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Pass source file #31

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99cea30
Add unit test for passing source file in replacement
seanzarrin Jan 13, 2015
3a3aefe
Pass src file to replacement function
seanzarrin Jan 13, 2015
17d0079
Use data object passed to function
seanzarrin Jan 13, 2015
31ffc29
Make srcFile variable consistent
seanzarrin Jan 13, 2015
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35 changes: 18 additions & 17 deletions lib/grunt-text-replace.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,7 @@ exports.replace = function (settings) {

exports.replaceText = function (settings) {
var text = settings.text;
var replacements = settings.replacements;
return gruntTextReplace.replaceTextMultiple(text, replacements);
return gruntTextReplace.replaceTextMultiple(text, settings);
}

exports.replaceFile = function (settings) {
Expand Down Expand Up @@ -46,26 +45,27 @@ gruntTextReplace = {
if (isReplacementRequired) {
grunt.file.copy(pathToSourceFile, pathToDestinationFile, {
process: function (text) {
return gruntTextReplace.replaceTextMultiple(text, replacements);
return gruntTextReplace.replaceTextMultiple(text, settings);
}
});
}
},

replaceTextMultiple: function (text, replacements) {
return replacements.reduce(function (newText, replacement) {
replaceTextMultiple: function (text, settings) {
return settings.replacements.reduce(function (newText, replacement) {
return gruntTextReplace.replaceText({
text: newText,
from: replacement.from,
to: replacement.to
to: replacement.to,
src: settings.src
});
}, text);
},

replaceText: function (settings) {
var text = settings.text;
var from = this.convertPatternToRegex(settings.from);
var to = this.expandReplacement(settings.to);
var to = this.expandReplacement(settings.to, settings.src);
return text.replace(from, to);
},

Expand Down Expand Up @@ -139,25 +139,26 @@ gruntTextReplace = {
return pattern;
},

expandReplacement: function (replacement) {
expandReplacement: function (replacement, src) {
if (typeof replacement === 'function') {
return this.expandFunctionReplacement(replacement);
return this.expandFunctionReplacement(replacement, src);
} else if (typeof replacement === 'string') {
return this.expandStringReplacement(replacement);
} else {
return gruntTextReplace.expandNonStringReplacement(replacement);
}
},

expandFunctionReplacement: function (replacement) {
expandFunctionReplacement: function (replacement, src) {
return function () {
var matchedSubstring = arguments[0];
var index = arguments[arguments.length - 2];
var fullText = arguments[arguments.length - 1];
var regexMatches = Array.prototype.slice.call(arguments, 1,
arguments.length - 2);
var returnValue = replacement(matchedSubstring, index, fullText,
regexMatches);
var data = {
matchedWord: arguments[0],
index: arguments[arguments.length - 2],
fullText: arguments[arguments.length - 1],
regexMatches: Array.prototype.slice.call(arguments, 1, arguments.length - 2),
src: src
};
var returnValue = replacement(data);
return (typeof returnValue === 'string') ?
gruntTextReplace.processGruntTemplate(returnValue) :
gruntTextReplace.expandNonStringReplacement(returnValue);
Expand Down
78 changes: 71 additions & 7 deletions test/text-replace-unit-tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -65,31 +65,66 @@ exports.textReplace = {

'Test function replacements': function (test) {
test.equal(replaceText('Hello world', 'world',
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return new Array(4).join(matchedWord);
}), 'Hello worldworldworld');
test.equal(replaceText('Hello world', 'world',
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return index;
}), 'Hello 6');
test.equal(replaceText('Hello world', 'Hello',
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return index;
}), '0 world');
test.equal(replaceText('Hello world', 'foo',
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return index;
}), 'Hello world');
test.equal(replaceText('Hello world', 'world',
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return fullText;
}), 'Hello Hello world');
test.equal(replaceText('Hello world', /(Hello) (world)/g,
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return 'Place: ' + regexMatches[1] + ', Greeting: ' + regexMatches[0];
}), 'Place: world, Greeting: Hello');
test.equal(replaceText('Hello world', /(Hello) (world)/g,
function (matchedWord, index, fullText, regexMatches) {
function (data) {
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;
return regexMatches[0] + ' <%= grunt.template.date("20 Nov 2012 11:30:00 GMT", "dd/mm/yy") %>';
}), 'Hello 20/11/12');
test.done();
Expand Down Expand Up @@ -124,13 +159,15 @@ exports.textReplace = {
setUp: function (done) {
grunt.file.copy('test/text_files/test.txt', 'test/temp/testA.txt');
grunt.file.copy('test/text_files/test.txt', 'test/temp/testB.txt');
grunt.file.copy('test/text_files/test.txt', 'test/temp/testC.txt');
sinon.spy(grunt.file, "copy");
done();
},

tearDown: function (done) {
fs.unlinkSync('test/temp/testA.txt');
fs.unlinkSync('test/temp/testB.txt');
fs.unlinkSync('test/temp/testC.txt');
fs.rmdirSync('test/temp');
grunt.file.copy.restore();
done();
Expand Down Expand Up @@ -194,6 +231,33 @@ exports.textReplace = {
test.equal(replacedTextA, 'Hello planet');
test.equal(replacedTextB, 'Hello planet');
test.done();
},

'Test file gets changed according to src file': function (test) {
var originalTextA, originalTextC, replacedTextA, replacedTextB;
originalTextA = grunt.file.read('test/temp/testA.txt');
originalTextC = grunt.file.read('test/temp/testC.txt');
replaceFileMultiple(['test/temp/testA.txt', 'test/temp/testC.txt'], 'test/temp/', [{from: 'world',
to: function(data){
var matchedWord = data.matchedWord,
index = data.index,
fullText = data.fullText,
regexMatches = data.regexMatches,
srcFile = data.src;

if(srcFile === 'test/temp/testC.txt'){
return 'planet';
}
else{
return matchedWord;
}
}
}]);
replacedTextA = grunt.file.read('test/temp/testA.txt');
replacedTextC = grunt.file.read('test/temp/testC.txt');
test.equal(originalTextA, replacedTextA);
test.equal('Hello planet', replacedTextC);
test.done();
}

}
Expand Down