ported all samples to coffeescript

@@ -74,7 +74,7 @@ if (!phantom.casperLoaded) {
     phantom.sourceIds = {};
     phantom.sourceIds = {};
 
 
     phantom.getErrorMessage = function(e) {
     phantom.getErrorMessage = function(e) {
-        return (e.fileName || phantom.sourceIds[e.sourceId]) + ':' + e.line + ' ' + e;
+        return (e.fileName || this.sourceIds[e.sourceId]) + ':' + e.line + ' ' + e;
     };
     };
 
 
     phantom.getScriptCode = function(file, onError) {
     phantom.getScriptCode = function(file, onError) {
@@ -83,7 +83,7 @@ if (!phantom.casperLoaded) {
             try {
             try {
                 scriptCode = CoffeeScript.compile(scriptCode);
                 scriptCode = CoffeeScript.compile(scriptCode);
             } catch (e) {
             } catch (e) {
-                phantom.processScriptError(e, file, onError);
+                this.processScriptError(e, file, onError);
             }
             }
         }
         }
         // trick to locate source file location on error
         // trick to locate source file location on error
@@ -94,8 +94,8 @@ if (!phantom.casperLoaded) {
     };
     };
 
 
     phantom.processScriptError = function(error, file, callback) {
     phantom.processScriptError = function(error, file, callback) {
-        if (!phantom.sourceIds.hasOwnProperty(error.sourceId)) {
-            phantom.sourceIds[error.sourceId] = file;
+        if (!this.sourceIds.hasOwnProperty(error.sourceId)) {
+            this.sourceIds[error.sourceId] = file;
         }
         }
         if (error.message === "__sourceId__") {
         if (error.message === "__sourceId__") {
             return;
             return;
@@ -103,8 +103,8 @@ if (!phantom.casperLoaded) {
         if (typeof callback === "function") {
         if (typeof callback === "function") {
             callback(error, file);
             callback(error, file);
         } else {
         } else {
-            console.error(phantom.getErrorMessage(error));
-            phantom.exit(1);
+            console.error(this.getErrorMessage(error));
+            this.exit(1);
         }
         }
     };
     };
 
 
@@ -194,7 +194,7 @@ if (!phantom.casperLoaded) {
         });
         });
     }
     }
 
 
-    // BC
+    // BC < 0.6
     phantom.Casper = require('casper').Casper;
     phantom.Casper = require('casper').Casper;
 
 
     // casper cli args
     // casper cli args

+""" A basic custom logging implementation. The idea is to (extremely) verbosely
+    log every received resource.
+"""
+
+casper = require('casper').create
+    # Every time a resource is received, a new log entry is added to the stack
+    # at the 'verbose' level.
+    onResourceReceived: (self, resource) ->
+        infos = []
+        props = ["url", "status", "statusText", "redirectURL", "bodySize"]
+        infos.push resource[prop] for prop in props
+        infos.push "[#{h.name}: #{h.value}]" for h in resource.headers
+        @log infos.join(', '), 'verbose'
+    verbose: true       # we want to see the log printed out to the console
+    logLevel: 'verbose' # of course we want to see logs to our new level :)
+
+
+# add a new 'verbose' logging level at the lowest priority
+casper.logLevels = ['verbose'].concat casper.logLevels
+
+# test our new logger with google
+casper.start 'http://www.google.com/'
+casper.run()

+# download the google logo image as base64
+
+casper = require('casper').create verbose: true
+
+casper.start 'http://www.google.fr/', ->
+    @echo @base64encode 'http://www.google.fr/images/srpr/logo3w.png'
+
+casper.run()
\ No newline at end of file

-var logo;
+// download the google logo image as base64
 
 
 var casper = require('casper').create({
 var casper = require('casper').create({
     verbose: true
     verbose: true
 });
 });
 
 
 casper.start('http://www.google.fr/', function(self) {
 casper.start('http://www.google.fr/', function(self) {
-    // download the google logo image as base64
-    logo = self.base64encode('http://www.google.fr/images/srpr/logo3w.png');
+    self.echo(self.base64encode('http://www.google.fr/images/srpr/logo3w.png'));
 });
 });
 
 
-casper.run(function(self) {
-    self.echo(logo).exit();
-});
+casper.run();

+casper = require('casper').create verbose: true
+
+# If we don't set a limit, it could go on forever
+upTo = ~~casper.cli.get(0) || 10  # max 10 links
+
+# Fetch all <a> elements from the page and return
+# the ones which contains a href starting with 'http://'
+searchLinks = ->
+    filter = Array::filter
+    map    = Array::map
+    links  = document.querySelectorAll 'a'
+    absolutes = filter.call links, (a) ->
+        /^http:\/\/.*/i.test a.getAttribute 'href'
+    return map.call absolutes, (a) -> a.getAttribute 'href'
+
+# The base links array
+links = [
+    'http://google.com/'
+    'http://yahoo.com/'
+    'http://bing.com/'
+]
+
+# Just opens the page and prints the title
+start = (link) -> @start link, -> @echo "Page title: #{ @getTitle() }"
+
+# Get the links, and add them to the links array
+# (It could be done all in one step, but it is intentionally splitted)
+addLinks = (link) ->
+    @then ->
+        found = @evaluate searchLinks
+        @echo "#{found.length} links found on #{link}"
+        links = links.concat found
+
+casper.start()
+
+casper.then -> @echo 'Starting'
+
+currentLink = 0;
+
+# As long as it has a next link, and is under the maximum limit, will keep running
+check = ->
+    if links[currentLink] && currentLink < upTo
+        @echo "--- Link #{currentLink} ---"
+        start.call @, links[currentLink]
+        addLinks.call @, links[currentLink]
+        currentLink++
+        @run check
+    else
+        @echo 'All done.'
+        @exit()
+
+casper.run check

+casper = require('casper').create()
+
+links = [
+    'http://google.com/'
+    'http://yahoo.com/'
+    'http://bing.com/'
+]
+
+casper.start()
+
+casper.each links, (self, link) ->
+    @thenOpen link, -> @echo "#{@getTitle()} - #{link}"
+
+casper.run()

+var casper = require('casper').create();
+
 var links = [
 var links = [
     'http://google.com/',
     'http://google.com/',
     'http://yahoo.com/',
     'http://yahoo.com/',
     'http://bing.com/'
     'http://bing.com/'
 ];
 ];
 
 
-var casper = require('casper').create();
-
 casper.start().each(links, function(self, link) {
 casper.start().each(links, function(self, link) {
     self.thenOpen(link, function(self) {
     self.thenOpen(link, function(self) {
-        self.echo(self.getTitle());
+        self.echo(self.getTitle() + ' - ' + link);
     });
     });
 });
 });
 
 

+articles = []
+CasperClass = require('casper').Casper
+
+###
+Adds two new methods to the Casper prototype: fetchTexts and renderJSON.
+###
+CasperClass.extend
+    # Adds a new navigation step for casper; basically it will:
+    #
+    # 1. open an url,
+    # 2. on loaded, will fetch all contents retrieved through the provided
+    #    CSS3 selector and return them in a formatted object.
+    fetchTexts: (location, selector) ->
+        @thenOpen location, ->
+            fetch = (selector) ->
+                elements = document.querySelectorAll(selector)
+                Array::map.call elements, (e) -> e.innerText
+            texts = @evaluate fetch, selector: selector
+            articles = articles.concat texts
+
+    # Echoes a JSON output of the fetched results and exits phantomjs.
+    renderJSON: (what) ->
+        @echo JSON.stringify what, null, '  '
+        @exit()
+
+casper = new CasperClass
+    loadImages:  false
+    loadPlugins: false
+    logLevel:    "debug"
+    verbose:     true
+
+casper.start()
+
+# all article titles are stored in <h3>
+casper.fetchTexts 'http://www.liberation.fr/', 'h3'
+
+# all article titles are stored in <h2 class="article">
+casper.fetchTexts 'http://www.lemonde.fr/', 'h2.article'
+
+casper.run -> @renderJSON articles

+getLinks = ->
+  links = document.querySelectorAll "h3.r a"
+  Array::map.call links, (e) -> e.getAttribute "href"
+
+links = []
+casper = require('casper').create()
+
+casper.start "http://google.fr/", ->
+  # search for 'casperjs' from google form
+  @fill "form[name=f]", q: "casperjs", true
+
+casper.then ->
+  # aggregate results for the 'casperjs' search
+  links = @evaluate getLinks
+  # search for 'phantomjs' from google form
+  @fill "form[name=f]", q: "phantomjs", true
+
+casper.then ->
+  # concat results for the 'phantomjs' search
+  links = links.concat @evaluate(getLinks)
+
+casper.run ->
+  # display results
+  @echo "#{links.length} links found:"
+  @echo " - " + links.join "\n - "
+  @exit()
\ No newline at end of file

+###
+Takes provided terms passed as arguments and query google for the number of
+estimated results each have.
+
+Usage:
+  $ casperjs samples/googlematch.js nicolas chuck borris
+  nicolas: 69600000
+  chuck:   49500000
+  borris:  2370000
+  winner is "nicolas" with 69600000 results
+###
+
+CasperClass = require('casper').Casper
+
+CasperClass.extend
+    fetchScore: -> @evaluate ->
+        result = document.querySelector('#resultStats').innerText
+        ~~(/Environ ([0-9\s]{1,}).*/.exec(result)[1].replace(/\s/g, ''))
+
+casper = new CasperClass verbose: true
+
+terms = casper.cli.args # terms are passed through command-line arguments
+
+if terms.length < 3
+    casper.echo 'Usage: casperjs googlematch.js term1, term2 [, term3]...'
+    casper.exit()
+
+scores = []
+
+casper.echo "Let the match begin between \"#{terms.join '", "'}\"!"
+
+casper.start "http://google.fr/"
+
+casper.each terms, (self, term) ->
+    @then -> @fill 'form[name=f]', { q: term }, true
+    @then ->
+        score = @fetchScore()
+        scores.push term: term, score: score
+        self.echo "#{term}: #{score}"
+
+casper.run ->
+    scores.sort -> (a, b) -> b.score > a.score
+    winner = scores[0]
+    @echo "Winner is #{winner.term} with #{winner.score} results"
+    @exit()

@@ -15,7 +15,7 @@ CasperClass.extend({
     fetchScore: function() {
     fetchScore: function() {
         return this.evaluate(function() {
         return this.evaluate(function() {
             var result = document.querySelector('#resultStats').innerText;
             var result = document.querySelector('#resultStats').innerText;
-            return Number(/Environ ([0-9\s]{1,}).*/.exec(result)[1].replace(/\s/g, ''));
+            return ~~(/Environ ([0-9\s]{1,}).*/.exec(result)[1].replace(/\s/g, ''));
         });
         });
     }
     }
 });
 });
@@ -47,9 +47,9 @@ casper.each(terms, function(self, term, i) {
 
 
 casper.run(function(self) {
 casper.run(function(self) {
     scores.sort(function(a, b) {
     scores.sort(function(a, b) {
-        return a.score - b.score;
+        return b.score > a.score;
     });
     });
-    var winner = scores[scores.length - 1];
+    var winner = scores[0];
     self.echo('winner is "' + winner.term + '" with ' + winner.score + ' results');
     self.echo('winner is "' + winner.term + '" with ' + winner.score + ' results');
     self.exit();
     self.exit();
 });
 });

+casper = require('casper').create logLevel: "debug"
+
+casper.start 'http://www.google.fr/', ->
+    @test.assertTitle 'Google', 'google homepage title is the one expected'
+    @test.assertExists 'form[name=f]', 'main form is found'
+    @fill 'form[name=f]', q: 'foo', true
+
+casper.then ->
+    @test.assertTitle 'foo - Recherche Google', 'google title is ok'
+    @test.assertUrlMatch /q=foo/, 'search term has been submitted'
+    test = -> __utils__.findAll('h3.r').length >= 10
+    @test.assertEval test, 'google search for "foo" retrieves 10 or more results'
+
+casper.run -> @test.renderResults true

+casper = require('casper').create verbose: true, logLevel: 'debug'
+
+casper.log 'this is a debug message', 'debug'
+casper.log 'and an informative one', 'info'
+casper.log 'and a warning', 'warning'
+casper.log 'and an error', 'error'
+
+casper.exit()

+casper = require('casper').create verbose: true
+
+countLinks = -> document.querySelectorAll('a').length
+
+suites = [
+    ->
+        @echo 'Suite 1'
+        @start 'http://google.com/', -> @echo "Page title: #{@getTitle()}"
+        @then -> @echo "#{@evaluate(countLinks)} links"
+    ->
+        @echo 'Suite 2'
+        @start 'http://yahoo.com/', -> @echo "Page title: #{@getTitle()}"
+        @then -> @echo "#{@evaluate(countLinks)} links"
+    ->
+        @echo 'Suite 3'
+        @start 'http://bing.com/', -> @echo "Page title: #{@getTitle()}"
+        @then -> @echo "#{@evaluate(countLinks)} links"
+]
+
+casper.start()
+
+casper.then -> @echo('Starting')
+
+currentSuite = 0;
+
+check = ->
+    if suites[currentSuite]
+        suites[currentSuite].call @
+        currentSuite++;
+        casper.run check
+    else
+        @echo 'All done.'
+        @exit()
+
+casper.run check

+### This script will capture a screenshot of a twitter account page
+
+    Usage $ casperjs screenshot.coffee <twitter-account>
+###
+casper = require('casper').create
+    viewportSize:
+        width: 1024
+        height: 768
+
+twitterAccount = casper.cli.get(0)
+filename = casper.cli.get(1)
+
+if not twitterAccount or not filename or not /\.(png|jpg|pdf)$/i.test(filename)
+    casper.echo "Usage $ casperjs samples/screenshot.coffee <twitter-account> <filename.[jpg|png|pdf]>"
+    casper.exit()
+
+casper.start "https://twitter.com/#!/#{twitterAccount}", ->
+    capture = ->
+        @captureSelector filename, 'html'
+        @echo "Saved screenshot of #{@getCurrentUrl()} to #{filename}"
+    @waitForSelector '.tweet-row', capture, null, 12000
+
+casper.run()

 /**
 /**
  * This script will capture a screenshot of a twitter account page
  * This script will capture a screenshot of a twitter account page
  *
  *
+ * Usage $ casperjs screenshot.coffee <twitter-account>
  */
  */
 var casper = require('casper').create({
 var casper = require('casper').create({
-    logLevel: "debug",
-    verbose: true,
     viewportSize: {
     viewportSize: {
         width: 1024,
         width: 1024,
         height: 768
         height: 768
     }
     }
 });
 });
 
 
-casper.start('https://twitter.com/#!/twilio', function(self) {
-    self.waitForSelector('.tweet-row', function(self) {
-        self.captureSelector('twitter.png', 'html');
-    }, null, 12000);
+var twitterAccount = casper.cli.get(0);
+var filename = casper.cli.get(1);
+
+if (!twitterAccount || !filename || !/\.(png|jpg|pdf)$/i.test(filename)) {
+    casper.echo("Usage $ casperjs samples/screenshot.coffee <twitter-account> <filename.[jpg|png|pdf]>");
+    casper.exit();
+}
+
+casper.start('https://twitter.com/#!/' + twitterAccount, function() {
+    this.waitForSelector('.tweet-row', function() {
+        this.captureSelector(filename, 'html');
+        this.echo("Saved screenshot of " + this.getCurrentUrl() + " to " + filename);
+    }, function() {
+        this.die('Timeout reached. Fail whale?').exit();
+    }, 12000);
 });
 });
 
 
 casper.run();
 casper.run();

+###
+This script will add a custom HTTP status code handler, here for 404 pages.
+###
+casper = require('casper').create
+    httpStatusHandlers:
+        404: (self, resource) ->
+            @echo "Resource at #{resource.url} not found (404)", "COMMENT"
+
+casper.start 'http://www.google.com/plop', ->
+    @echo 'Done.'
+    @exit()
+
+casper.run()

+failed = [];
+
+casper = require('casper').create
+    onStepTimeout: -> failed.push @requestUrl
+
+links = [
+    'http://google.com/'
+    'http://akei.com/'
+    'http://lemonde.fr/'
+    'http://liberation.fr/'
+    'http://cdiscount.fr/'
+]
+
+timeout = ~~casper.cli.get(0)
+timeout = 1000 if timeout < 1
+casper.options.stepTimeout = timeout
+
+casper.echo "Testing with timeout=#{casper.options.stepTimeout}ms."
+
+casper.start()
+
+casper.each links, (self, link) ->
+    @test.comment "Adding #{link} to test suite"
+    @thenOpen link, ->
+        if @requestUrl in failed
+            @test.fail "#{@requestUrl} loaded in less than #{timeout}ms."
+        else
+            @test.pass "#{@requestUrl} loaded in less than #{timeout}ms."
+
+casper.run -> @test.renderResults true

+###
+Just a silly game.
+
+$ casperjs samples/timeout.js 500
+Will google.com load in less than 500ms?
+NOPE.
+$ casperjs samples/timeout.js 1000
+Will google.com load in less than 1000ms?
+NOPE.
+$ casperjs samples/timeout.js 1500
+Will google.com load in less than 1500ms?
+NOPE.
+$ casperjs samples/timeout.js 2000
+Will google.com load in less than 2000ms?
+YES!
+###
+casper = require('casper').create
+    onTimeout: ->
+        @echo 'NOPE.', 'RED_BAR'
+        @exit()
+
+timeout = ~~casper.cli.get(0);
+if timeout < 1
+    casper.echo "You must pass a valid timeout value"
+    casper.exit()
+
+casper.echo "Will google.com load in less than #{timeout}ms?"
+casper.options.timeout = timeout;
+
+casper.start 'http://www.google.com/', ->
+    @echo 'YES!', 'GREEN_BAR'
+    @exit()
+
+casper.run()
\ No newline at end of file