1 files changed, 147 insertions, 0 deletions
diff --git a/spec/unit/uri/decode_www_form_18_spec.rb b/spec/unit/uri/decode_www_form_18_spec.rb
new file mode 100644
index 0000000..21e1b7c
--- /dev/null
+++ b/spec/unit/uri/decode_www_form_18_spec.rb
@@ -0,0 +1,147 @@
+# encoding: UTF-8
+
+require 'spec_helper'
+
+describe URI, '#decode_www_form_18' do
+
+  it 'seperates parameter into an array' do
+    result = URI::decode_www_form_18("foo=bar&bar=foo")
+
+    result.should eq([['foo', 'bar'], ['bar', 'foo']])
+  end
+
+  it 'can handle more than two equal parameter names' do
+    result = URI::decode_www_form_18("foo=bar1&foo=bar2")
+
+    result.should eq([['foo', 'bar1'], ['foo', 'bar2']])
+  end
+
+  it 'can handle whitespaces in query string' do
+    result = URI::decode_www_form_18("foo=bar&bar=bar%20foo")
+
+    result.should eq([['foo', 'bar'], ['bar', 'bar foo']])
+  end
+
+  it 'accepts semi-colons as seperators' do
+    result = URI::decode_www_form_18("foo=bar;bar=foo")
+
+    result.should eq([['foo', 'bar'], ['bar', 'foo']])
+  end
+
+  it 'seperates & and ; mixed queries properly' do
+    result = URI::decode_www_form_18("foo=bar&bar=foo;baz=foo")
+
+    result.should eq([['foo', 'bar'], ['bar', 'foo'], ['baz', 'foo']])
+  end
+
+  it 'does not accept only a normal string as query string' do
+    expect{
+      result = URI::decode_www_form_18("foo")
+
+      # does not work, probably should?
+      #result.should eq([['foo', '']])
+    }.to raise_error(
+      ArgumentError,
+      "invalid data of application/x-www-form-urlencoded (foo)"
+    )
+  end
+
+  it 'accepts empty values' do
+      result = URI::decode_www_form_18("foo=bar&bar=&baz=foo")
+
+      result.should eq([['foo', 'bar'], ['bar', ''], ['baz', 'foo']])
+  end
+
+  it 'understands plus as whitespace' do
+    result = URI::decode_www_form_18("foo=bar&bar=bar+foo")
+
+    result.should eq([['foo', 'bar'], ['bar', 'bar foo']])
+  end
+
+  it 'does not accept whitespaces in query string' do
+    result = URI::decode_www_form_18("foo=bar&bar=bar foo&baz=foo")
+
+    # Works, it probably shouldn't?
+    result.should eq([['foo', 'bar'], ['bar', 'bar foo'], ['baz', 'foo']])
+  end
+
+  it 'can handle non ascii letters in query string' do
+    result = URI::decode_www_form_18("foo=bär&bar=föö")
+
+    # Works, but it maybe shouldn't?
+    result.should eq([['foo', 'bär'], ['bar', 'föö']])
+  end
+
+  it 'can handle escaped non ascii letters in query string' do
+    result = URI::decode_www_form_18("foo=b%C3%A4r&bar=f%C3%B6%C3%B6")
+
+    result.should eq([['foo', 'bär'], ['bar', 'föö']])
+  end
+
+  it 'accepts - in query string' do
+    result = URI::decode_www_form_18("foo-bar=bar&bar=foo-bar")
+
+    puts (URI::decode_www_form_18("foo-bar=bar&bar=foo-bar") == [['foo-bar', 'bar'], ['bar', 'foo-bar']]).inspect
+
+    result.should eq([['foo-bar', 'bar'], ['bar', 'foo-bar']])
+  end
+
+  it 'accepts . in query string' do
+    result = URI::decode_www_form_18("foo.bar=bar&bar=foo.bar")
+
+    result.should eq([['foo.bar', 'bar'], ['bar', 'foo.bar']])
+  end
+
+  it 'accepts ~ in query string' do
+    result = URI::decode_www_form_18("foo~bar=bar&bar=foo~bar")
+
+    result.should eq([['foo~bar', 'bar'], ['bar', 'foo~bar']])
+  end
+
+  it 'accepts _ in query string' do
+    result = URI::decode_www_form_18("foo_bar=bar&bar=foo_bar")
+
+    result.should eq([['foo_bar', 'bar'], ['bar', 'foo_bar']])
+  end
+
+  it 'handles [ ] in query string' do
+    result = URI::decode_www_form_18("foo[]=foo&foo[]=bar")
+
+    result.should eq([['foo[]', 'foo'], ['foo[]', 'bar']])
+  end
+
+  it 'returns an empty array, if query string is empty' do
+    result = URI::decode_www_form_18("")
+
+    result.should eq([])
+  end
+
+  it 'throws an error, if more than one = without an & or ; in between' do
+    expect {
+      result = URI::decode_www_form_18("foo=bar=foo&bar=foo=bar")
+    }.to raise_error(
+      ArgumentError,
+      "invalid data of application/x-www-form-urlencoded "+
+       "(foo=bar=foo&bar=foo=bar)"
+    )
+  end
+
+  it 'throws an error, if more than one & without an = in between' do
+    expect {
+      result = URI::decode_www_form_18("foo&bar=foo&bar")
+    }.to raise_error(
+      ArgumentError,
+      "invalid data of application/x-www-form-urlencoded (foo&bar=foo&bar)"
+    )
+  end
+
+  it 'throws an error, if more than one ; without an = in between' do
+    expect {
+      result = URI::decode_www_form_18("foo;bar=foo;bar")
+    }.to raise_error(
+      ArgumentError,
+      "invalid data of application/x-www-form-urlencoded (foo;bar=foo;bar)"
+    )
+  end
+
+end