diff options
Diffstat (limited to 'spec/arel/engines/sql/unit/predicates')
4 files changed, 314 insertions, 0 deletions
diff --git a/spec/arel/engines/sql/unit/predicates/binary_spec.rb b/spec/arel/engines/sql/unit/predicates/binary_spec.rb new file mode 100644 index 0000000000..b1400e2588 --- /dev/null +++ b/spec/arel/engines/sql/unit/predicates/binary_spec.rb @@ -0,0 +1,117 @@ +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 + def predicate_sql + "<=>" + end + end + end + + describe "with compound predicates" do + before do + @operand1 = ConcreteBinary.new(@attribute1, 1) + @operand2 = ConcreteBinary.new(@attribute2, "name") + end + + describe Or do + describe "#to_sql" do + it "manufactures sql with an OR operation" do + sql = Or.new(@operand1, @operand2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{(`users`.`id` <=> 1 OR `users`.`name` <=> 'name')}) + end + + adapter_is :postgresql do + sql.should be_like(%Q{("users"."id" <=> 1 OR "users"."name" <=> E'name')}) + end + + adapter_is :sqlite3 do + sql.should be_like(%Q{("users"."id" <=> 1 OR "users"."name" <=> 'name')}) + end + end + end + end + + describe And do + describe "#to_sql" do + it "manufactures sql with an AND operation" do + sql = And.new(@operand1, @operand2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{(`users`.`id` <=> 1 AND `users`.`name` <=> 'name')}) + end + + adapter_is :sqlite3 do + sql.should be_like(%Q{("users"."id" <=> 1 AND "users"."name" <=> 'name')}) + end + + adapter_is :postgresql do + sql.should be_like(%Q{("users"."id" <=> 1 AND "users"."name" <=> E'name')}) + end + end + end + end + end + + describe '#to_sql' do + describe 'when relating two attributes' do + it 'manufactures sql with a binary operation' do + sql = ConcreteBinary.new(@attribute1, @attribute2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` <=> `users`.`name`}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" <=> "users"."name"}) + end + end + end + + describe 'when relating an attribute and a value' do + before do + @value = "1-asdf" + end + + describe 'when relating to an integer attribute' do + it 'formats values as integers' do + sql = ConcreteBinary.new(@attribute1, @value).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` <=> 1}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" <=> 1}) + end + end + end + + describe 'when relating to a string attribute' do + it 'formats values as strings' do + sql = ConcreteBinary.new(@attribute2, @value).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`name` <=> '1-asdf'}) + end + + adapter_is :sqlite3 do + sql.should be_like(%Q{"users"."name" <=> '1-asdf'}) + end + + adapter_is :postgresql do + sql.should be_like(%Q{"users"."name" <=> E'1-asdf'}) + end + end + end + end + end + end +end diff --git a/spec/arel/engines/sql/unit/predicates/equality_spec.rb b/spec/arel/engines/sql/unit/predicates/equality_spec.rb new file mode 100644 index 0000000000..688a6a20be --- /dev/null +++ b/spec/arel/engines/sql/unit/predicates/equality_spec.rb @@ -0,0 +1,46 @@ +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 '#to_sql' do + describe 'when relating to a non-nil value' do + it "manufactures an equality predicate" do + sql = Equality.new(@attribute1, @attribute2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` = `photos`.`user_id`}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" = "photos"."user_id"}) + end + end + end + + describe 'when relation to a nil value' do + before do + @nil = nil + end + + it "manufactures an is null predicate" do + sql = Equality.new(@attribute1, @nil).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` IS NULL}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" IS NULL}) + end + end + end + end + end +end diff --git a/spec/arel/engines/sql/unit/predicates/in_spec.rb b/spec/arel/engines/sql/unit/predicates/in_spec.rb new file mode 100644 index 0000000000..d3e75cfb84 --- /dev/null +++ b/spec/arel/engines/sql/unit/predicates/in_spec.rb @@ -0,0 +1,86 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..', 'spec_helper') + +module Arel + describe In do + before do + @relation = Table.new(:users) + @attribute = @relation[:id] + end + + describe '#to_sql' do + describe 'when relating to an array' do + describe 'when the array\'s elements are the same type as the attribute' do + before do + @array = [1, 2, 3] + end + + it 'manufactures sql with a comma separated list' do + sql = In.new(@attribute, @array).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` IN (1, 2, 3)}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" IN (1, 2, 3)}) + end + end + end + + describe 'when the array\'s elements are not same type as the attribute' do + before do + @array = ['1-asdf', 2, 3] + end + + it 'formats values in the array as the type of the attribute' do + sql = In.new(@attribute, @array).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` IN (1, 2, 3)}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" IN (1, 2, 3)}) + end + end + end + end + + describe 'when relating to a range' do + before do + @range = 1..2 + end + + it 'manufactures sql with a between' do + sql = In.new(@attribute, @range).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{`users`.`id` BETWEEN 1 AND 2}) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{"users"."id" BETWEEN 1 AND 2}) + end + end + end + + describe 'when relating to a relation' do + it 'manufactures sql with a subselect' do + sql = In.new(@attribute, @relation).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{ + `users`.`id` IN (SELECT `users`.`id`, `users`.`name` FROM `users`) + }) + end + + adapter_is_not :mysql do + sql.should be_like(%Q{ + "users"."id" IN (SELECT "users"."id", "users"."name" FROM "users") + }) + end + end + end + end + end +end diff --git a/spec/arel/engines/sql/unit/predicates/predicates_spec.rb b/spec/arel/engines/sql/unit/predicates/predicates_spec.rb new file mode 100644 index 0000000000..d55e178e43 --- /dev/null +++ b/spec/arel/engines/sql/unit/predicates/predicates_spec.rb @@ -0,0 +1,65 @@ +require File.join(File.dirname(__FILE__), '..', '..', '..', '..', '..', 'spec_helper') + +module Arel + describe Predicate do + before do + @relation = Table.new(:users) + @attribute1 = @relation[:id] + @attribute2 = @relation[:name] + @operand1 = Equality.new(@attribute1, 1) + @operand2 = Equality.new(@attribute2, "name") + end + + describe "when being combined with another predicate with AND logic" do + describe "#to_sql" do + it "manufactures sql with an AND operation" do + sql = @operand1.and(@operand2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{ + (`users`.`id` = 1 AND `users`.`name` = 'name') + }) + end + + adapter_is :sqlite3 do + sql.should be_like(%Q{ + ("users"."id" = 1 AND "users"."name" = 'name') + }) + end + + adapter_is :postgresql do + sql.should be_like(%Q{ + ("users"."id" = 1 AND "users"."name" = E'name') + }) + end + end + end + end + + describe "when being combined with another predicate with OR logic" do + describe "#to_sql" do + it "manufactures sql with an OR operation" do + sql = @operand1.or(@operand2).to_sql + + adapter_is :mysql do + sql.should be_like(%Q{ + (`users`.`id` = 1 OR `users`.`name` = 'name') + }) + end + + adapter_is :sqlite3 do + sql.should be_like(%Q{ + ("users"."id" = 1 OR "users"."name" = 'name') + }) + end + + adapter_is :postgresql do + sql.should be_like(%Q{ + ("users"."id" = 1 OR "users"."name" = E'name') + }) + end + end + end + end + end +end |