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author | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-05-26 21:02:23 -0700 |
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committer | Bryan Helmkamp <bryan@brynary.com> | 2009-05-17 15:36:05 -0400 |
commit | a7aacd29460aa137c3b06ee214ff8ffdff8ee365 (patch) | |
tree | e88f8894c830b4f95822ecb970294ca4c793a722 /spec/arel/algebra/unit/predicates | |
parent | 9d77c08cf8a75636b058c1b85af52ef96e07cee5 (diff) | |
download | rails-a7aacd29460aa137c3b06ee214ff8ffdff8ee365.tar.gz rails-a7aacd29460aa137c3b06ee214ff8ffdff8ee365.tar.bz2 rails-a7aacd29460aa137c3b06ee214ff8ffdff8ee365.zip |
reorganizing tests
Diffstat (limited to 'spec/arel/algebra/unit/predicates')
-rw-r--r-- | spec/arel/algebra/unit/predicates/binary_spec.rb | 33 | ||||
-rw-r--r-- | spec/arel/algebra/unit/predicates/equality_spec.rb | 27 | ||||
-rw-r--r-- | spec/arel/algebra/unit/predicates/in_spec.rb | 10 |
3 files changed, 70 insertions, 0 deletions
diff --git a/spec/arel/algebra/unit/predicates/binary_spec.rb b/spec/arel/algebra/unit/predicates/binary_spec.rb new file mode 100644 index 0000000000..9022a543d1 --- /dev/null +++ b/spec/arel/algebra/unit/predicates/binary_spec.rb @@ -0,0 +1,33 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', 'spec_helper') + +module Arel + describe Binary do + before do + @relation = Table.new(:users) + @attribute1 = @relation[:id] + @attribute2 = @relation[:name] + class ConcreteBinary < Binary + end + end + + describe '#bind' do + before do + @another_relation = @relation.alias + end + + describe 'when both operands are attributes' do + it "manufactures an expression with the attributes bound to the relation" do + ConcreteBinary.new(@attribute1, @attribute2).bind(@another_relation). \ + should == ConcreteBinary.new(@another_relation[@attribute1], @another_relation[@attribute2]) + end + end + + describe 'when an operand is a value' do + it "manufactures an expression with unmodified values" do + ConcreteBinary.new(@attribute1, "asdf").bind(@another_relation). \ + should == ConcreteBinary.new(@attribute1.find_correlate_in(@another_relation), "asdf".find_correlate_in(@another_relation)) + end + end + end + end +end
\ No newline at end of file diff --git a/spec/arel/algebra/unit/predicates/equality_spec.rb b/spec/arel/algebra/unit/predicates/equality_spec.rb new file mode 100644 index 0000000000..9a56ed5eaf --- /dev/null +++ b/spec/arel/algebra/unit/predicates/equality_spec.rb @@ -0,0 +1,27 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', 'spec_helper') + +module Arel + describe Equality do + before do + @relation1 = Table.new(:users) + @relation2 = Table.new(:photos) + @attribute1 = @relation1[:id] + @attribute2 = @relation2[:user_id] + end + + describe '==' do + it "obtains if attribute1 and attribute2 are identical" do + Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute1, @attribute2) + Equality.new(@attribute1, @attribute2).should_not == Equality.new(@attribute1, @attribute1) + end + + it "obtains if the concrete type of the predicates are identical" do + Equality.new(@attribute1, @attribute2).should_not == Binary.new(@attribute1, @attribute2) + end + + it "is commutative on the attributes" do + Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute2, @attribute1) + end + end + end +end
\ No newline at end of file diff --git a/spec/arel/algebra/unit/predicates/in_spec.rb b/spec/arel/algebra/unit/predicates/in_spec.rb new file mode 100644 index 0000000000..91c154763c --- /dev/null +++ b/spec/arel/algebra/unit/predicates/in_spec.rb @@ -0,0 +1,10 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', 'spec_helper') + +module Arel + describe In do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + end +end
\ No newline at end of file |