diff options
Diffstat (limited to 'spec/algebra')
21 files changed, 883 insertions, 0 deletions
diff --git a/spec/algebra/integration/basic_spec.rb b/spec/algebra/integration/basic_spec.rb new file mode 100644 index 0000000000..7aa4f7305c --- /dev/null +++ b/spec/algebra/integration/basic_spec.rb @@ -0,0 +1,85 @@ +require 'spec_helper' + +def have_rows(expected) + simple_matcher "have rows" do |given, matcher| + found, got, expected = [], [], expected.map { |r| r.tuple } + given.each do |row| + got << row.tuple + found << expected.find { |r| row.tuple == r } + end + + matcher.failure_message = "Expected to get:\n" \ + "#{expected.map {|r| " #{r.inspect}" }.join("\n")}\n" \ + "instead, got:\n" \ + "#{got.map {|r| " #{r.inspect}" }.join("\n")}" + + found.compact.length == expected.length && got.compact.length == expected.length + end +end + +share_examples_for 'A Relation' do + + before :all do + # The two needed instance variables need to be set in a + # before :all callback. + # @relation is the relation being tested here. + # @expected is an array of the elements that are expected to be in + # the relation. + %w[ @relation @expected ].each do |ivar| + raise "#{ivar} needs to be defined" unless instance_variable_get(ivar) + end + + # There needs to be enough items to be able to run all the tests + raise "@expected needs to have at least 6 items" unless @expected.length >= 6 + end + + describe "#each" do + it "iterates over the rows in any order" do + @relation.should have_rows(@expected) + end + end + + describe "#where" do + before :all do + @expected = @expected.sort_by { |r| r[@relation[:age]] } + @pivot = @expected[@expected.length / 2] + end + + it "finds rows with an equal to predicate" do + expected = @expected.select { |r| r[@relation[:age]] == @pivot[@relation[:age]] } + @relation.where(@relation[:age].eq(@pivot[@relation[:age]])).should have_rows(expected) + end + end +end + +module Arel + describe "Relation" do + + before :all do + @engine = Testing::Engine.new + @relation = Model.build do |r| + r.engine @engine + + r.attribute :id, Attributes::Integer + r.attribute :name, Attributes::String + r.attribute :age, Attributes::Integer + end + end + + describe "..." do + before :all do + @expected = (1..20).map { |i| @relation.insert([i, nil, 2 * i]) } + end + + it_should_behave_like 'A Relation' + end + + describe "#insert" do + it "inserts the row into the engine" do + @relation.insert([1, 'Foo', 10]) + @engine.rows.should == [[1, 'Foo', 10]] + end + end + + end +end
\ No newline at end of file diff --git a/spec/algebra/unit/predicates/binary_spec.rb b/spec/algebra/unit/predicates/binary_spec.rb new file mode 100644 index 0000000000..051aeeeb6e --- /dev/null +++ b/spec/algebra/unit/predicates/binary_spec.rb @@ -0,0 +1,35 @@ +require 'spec_helper' + +module Arel + module Predicates + describe Binary do + before do + @relation = Arel::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 +end diff --git a/spec/algebra/unit/predicates/equality_spec.rb b/spec/algebra/unit/predicates/equality_spec.rb new file mode 100644 index 0000000000..7d1d79ff35 --- /dev/null +++ b/spec/algebra/unit/predicates/equality_spec.rb @@ -0,0 +1,29 @@ +require 'spec_helper' + +module Arel + module Predicates + describe Equality do + before do + @relation1 = Arel::Table.new(:users) + @relation2 = Arel::Table.new(:photos) + @attribute1 = @relation1[:id] + @attribute2 = @relation2[:user_id] + end + + describe '==' do + it "obtains if attribute1 and attribute2 are identical" do + check 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 +end diff --git a/spec/algebra/unit/predicates/in_spec.rb b/spec/algebra/unit/predicates/in_spec.rb new file mode 100644 index 0000000000..b9e15d63a4 --- /dev/null +++ b/spec/algebra/unit/predicates/in_spec.rb @@ -0,0 +1,12 @@ +require 'spec_helper' + +module Arel + module Predicates + describe In do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + end + end +end diff --git a/spec/algebra/unit/primitives/attribute_spec.rb b/spec/algebra/unit/primitives/attribute_spec.rb new file mode 100644 index 0000000000..f734cc9c38 --- /dev/null +++ b/spec/algebra/unit/primitives/attribute_spec.rb @@ -0,0 +1,181 @@ +require 'spec_helper' + +module Arel + describe Attribute do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + + describe "#inspect" do + it "returns a simple, short inspect string" do + @attribute.inspect.should == "<Attribute id>" + end + end + + describe Attribute::Transformations do + describe '#as' do + it "manufactures an aliased attributed" do + @attribute.as(:alias).should == Attribute.new(@relation, @attribute.name, :alias => :alias, :ancestor => @attribute) + end + end + + describe '#bind' do + it "manufactures an attribute with the relation bound and self as an ancestor" do + derived_relation = @relation.where(@relation[:id].eq(1)) + @attribute.bind(derived_relation).should == Attribute.new(derived_relation, @attribute.name, :ancestor => @attribute) + end + + it "returns self if the substituting to the same relation" do + @attribute.bind(@relation).should == @attribute + end + end + + describe '#to_attribute' do + describe 'when the given relation is the same as the attributes relation' do + it "returns self" do + @attribute.to_attribute(@relation).should == @attribute + end + end + + describe 'when the given relation differs from the attributes relation' do + it 'binds to the new relation' do + @attribute.to_attribute(new_relation = @relation.alias).should == @attribute.bind(new_relation) + end + end + end + end + + describe '#column' do + it "returns the corresponding column in the relation" do + @attribute.column.should == @relation.column_for(@attribute) + end + end + + describe '#engine' do + it "delegates to its relation" do + Attribute.new(@relation, :id).engine.should == @relation.engine + end + end + + describe Attribute::Congruence do + describe '/' do + before do + @aliased_relation = @relation.alias + @doubly_aliased_relation = @aliased_relation.alias + end + + describe 'when dividing two unrelated attributes' do + it "returns 0.0" do + (@relation[:id] / @relation[:name]).should == 0.0 + end + end + + describe 'when dividing two matching attributes' do + it 'returns a the highest score for the most similar attributes' do + check((@aliased_relation[:id] / @relation[:id]).should == (@aliased_relation[:id] / @relation[:id])) + (@aliased_relation[:id] / @relation[:id]).should < (@aliased_relation[:id] / @aliased_relation[:id]) + end + end + end + end + + describe Attribute::Predications do + before do + @attribute = Attribute.new(@relation, :name) + end + + describe '#eq' do + it "manufactures an equality predicate" do + @attribute.eq('name').should == Predicates::Equality.new(@attribute, 'name') + end + end + + describe '#lt' do + it "manufactures a less-than predicate" do + @attribute.lt(10).should == Predicates::LessThan.new(@attribute, 10) + end + end + + describe '#lteq' do + it "manufactures a less-than or equal-to predicate" do + @attribute.lteq(10).should == Predicates::LessThanOrEqualTo.new(@attribute, 10) + end + end + + describe '#gt' do + it "manufactures a greater-than predicate" do + @attribute.gt(10).should == Predicates::GreaterThan.new(@attribute, 10) + end + end + + describe '#gteq' do + it "manufactures a greater-than or equal-to predicate" do + @attribute.gteq(10).should == Predicates::GreaterThanOrEqualTo.new(@attribute, 10) + end + end + + describe '#matches' do + it "manufactures a match predicate" do + @attribute.matches(/.*/).should == Predicates::Match.new(@attribute, /.*/) + end + end + + describe '#in' do + it "manufactures an in predicate" do + @attribute.in(1..30).should == Predicates::In.new(@attribute, (1..30)) + end + end + end + + describe Attribute::Expressions do + before do + @attribute = Attribute.new(@relation, :name) + end + + describe '#count' do + it "manufactures a count Expression" do + @attribute.count.should == Count.new(@attribute) + end + end + + describe '#sum' do + it "manufactures a sum Expression" do + @attribute.sum.should == Sum.new(@attribute) + end + end + + describe '#maximum' do + it "manufactures a maximum Expression" do + @attribute.maximum.should == Maximum.new(@attribute) + end + end + + describe '#minimum' do + it "manufactures a minimum Expression" do + @attribute.minimum.should == Minimum.new(@attribute) + end + end + + describe '#average' do + it "manufactures an average Expression" do + @attribute.average.should == Average.new(@attribute) + end + end + end + + describe Attribute::Orderings do + describe '#asc' do + it 'manufactures an ascending ordering' do + @attribute.asc.should == Ascending.new(@attribute) + end + end + + describe '#desc' do + it 'manufactures a descending ordering' do + @attribute.desc.should == Descending.new(@attribute) + end + end + end + end +end diff --git a/spec/algebra/unit/primitives/expression_spec.rb b/spec/algebra/unit/primitives/expression_spec.rb new file mode 100644 index 0000000000..ac932ed139 --- /dev/null +++ b/spec/algebra/unit/primitives/expression_spec.rb @@ -0,0 +1,45 @@ +require 'spec_helper' + +module Arel + describe Expression do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + + describe "#inspect" do + it "returns a simple, short inspect string" do + @attribute.count.inspect.should == "<Arel::Count <Attribute id>>" + end + end + + describe Expression::Transformations do + before do + @expression = Count.new(@attribute) + end + + describe '#bind' do + it "manufactures an attribute with a rebound relation and self as the ancestor" do + derived_relation = @relation.where(@relation[:id].eq(1)) + @expression.bind(derived_relation).should == Count.new(@attribute.bind(derived_relation), nil, @expression) + end + + it "returns self if the substituting to the same relation" do + @expression.bind(@relation).should == @expression + end + end + + describe '#as' do + it "manufactures an aliased expression" do + @expression.as(:alias).should == Expression.new(@attribute, :alias, @expression) + end + end + + describe '#to_attribute' do + it "manufactures an attribute with the expression as an ancestor" do + @expression.to_attribute(@relation).should == Attribute.new(@relation, @expression.alias, :ancestor => @expression) + end + end + end + end +end diff --git a/spec/algebra/unit/primitives/value_spec.rb b/spec/algebra/unit/primitives/value_spec.rb new file mode 100644 index 0000000000..8fed752d66 --- /dev/null +++ b/spec/algebra/unit/primitives/value_spec.rb @@ -0,0 +1,15 @@ +require 'spec_helper' + +module Arel + describe Value do + before do + @relation = Table.new(:users) + end + + describe '#bind' do + it "manufactures a new value whose relation is the provided relation" do + Value.new(1, @relation).bind(another_relation = Table.new(:photos)).should == Value.new(1, another_relation) + end + end + end +end diff --git a/spec/algebra/unit/relations/alias_spec.rb b/spec/algebra/unit/relations/alias_spec.rb new file mode 100644 index 0000000000..eaf31652b9 --- /dev/null +++ b/spec/algebra/unit/relations/alias_spec.rb @@ -0,0 +1,16 @@ +require 'spec_helper' + +module Arel + describe Alias do + before do + @relation = Table.new(:users) + end + + describe '==' do + it "obtains if the objects are the same" do + check Alias.new(@relation).should_not == Alias.new(@relation) + (aliaz = Alias.new(@relation)).should == aliaz + end + end + end +end diff --git a/spec/algebra/unit/relations/delete_spec.rb b/spec/algebra/unit/relations/delete_spec.rb new file mode 100644 index 0000000000..c244be8631 --- /dev/null +++ b/spec/algebra/unit/relations/delete_spec.rb @@ -0,0 +1,9 @@ +require 'spec_helper' + +module Arel + describe Deletion do + before do + @relation = Table.new(:users) + end + end +end diff --git a/spec/algebra/unit/relations/group_spec.rb b/spec/algebra/unit/relations/group_spec.rb new file mode 100644 index 0000000000..48fc818682 --- /dev/null +++ b/spec/algebra/unit/relations/group_spec.rb @@ -0,0 +1,10 @@ +require 'spec_helper' + +module Arel + describe Group do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + end +end diff --git a/spec/algebra/unit/relations/insert_spec.rb b/spec/algebra/unit/relations/insert_spec.rb new file mode 100644 index 0000000000..3141fa2fc4 --- /dev/null +++ b/spec/algebra/unit/relations/insert_spec.rb @@ -0,0 +1,9 @@ +require 'spec_helper' + +module Arel + describe Insert do + before do + @relation = Table.new(:users) + end + end +end diff --git a/spec/algebra/unit/relations/join_spec.rb b/spec/algebra/unit/relations/join_spec.rb new file mode 100644 index 0000000000..9c1422c571 --- /dev/null +++ b/spec/algebra/unit/relations/join_spec.rb @@ -0,0 +1,26 @@ +require 'spec_helper' + +module Arel + describe Join do + before do + @relation1 = Table.new(:users) + @relation2 = Table.new(:photos) + @predicate = @relation1[:id].eq(@relation2[:user_id]) + end + + describe 'hashing' do + it 'implements hash equality' do + InnerJoin.new(@relation1, @relation2, @predicate) \ + .should hash_the_same_as(InnerJoin.new(@relation1, @relation2, @predicate)) + end + end + + describe '#attributes' do + it 'combines the attributes of the two relations' do + join = InnerJoin.new(@relation1, @relation2, @predicate) + join.attributes.should == + (@relation1.attributes + @relation2.attributes).collect { |a| a.bind(join) } + end + end + end +end diff --git a/spec/algebra/unit/relations/order_spec.rb b/spec/algebra/unit/relations/order_spec.rb new file mode 100644 index 0000000000..9fcdffe340 --- /dev/null +++ b/spec/algebra/unit/relations/order_spec.rb @@ -0,0 +1,21 @@ +require 'spec_helper' + +module Arel + describe Order do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + + describe "#==" do + it "returns true when the Orders are for the same attribute and direction" do + Ascending.new(@attribute).should == Ascending.new(@attribute) + end + + it "returns false when the Orders are for a diferent direction" do + Ascending.new(@attribute).should_not == Descending.new(@attribute) + end + end + end +end + diff --git a/spec/algebra/unit/relations/project_spec.rb b/spec/algebra/unit/relations/project_spec.rb new file mode 100644 index 0000000000..8886e65a2e --- /dev/null +++ b/spec/algebra/unit/relations/project_spec.rb @@ -0,0 +1,34 @@ +require 'spec_helper' + +module Arel + describe Project do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + + describe '#attributes' do + before do + @projection = Project.new(@relation, @attribute) + end + + it "manufactures attributes associated with the projection relation" do + @projection.attributes.should == [@attribute].collect { |a| a.bind(@projection) } + end + end + + describe '#externalizable?' do + describe 'when the projections are attributes' do + it 'returns false' do + Project.new(@relation, @attribute).should_not be_externalizable + end + end + + describe 'when the projections include an aggregation' do + it "obtains" do + Project.new(@relation, @attribute.sum).should be_externalizable + end + end + end + end +end diff --git a/spec/algebra/unit/relations/relation_spec.rb b/spec/algebra/unit/relations/relation_spec.rb new file mode 100644 index 0000000000..a1d1793d92 --- /dev/null +++ b/spec/algebra/unit/relations/relation_spec.rb @@ -0,0 +1,187 @@ +require 'spec_helper' + +module Arel + describe Relation do + before do + @relation = Table.new(:users) + @attribute1 = @relation[:id] + @attribute2 = @relation[:name] + end + + describe '[]' do + describe 'when given an', Attribute do + it "return the attribute congruent to the provided attribute" do + @relation[@attribute1].should == @attribute1 + end + end + + describe 'when given a', Symbol, String do + it "returns the attribute with the same name" do + check @relation[:id].should == @attribute1 + check @relation['id'].should == @attribute1 + end + end + end + + describe Relation::Operable do + describe 'joins' do + before do + @predicate = @relation[:id].eq(@relation[:id]) + end + + describe '#join' do + describe 'when given a relation' do + it "manufactures an inner join operation between those two relations" do + @relation.join(@relation).on(@predicate). \ + should == InnerJoin.new(@relation, @relation, @predicate) + end + end + + describe "when given a string" do + it "manufactures a join operation with the string passed through" do + @relation.join(arbitrary_string = "ASDF").should == StringJoin.new(@relation, arbitrary_string) + end + end + + describe "when given something blank" do + it "returns self" do + @relation.join.should == @relation + end + end + end + + describe '#outer_join' do + it "manufactures a left outer join operation between those two relations" do + @relation.outer_join(@relation).on(@predicate). \ + should == OuterJoin.new(@relation, @relation, @predicate) + end + end + end + + describe '#project' do + it "manufactures a projection relation" do + @relation.project(@attribute1, @attribute2). \ + should == Project.new(@relation, @attribute1, @attribute2) + end + + describe "when given blank attributes" do + it "returns self" do + @relation.project.should == @relation + end + end + end + + describe '#alias' do + it "manufactures an alias relation" do + @relation.alias.relation.should == Alias.new(@relation).relation + end + end + + describe '#where' do + before do + @predicate = Predicates::Equality.new(@attribute1, @attribute2) + end + + it "manufactures a where relation" do + @relation.where(@predicate).should == Where.new(@relation, @predicate) + end + + it "accepts arbitrary strings" do + @relation.where("arbitrary").should == Where.new(@relation, "arbitrary") + end + + describe 'when given a blank predicate' do + it 'returns self' do + @relation.where.should == @relation + end + end + end + + describe '#order' do + it "manufactures an order relation" do + @relation.order(@attribute1, @attribute2).should == Order.new(@relation, @attribute1, @attribute2) + end + + describe 'when given a blank ordering' do + it 'returns self' do + @relation.order.should == @relation + end + end + end + + describe '#take' do + it "manufactures a take relation" do + @relation.take(5).should == Take.new(@relation, 5) + end + + describe 'when given a blank number of items' do + it 'returns self' do + @relation.take.should == @relation + end + end + end + + describe '#skip' do + it "manufactures a skip relation" do + @relation.skip(4).should == Skip.new(@relation, 4) + end + + describe 'when given a blank number of items' do + it 'returns self' do + @relation.skip.should == @relation + end + end + end + + describe '#group' do + it 'manufactures a group relation' do + @relation.group(@attribute1, @attribute2).should == Group.new(@relation, @attribute1, @attribute2) + end + + describe 'when given blank groupings' do + it 'returns self' do + @relation.group.should == @relation + end + end + end + + describe Relation::Operable::Writable do + describe '#delete' do + it 'manufactures a deletion relation' do + Session.start do + Session.new.should_receive(:delete).with(Deletion.new(@relation)) + @relation.delete + end + end + end + + describe '#insert' do + it 'manufactures an insertion relation' do + Session.start do + record = { @relation[:name] => 'carl' } + Session.new.should_receive(:create).with(Insert.new(@relation, record)) + @relation.insert(record) + end + end + end + + describe '#update' do + it 'manufactures an update relation' do + Session.start do + assignments = { @relation[:name] => Value.new('bob', @relation) } + Session.new.should_receive(:update).with(Update.new(@relation, assignments)) + @relation.update(assignments) + end + end + end + end + end + + describe Relation::Enumerable do + it "implements enumerable" do + @relation.map { |value| value }.should == + @relation.session.read(@relation).map { |value| value } + end + end + end +end diff --git a/spec/algebra/unit/relations/skip_spec.rb b/spec/algebra/unit/relations/skip_spec.rb new file mode 100644 index 0000000000..e7dea6c1cf --- /dev/null +++ b/spec/algebra/unit/relations/skip_spec.rb @@ -0,0 +1,10 @@ +require 'spec_helper' + +module Arel + describe Skip do + before do + @relation = Table.new(:users) + @skipped = 4 + end + end +end diff --git a/spec/algebra/unit/relations/table_spec.rb b/spec/algebra/unit/relations/table_spec.rb new file mode 100644 index 0000000000..d93446f1b9 --- /dev/null +++ b/spec/algebra/unit/relations/table_spec.rb @@ -0,0 +1,38 @@ +require 'spec_helper' + +module Arel + describe Table do + before do + @relation = Table.new(:users) + end + + describe '[]' do + describe 'when given a', Symbol do + it "manufactures an attribute if the symbol names an attribute within the relation" do + check @relation[:id].should == Attribute.new(@relation, :id) + end + end + + describe 'when given an', Attribute do + it "returns the attribute if the attribute is within the relation" do + @relation[@relation[:id]].should == @relation[:id] + end + + it "returns nil if the attribtue is not within the relation" do + another_relation = Table.new(:photos) + @relation[another_relation[:id]].should be_nil + end + end + + describe 'when given an', Expression do + before do + @expression = @relation[:id].count + end + + it "returns the Expression if the Expression is within the relation" do + @relation[@expression].should be_nil + end + end + end + end +end diff --git a/spec/algebra/unit/relations/take_spec.rb b/spec/algebra/unit/relations/take_spec.rb new file mode 100644 index 0000000000..3ad8d269f1 --- /dev/null +++ b/spec/algebra/unit/relations/take_spec.rb @@ -0,0 +1,10 @@ +require 'spec_helper' + +module Arel + describe Take do + before do + @relation = Table.new(:users) + @taken = 4 + end + end +end diff --git a/spec/algebra/unit/relations/update_spec.rb b/spec/algebra/unit/relations/update_spec.rb new file mode 100644 index 0000000000..9ed20a446b --- /dev/null +++ b/spec/algebra/unit/relations/update_spec.rb @@ -0,0 +1,9 @@ +require 'spec_helper' + +module Arel + describe Update do + before do + @relation = Table.new(:users) + end + end +end diff --git a/spec/algebra/unit/relations/where_spec.rb b/spec/algebra/unit/relations/where_spec.rb new file mode 100644 index 0000000000..96b95b5823 --- /dev/null +++ b/spec/algebra/unit/relations/where_spec.rb @@ -0,0 +1,18 @@ +require 'spec_helper' + +module Arel + describe Where do + before do + @relation = Table.new(:users) + @predicate = @relation[:id].eq(1) + end + + describe '#initialize' do + it "manufactures nested where relations if multiple predicates are provided" do + another_predicate = @relation[:name].lt(2) + Where.new(@relation, @predicate, another_predicate). \ + should == Where.new(Where.new(@relation, another_predicate), @predicate) + end + end + end +end diff --git a/spec/algebra/unit/session/session_spec.rb b/spec/algebra/unit/session/session_spec.rb new file mode 100644 index 0000000000..0553a140ec --- /dev/null +++ b/spec/algebra/unit/session/session_spec.rb @@ -0,0 +1,84 @@ +require 'spec_helper' + +module Arel + describe Session do + before do + @relation = Table.new(:users) + @session = Session.new + end + + describe '::start' do + describe '::instance' do + it "it is a singleton within the started session" do + Session.start do + Session.new.should == Session.new + end + end + + it "is a singleton across nested sessions" do + Session.start do + outside = Session.new + Session.start do + Session.new.should == outside + end + end + end + + it "manufactures new sessions outside of the started session" do + Session.new.should_not == Session.new + end + end + end + + describe Session::CRUD do + before do + @insert = Insert.new(@relation, @relation[:name] => 'nick') + @update = Update.new(@relation, @relation[:name] => 'nick') + @delete = Deletion.new(@relation) + @read = @relation + end + + describe '#create' do + it "executes an insertion on the connection" do + @insert.should_receive(:call) + @session.create(@insert) + end + end + + describe '#read' do + it "executes an selection on the connection" do + @read.should_receive(:call) + @session.read(@read) + end + + it "is memoized" do + @read.should_receive(:call).once + @session.read(@read) + @session.read(@read) + end + end + + describe '#update' do + it "executes an update on the connection" do + @update.should_receive(:call) + @session.update(@update) + end + end + + describe '#delete' do + it "executes a delete on the connection" do + @delete.should_receive(:call) + @session.delete(@delete) + end + end + end + + describe 'Transactions' do + describe '#begin' do + end + + describe '#end' do + end + end + end +end |