
CallExpression: function (node) {
/* istanbul ignore else: correctly does nothing */
Expand Down Expand Up @@ -188,6 +223,15 @@ module.exports = {
testStack.pop();
}
},

FunctionDeclaration: pushModuleHookAssert,
FunctionExpression: pushModuleHookAssert,
ArrowFunctionExpression: pushModuleHookAssert,

"FunctionDeclaration:exit": popModuleHookAssert,
"FunctionExpression:exit": popModuleHookAssert,
"ArrowFunctionExpression:exit": popModuleHookAssert,

Program: function (node) {
// Gather all calls to global `equal()`.
/* istanbul ignore next: deprecated code paths only followed by old eslint versions */
Expand Down
18 changes: 2 additions & 16 deletions lib/rules/no-qunit-start-in-tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -51,20 +51,6 @@ module.exports = {
);
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {boolean}
*/
function isInModule(propertyNode) {
return (
propertyNode &&
propertyNode.parent && // ObjectExpression
propertyNode.parent.parent && // CallExpression?
propertyNode.parent.parent.type === "CallExpression" &&
utils.isModule(propertyNode.parent.parent.callee)
);
}

//----------------------------------------------------------------------
// Public
//----------------------------------------------------------------------
Expand Down Expand Up @@ -93,7 +79,7 @@ module.exports = {
Property: function (node) {
if (
utils.isModuleHookPropertyKey(node.key) &&
isInModule(node) &&
utils.isInModule(node) &&
node.key.type === "Identifier"
) {
contextStack.push(`${node.key.name} hook`);
Expand All @@ -109,7 +95,7 @@ module.exports = {
"Property:exit": function (node) {
if (
utils.isModuleHookPropertyKey(node.key) &&
isInModule(node)
utils.isInModule(node)
) {
contextStack.pop();
}
Expand Down
16 changes: 1 addition & 15 deletions lib/rules/no-setup-teardown.js
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Original file line number Diff line number Diff line change
Expand Up @@ -68,25 +68,11 @@ module.exports = {
}
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {boolean}
*/
function isInModule(propertyNode) {
return (
propertyNode &&
propertyNode.parent && // ObjectExpression
propertyNode.parent.parent && // CallExpression?
propertyNode.parent.parent.type === "CallExpression" &&
utils.isModule(propertyNode.parent.parent.callee)
);
}

return {
Property: function (node) {
if (
utils.isModuleHookPropertyKey(node.key) &&
isInModule(node)
utils.isInModule(node)
) {
checkModuleHook(node);
}
Expand Down
18 changes: 2 additions & 16 deletions lib/rules/resolve-async.js
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Original file line number Diff line number Diff line change
Expand Up @@ -159,20 +159,6 @@ module.exports = {
}
}

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {boolean}
*/
function isInModule(propertyNode) {
return (
propertyNode &&
propertyNode.parent && // ObjectExpression
propertyNode.parent.parent && // CallExpression?
propertyNode.parent.parent.type === "CallExpression" &&
utils.isModule(propertyNode.parent.parent.callee)
);
}

return {
CallExpression: function (node) {
const callbackVar = getAsyncCallbackVarOrNull(node.callee);
Expand Down Expand Up @@ -213,7 +199,7 @@ module.exports = {
Property: function (node) {
if (
utils.isModuleHookPropertyKey(node.key) &&
isInModule(node)
utils.isInModule(node)
) {
asyncStateStack.push({
stopSemaphoreCount: 0,
Expand All @@ -228,7 +214,7 @@ module.exports = {
"Property:exit": function (node) {
if (
utils.isModuleHookPropertyKey(node.key) &&
isInModule(node)
utils.isInModule(node)
) {
const asyncState = asyncStateStack.pop();
if (!asyncState) {
Expand Down
14 changes: 14 additions & 0 deletions lib/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,20 @@ exports.isModule = function (calleeNode) {
return result;
};

/**
* @param {import('eslint').Rule.Node} propertyNode
* @returns {boolean}
*/
exports.isInModule = function (propertyNode) {
return (
propertyNode &&
propertyNode.parent && // ObjectExpression
propertyNode.parent.parent && // CallExpression?
propertyNode.parent.parent.type === "CallExpression" &&
exports.isModule(propertyNode.parent.parent.callee)
);
};

/**
* @param {import('estree').Node} identifierNode
* @returns {boolean}
Expand Down
24 changes: 24 additions & 0 deletions tests/lib/rules/no-assert-equal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -184,5 +184,29 @@ ruleTester.run("no-assert-equal", rule, {
},
],
},
{
// assert.equal in module hooks
code: "QUnit.module('My module', { beforeEach: function (assert) { assert.equal(1, 1); } });",
errors: [
{
messageId: "unexpectedAssertEqual",
data: { assertVar: "assert" },
suggestions: [
{
messageId: "switchToDeepEqual",
output: "QUnit.module('My module', { beforeEach: function (assert) { assert.deepEqual(1, 1); } });",
},
{
messageId: "switchToPropEqual",
output: "QUnit.module('My module', { beforeEach: function (assert) { assert.propEqual(1, 1); } });",
},
{
messageId: "switchToStrictEqual",
output: "QUnit.module('My module', { beforeEach: function (assert) { assert.strictEqual(1, 1); } });",
},
],
},
],
},
],
});