Skip to content

Commit

Permalink
Fix assert.js code style
Browse files Browse the repository at this point in the history
  • Loading branch information
ry committed Dec 29, 2009
1 parent 0d7e88a commit dd35637
Showing 2 changed files with 247 additions and 217 deletions.
311 changes: 156 additions & 155 deletions lib/assert.js
Original file line number Diff line number Diff line change
@@ -36,32 +36,38 @@ var assert = exports;
// new assert.AssertionError({message: message, actual: actual, expected: expected})

assert.AssertionError = function AssertionError(options) {
this.name = "AssertionError";
this.message = options.message;
this.actual = options.actual;
this.expected = options.expected;
this.operator = options.operator;
//v8 specific
if(Error.captureStackTrace){
Error.captureStackTrace(this,fail);
//node specific, removes the node machinery stack frames
if(typeof(__filename) !== undefined){
var stack = this.stack.split('\n');
for (var i = stack.length - 1; i >= 0; i--) {
if(stack[i].indexOf(__filename) != -1){
this.stack = stack.slice(0,i+2).join('\n');
break;
}
}
this.name = "AssertionError";
this.message = options.message;
this.actual = options.actual;
this.expected = options.expected;
this.operator = options.operator;

//v8 specific
if (Error.captureStackTrace) {
Error.captureStackTrace(this, fail);
//node specific, removes the node machinery stack frames
if (typeof(__filename) !== undefined) {
var stack = this.stack.split('\n');
for (var i = stack.length - 1; i >= 0; i--) {
if (stack[i].indexOf(__filename) != -1) {
this.stack = stack.slice(0, i+2).join('\n');
break;
}
}
}
}
};

assert.AssertionError.prototype.toString = function(){
if(this.message)
return [this.name+":", this.message].join(' ');
else
return [this.name+":", JSON.stringify(this.expected ), this.operator , JSON.stringify(this.actual)].join(" ");
assert.AssertionError.prototype.toString = function() {
if (this.message) {
return [this.name+":", this.message].join(' ');
} else {
return [ this.name+":"
, JSON.stringify(this.expected )
, this.operator
, JSON.stringify(this.actual)
].join(" ");
}
}

// assert.AssertionError instanceof Error
@@ -80,12 +86,12 @@ assert.AssertionError.__proto__ = Error.prototype;
// display purposes.

function fail(actual, expected, message, operator) {
throw new assert.AssertionError({
message: message,
actual: actual,
expected: expected,
operator: operator
});
throw new assert.AssertionError({
message: message,
actual: actual,
expected: expected,
operator: operator
});
}

// EXTENSION! allows for well behaved errors defined elsewhere.
@@ -99,188 +105,183 @@ assert.fail = fail;
// assert.strictEqual(true, guard, message_opt);.

assert.ok = function ok(value, message) {
if (!!!value)
fail(value, true, message, "==");
if (!!!value) fail(value, true, message, "==");
};

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

assert.equal = function equal(actual, expected, message) {
if (actual != expected)
fail(actual, expected, message, "==");
if (actual != expected) fail(actual, expected, message, "==");
};


// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);

assert.notEqual = function notEqual(actual, expected, message) {
if (actual == expected)
fail(actual, expected, message, "!=");
if (actual == expected) fail(actual, expected, message, "!=");
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);

exports.deepEqual = function deepEqual(actual, expected, message) {
if (!_deepEqual(actual, expected))
fail(actual, expected, message, "deepEqual");
if (!_deepEqual(actual, expected)) {
fail(actual, expected, message, "deepEqual");
}
};

function _deepEqual(actual, expected) {
// 7.1. All identical values are equivalent, as determined by ===.
if (actual === expected) {
return true;

// 7.2. If the expected value is a Date object, the actual value is
// equivalent if it is also a Date object that refers to the same time.
} else if (actual instanceof Date
&& expected instanceof Date) {
return actual.getTime() === expected.getTime();

// 7.3. Other pairs that do not both pass typeof value == "object",
// equivalence is determined by ==.
} else if (typeof actual != 'object'
&& typeof expected != 'object') {
return actual == expected;

// 7.4. For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical "prototype" property. Note: this
// accounts for both named and indexed properties on Arrays.
} else {
return objEquiv(actual, expected);
}
// 7.1. All identical values are equivalent, as determined by ===.
if (actual === expected) {
return true;

// 7.2. If the expected value is a Date object, the actual value is
// equivalent if it is also a Date object that refers to the same time.
} else if (actual instanceof Date && expected instanceof Date) {
return actual.getTime() === expected.getTime();

// 7.3. Other pairs that do not both pass typeof value == "object",
// equivalence is determined by ==.
} else if (typeof actual != 'object' && typeof expected != 'object') {
return actual == expected;

// 7.4. For all other Object pairs, including Array objects, equivalence is
// determined by having the same number of owned properties (as verified
// with Object.prototype.hasOwnProperty.call), the same set of keys
// (although not necessarily the same order), equivalent values for every
// corresponding key, and an identical "prototype" property. Note: this
// accounts for both named and indexed properties on Arrays.
} else {
return objEquiv(actual, expected);
}
}

function isUndefinedOrNull (value) {
return value === null || value === undefined;
return value === null || value === undefined;
}

function isArguments (object){
return Object.prototype.toString.call(object) == '[object Arguments]';
function isArguments (object) {
return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv (a, b) {
if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
return false;
// an identical "prototype" property.
if (a.prototype !== b.prototype) return false;
//~~~I've managed to break Object.keys through screwy arguments passing.
// Converting to array solves the problem.
if(isArguments(a)){
if(!isArguments(b)){
return false;
}
a = pSlice.call(a);
b = pSlice.call(b);
return _deepEqual(a,b);
}
try{
var ka = Object.keys(a),
kb = Object.keys(b),
key, i;
} catch (e) {//happens when one is a string literal and the other isn't
return false;
if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
return false;
// an identical "prototype" property.
if (a.prototype !== b.prototype) return false;
//~~~I've managed to break Object.keys through screwy arguments passing.
// Converting to array solves the problem.
if (isArguments(a)) {
if (!isArguments(b)) {
return false;
}
// having the same number of owned properties (keys incorporates hasOwnProperty)
if(ka.length != kb.length)
return false;
//the same set of keys (although not necessarily the same order),
ka.sort();
kb.sort();
//~~~cheap key test
for (i = ka.length - 1; i >= 0; i--) {
if(ka[i] != kb[i])
return false;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for (i = ka.length - 1; i >= 0; i--) {
key = ka[i];
if(!_deepEqual(a[key], b[key] ))
return false;
}
return true;
a = pSlice.call(a);
b = pSlice.call(b);
return _deepEqual(a, b);
}
try{
var ka = Object.keys(a),
kb = Object.keys(b),
key, i;
} catch (e) {//happens when one is a string literal and the other isn't
return false;
}
// having the same number of owned properties (keys incorporates hasOwnProperty)
if (ka.length != kb.length)
return false;
//the same set of keys (although not necessarily the same order),
ka.sort();
kb.sort();
//~~~cheap key test
for (i = ka.length - 1; i >= 0; i--) {
if (ka[i] != kb[i])
return false;
}
//equivalent values for every corresponding key, and
//~~~possibly expensive deep test
for (i = ka.length - 1; i >= 0; i--) {
key = ka[i];
if (!_deepEqual(a[key], b[key] ))
return false;
}
return true;
}

// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);

exports.notDeepEqual = function notDeepEqual(actual, expected, message) {
if (_deepEqual(actual, expected))
fail(actual, expected, message, "notDeepEqual");
if (_deepEqual(actual, expected)) {
fail(actual, expected, message, "notDeepEqual");
}
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);

assert.strictEqual = function strictEqual(actual, expected, message) {
if (actual !== expected)
fail(actual, expected, message, "===");
if (actual !== expected) fail(actual, expected, message, "===");
};

// 10. The strict non-equality assertion tests for strict inequality, as determined by !==.
// assert.notStrictEqual(actual, expected, message_opt);

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
if (actual === expected)
fail(actual, expected, message, "!==");
if (actual === expected) fail(actual, expected, message, "!==");
};

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);
function _throws (shouldThrow, block, err, message) {
var exception = null,
threw = false,
typematters = true;

assert.throws = function(block, /*optional*/error, /*optional*/message){
var args = [true]
_throws.apply(this, args.concat(pSlice.call(arguments)));
}
message = message || "";

// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message){
var args = [false]
_throws.apply(this, args.concat(pSlice.call(arguments)));
//handle optional arguments
if (arguments.length == 3) {
if (typeof(err) == "string") {
message = err;
typematters = false;
}
} else if (arguments.length == 2) {
typematters = false;
}

try {
block();
} catch (e) {
threw = true;
exception = e;
}

if (shouldThrow && !threw) {
fail( "Missing expected exception"
+ (err && err.name ? " ("+err.name+")." : '.')
+ (message ? " " + message : "")
);
}
if (!shouldThrow && threw && typematters && exception instanceof err) {
fail( "Got unwanted exception"
+ (err && err.name ? " ("+err.name+")." : '.')
+ (message ? " " + message : "")
);
}
if ((shouldThrow && threw && typematters && !(exception instanceof err)) ||
(!shouldThrow && threw)) {
throw exception;
}
}

var _throws = function (shouldThrow, block, err, message) {
var exception = null
threw = false
typematters = true;
message = message || "";

//handle optional arguments
if(arguments.length == 3){
if(typeof(err) == "string"){
message = err;
typematters = false;
}
} else if(arguments.length == 2) {
typematters = false;
}
// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);

try {
block();
} catch (e) {
threw = true;
exception = e;
}
assert.throws = function(block, /*optional*/error, /*optional*/message) {
_throws.apply(this, [true].concat(pSlice.call(arguments)));
};

if(shouldThrow && !threw){
fail("Missing expected exception"+
(err && err.name ? " ("+err.name+")." : '.') +
(message ? " " + message : ""));
}
if(!shouldThrow && threw && typematters && exception instanceof err){
fail("Got unwanted exception" +
(err && err.name ? " ("+err.name+")." : '.') +
(message ? " " + message : ""));
}
if((shouldThrow && threw && typematters && !(exception instanceof err)) ||
(!shouldThrow && threw)){
throw exception;
}
// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
_throws.apply(this, [false].concat(pSlice.call(arguments)));
};
Loading

0 comments on commit dd35637

Please sign in to comment.