Agile without technical practices isn't agile

Agile without technical practices isn’t agile

Individuals and interactions over processes and tools
Working software over comprehensive documentation
Customer collaboration over contract negotiation

Responding to change over NOT following a plan

Cowboy hacking

Ninja

Individuals and interactions over processes and tools
Working software over comprehensive documentation
Customer collaboration over contract negotiation

Responding to change over NOT following a plan

Cowboy hacking

Learners/
Practitioners

Ninja

require 'rspec'
require './invoice'
describe Invoice do
context 'when in draft state' do
let(:invoice) { Invoice.new }
it { expect(invoice.invoice_number.start_with?
('IDFT-')).to be_true }
end
end

let(:invoice)
{
Invoice.new
}
require 'rspec'
require './invoice'
describe Invoice do
end
end

invoice.invoice_number.start_with?(‘IDFT-‐’)
require 'rspec'
require './invoice'
describe Invoice do
end
end

expect
to
be
true
require 'rspec'
require './invoice'
describe Invoice do
end
end

/Users/kyeung/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/rubygems/
custom_require.rb:36:in `require': cannot load such file -- ./invoice
(LoadError)
from /Users/kyeung/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/rubygems/
custom_require.rb:36:in `require'
from /Users/kyeung/RubymineProjects/agiletour_bangkok/invoice_spec.rb:
2:in `<top (required)>'
from /Users/kyeung/.rvm/gems/ruby-1.9.3-p327/gems/rspec-core-2.12.1/
lib/rspec/core/configuration.rb:789:in `load'
lib/rspec/core/configuration.rb:789:in `block in load_spec_files'
lib/rspec/core/configuration.rb:789:in `each'
lib/rspec/core/configuration.rb:789:in `load_spec_files'
lib/rspec/core/command_line.rb:22:in `run'
lib/rspec/core/runner.rb:80:in `run'
lib/rspec/core/runner.rb:17:in `block in autorun'

/Users/kyeung/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/rubygems/
custom_require.rb:36:in `require': cannot load such file -- ./invoice
(LoadError)
from /Users/kyeung/.rvm/rubies/ruby-1.9.3-p327/lib/ruby/1.9.1/rubygems/
custom_require.rb:36:in `require'
from /Users/kyeung/RubymineProjects/agiletour_bangkok/invoice_spec.rb:
2:in `<top (required)>'
lib/rspec/core/configuration.rb:789:in `load'
lib/rspec/core/configuration.rb:789:in `block in load_spec_files'
lib/rspec/core/configuration.rb:789:in `each'
lib/rspec/core/configuration.rb:789:in `load_spec_files'
lib/rspec/core/command_line.rb:22:in `run'
lib/rspec/core/runner.rb:80:in `run'
lib/rspec/core/runner.rb:17:in `block in autorun'

`require': cannot load such
file -- ./invoice (LoadError)

Admin-MacBook-Air-3:agiletour_bangkok kyeung$ rspec
invoice_spec.rb
F
Failures:
1) Invoice when in draft state
Failure/Error: it
{ expect(invoice.invoice_number.start_with?('I-DFT-')).to
be_true }
NoMethodError:
undefined method `invoice_number' for #<Invoice:
0x007fe5732b4ca0>
# ./invoice_spec.rb:7:in `block (3 levels) in <top
(required)>'
Finished in 0.00048 seconds
1 example, 1 failure
Failed examples:

invoice_spec.rb
F
Failures:
Failure/Error: it
{ expect(invoice.invoice_number.start_with?('I-DFT-')).to
be_true }
NoMethodError:
undefined method `invoice_number' for #<Invoice:
0x007fe5732b4ca0>
(required)>'

NoMethodError:
undefined method
`invoice_number' for #<Invoice

Failed examples:

invoice_spec.rb
F
Failures:
Failure/Error: it
{ expect(invoice.invoice_number.start_with?('IDFT-')).to be_true }
NoMethodError:
undefined method `start_with?' for nil:NilClass
(required)>'

invoice_spec.rb
F
Failures:
Failure/Error: it
{ expect(invoice.invoice_number.start_with?('IDFT-')).to be_true }
NoMethodError:
undefined method `start_with?' for nil:NilClass
(required)>'

NoMethodError:
undefined method
`start_with?' for nil:NilClass

def invoice_number
self.invoice_number = “I-DFT-#{next_seq_val}”
end

def invoice_number
self.invoice_number = “I-DFT-#{next_seq_val}”
end
def next_seq_val
...
end

invoice_spec.rb
.
1 example, 0 failures

Refactor
refactoring, n., a change made to the internal
structure of software to make it easier to
understand and cheaper to modify without
changing its observable behaviour.

public void addLineToFile(String lineToAdd, String sourceFile,
String destFile)
{
List<String> sourceLines = getLines(sourceFile);
List<String> newLines = addLine(lineToAdd, sourceLines);
List<String> sortedLines = sortLines(newLines);
writeLines(sortedLines, destFile);
}

private List<String> addLine(String line, List<String>
lines)
{
List<String> newLines = new ArrayList<String>(lines);
newLines.add(line);
return newLines;
}

private List<String> sortLines(List<String> lines)
{
List<String> newLines = new ArrayList<String>(lines);
Collections.sort(newLines);
return newLines;
}

Refactoring makes
software easier to
understand

Refactoring helps you
program

FASTER

Now that we have TDD
and refactoring...

Everyone commits to
mainline (several times)
every day

Every commit builds
the mainline

Don’t check in on a
broken build

Wait for green build
before moving on

Propagate each change
through the pipeline

Stop the line if any part
fails

Agile without technical practices isn't agile

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Ähnlich wie Agile without technical practices isn't agile

Ähnlich wie Agile without technical practices isn't agile (20)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

Agile without technical practices isn't agile