Re: [rspec-users] Noob syntax questions regarding rspec book...
On Thu, Jul 9, 2009 at 12:43 AM, internetchrisch...@silhouettesolutions.net wrote: Hey everyone, I appreciate the replies. After I posted I realized I was looking at ruby code. It seems this is where my learning curve is going to take a leap. I understand Rails, I am starting to understand Rspec and Cucumber, and I understand programming. This is my second language, but it's the first time I have had to learn something new. I come from a foxpro background and it seems I need to dig into the Ruby language a little more. I keep forgetting that Rails is simply a framework and not the language - the same is true for Rspec. I hope to laugh at my mistakes in a year or two :-) And I tend to think of regular expressions as a language within a language. Lot's of programming languages incorporate regular expressions with slight variations. -- Rick DeNatale Blog: http://talklikeaduck.denhaven2.com/ Twitter: http://twitter.com/RickDeNatale WWR: http://www.workingwithrails.com/person/9021-rick-denatale LinkedIn: http://www.linkedin.com/in/rickdenatale ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
Hey everyone, I appreciate the replies. After I posted I realized I was looking at ruby code. It seems this is where my learning curve is going to take a leap. I understand Rails, I am starting to understand Rspec and Cucumber, and I understand programming. This is my second language, but it's the first time I have had to learn something new. I come from a foxpro background and it seems I need to dig into the Ruby language a little more. I keep forgetting that Rails is simply a framework and not the language - the same is true for Rspec. I hope to laugh at my mistakes in a year or two :-) Thanks! Chris Sund On Jul 7, 9:49 am, ssmithstone stephen.smithst...@gmail.com wrote: I to am in the same situation and the meaning of the /^ $/ is a regular expression so it matches yours features so in your features is you do Give some random text I guess some more random test the code would run against that given method, hope that makes sense and that's my view of the code On Jul 7, 4:35 pm, Chris Sund ch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| @messenger.string.split(\n).should include(mark) end Thank You! Chris ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
In addition - Ben thanks for the link, I just checked it out. Rubular seems like an awesome little tool and I will bookmark the page. I really appreciate all of the help and hope I can return the favor one day. Thanks! Chris On Jul 8, 10:43 pm, internetchris ch...@silhouettesolutions.net wrote: Hey everyone, I appreciate the replies. After I posted I realized I was looking at ruby code. It seems this is where my learning curve is going to take a leap. I understand Rails, I am starting to understand Rspec and Cucumber, and I understand programming. This is my second language, but it's the first time I have had to learn something new. I come from a foxpro background and it seems I need to dig into the Ruby language a little more. I keep forgetting that Rails is simply a framework and not the language - the same is true for Rspec. I hope to laugh at my mistakes in a year or two :-) Thanks! Chris Sund On Jul 7, 9:49 am, ssmithstone stephen.smithst...@gmail.com wrote: I to am in the same situation and the meaning of the /^ $/ is a regular expression so it matches yours features so in your features is you do Give some random text I guess some more random test the code would run against that given method, hope that makes sense and that's my view of the code On Jul 7, 4:35 pm, Chris Sund ch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| @messenger.string.split(\n).should include(mark) end Thank You! Chris ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
They are regex. On Jul 7, 2009, at 10:35 AM, Chris Sund wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| @messenger.string.split(\n).should include(mark) end Thank You! Chris ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
On Tue, Jul 7, 2009 at 10:35 AM, Chris Sundch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. Hey Chris, The book assumes a basic working knowledge of Ruby. The questions you are asking are about Ruby, not about RSpec or Cucumber. I'll answer them for you here, but I don't think this is appropriate or necessary for the book itself. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? The argument to Given is a regular expression. The . means any character, so (. . . .) means any four characters with spaces in between. There are certainly more specific and fool-proof ways we could express this, but this is a very simple way, and works just fine in the context of a cucumber step definition. 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? The . means any character and the * means any number of times. 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end You're correct - code.split converts r y g c to ['r', 'y', 'g', 'c'], which is what the game wants to receive (an array, rather than a string). 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| �...@messenger.string.split(\n).should include(mark) end The @messenger is a StringIO object. It receives puts() statements and adds them to it's string attribute with a line break (\n) at the end so if you do this: @messenger.puts a @messenger.puts b Then the result of @messenger.string is a\nb\n Splitting that on \n results in [a,b], which allows you to ask if that result includes a, for example: @messenger.split(\n).include?(a) Which can be expressed as an expectation in RSpec like this: @messenger.split(\n).should include(a) HTH, David Thank You! Chris ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
On Tue, Jul 7, 2009 at 11:35 AM, Chris Sundch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? Yes it actually means something. the stuff between // is a regular expression, and some of the characters have meaning. ^ means the beginning of the string $ means the end of the string Each . will mark a single character, any character will do. The parens mark a group, the part of the string which marks the group will be assigned to the code parameter. So when the whole regex matches code will be set to the four characters of the code separated by spaces. 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? it means zero or more arbitrary characters 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end There isn't a variable named guess here. As I said in answer to the first question, if the story says When I guess 1 3 4 2 then when the step is executed the code parameter to the block will be set to 1 3 4 2 and 1 3 4 2.split gives [1, 3, 4, 2] 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| �...@messenger.string.split(\n).should include(mark) end \n is a ruby string literal representing a new-line, so @messenger.string.split(\n) results in an array comprising each line within @messenger.string -- Rick DeNatale Blog: http://talklikeaduck.denhaven2.com/ Twitter: http://twitter.com/RickDeNatale WWR: http://www.workingwithrails.com/person/9021-rick-denatale LinkedIn: http://www.linkedin.com/in/rickdenatale ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
Rick DeNatale wrote: On Tue, Jul 7, 2009 at 11:35 AM, Chris Sundch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? Yes it actually means something. the stuff between // is a regular expression, and some of the characters have meaning. ^ means the beginning of the string $ means the end of the string Each . will mark a single character, any character will do. The parens mark a group, the part of the string which marks the group will be assigned to the code parameter. So when the whole regex matches code will be set to the four characters of the code separated by spaces. 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? it means zero or more arbitrary characters 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end There isn't a variable named guess here. As I said in answer to the first question, if the story says When I guess 1 3 4 2 then when the step is executed the code parameter to the block will be set to 1 3 4 2 and 1 3 4 2.split gives [1, 3, 4, 2] 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| @messenger.string.split(\n).should include(mark) end \n is a ruby string literal representing a new-line, so @messenger.string.split(\n) results in an array comprising each line within @messenger.string Chris, FYI, a good resource to learn and play around with reg exps in ruby is: http://rubular.com/ -Ben ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
Re: [rspec-users] Noob syntax questions regarding rspec book...
I to am in the same situation and the meaning of the /^ $/ is a regular expression so it matches yours features so in your features is you do Give some random text I guess some more random test the code would run against that given method, hope that makes sense and that's my view of the code On Jul 7, 4:35 pm, Chris Sund ch...@silhouettesolutions.net wrote: Hey Everyone, I've been working my way through the Rspec book trying to absorb and understand everything. This is my first time with BDD and I'm just trying to figure out some simple syntax stuff. My questions revolve around some of the syntaxing used in the book. These are really simple questions. 1.) Given /^the secret code is (. . . .)$/ do |code| Is (. . . .) simply a place holder? could I use something like (- - - -) instead, or does it actually mean something? 2.) Then /^the mark should be (.*)$/ do |mark| Similar questionwhat does .* represent? 3.) In the following example why don't I pass |guess| to the When statement? I'm sure it has something to do with the (code.split) syntax, I'm just not sure what. When /^I guess (. . . .)$/ do |code| @game.guess(code.split) end 4.) And finally what does (\n) do? Then /^the mark should be (.*)$/ do |mark| @messenger.string.split(\n).should include(mark) end Thank You! Chris ___ rspec-users mailing list rspec-us...@rubyforge.orghttp://rubyforge.org/mailman/listinfo/rspec-users ___ rspec-users mailing list rspec-users@rubyforge.org http://rubyforge.org/mailman/listinfo/rspec-users
