diff options
Diffstat (limited to 'test/visitors/test_to_sql.rb')
-rw-r--r-- | test/visitors/test_to_sql.rb | 162 |
1 files changed, 83 insertions, 79 deletions
diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb index 644951d71c..eb102c1905 100644 --- a/test/visitors/test_to_sql.rb +++ b/test/visitors/test_to_sql.rb @@ -10,16 +10,20 @@ module Arel @attr = @table[:id] end + def compile node + @visitor.accept(node, Collectors::SQLString.new).value + end + it 'works with BindParams' do node = Nodes::BindParam.new 'omg' - sql = @visitor.accept node + sql = compile node sql.must_be_like 'omg' end it 'can define a dispatch method' do visited = false - viz = Class.new(Arel::Visitors::Visitor) { - define_method(:hello) do |node| + viz = Class.new(Arel::Visitors::Reduce) { + define_method(:hello) do |node, c| visited = true end @@ -28,75 +32,75 @@ module Arel end }.new - viz.accept(@table) + viz.accept(@table, Collectors::SQLString.new) assert visited, 'hello method was called' end it 'should not quote sql literals' do node = @table[Arel.star] - sql = @visitor.accept node + sql = compile node sql.must_be_like '"users".*' end it 'should visit named functions' do function = Nodes::NamedFunction.new('omg', [Arel.star]) - assert_equal 'omg(*)', @visitor.accept(function) + assert_equal 'omg(*)', compile(function) end it 'should chain predications on named functions' do function = Nodes::NamedFunction.new('omg', [Arel.star]) - sql = @visitor.accept(function.eq(2)) + sql = compile(function.eq(2)) sql.must_be_like %{ omg(*) = 2 } end it 'should visit built-in functions' do function = Nodes::Count.new([Arel.star]) - assert_equal 'COUNT(*)', @visitor.accept(function) + assert_equal 'COUNT(*)', compile(function) function = Nodes::Sum.new([Arel.star]) - assert_equal 'SUM(*)', @visitor.accept(function) + assert_equal 'SUM(*)', compile(function) function = Nodes::Max.new([Arel.star]) - assert_equal 'MAX(*)', @visitor.accept(function) + assert_equal 'MAX(*)', compile(function) function = Nodes::Min.new([Arel.star]) - assert_equal 'MIN(*)', @visitor.accept(function) + assert_equal 'MIN(*)', compile(function) function = Nodes::Avg.new([Arel.star]) - assert_equal 'AVG(*)', @visitor.accept(function) + assert_equal 'AVG(*)', compile(function) end it 'should visit built-in functions operating on distinct values' do function = Nodes::Count.new([Arel.star]) function.distinct = true - assert_equal 'COUNT(DISTINCT *)', @visitor.accept(function) + assert_equal 'COUNT(DISTINCT *)', compile(function) function = Nodes::Sum.new([Arel.star]) function.distinct = true - assert_equal 'SUM(DISTINCT *)', @visitor.accept(function) + assert_equal 'SUM(DISTINCT *)', compile(function) function = Nodes::Max.new([Arel.star]) function.distinct = true - assert_equal 'MAX(DISTINCT *)', @visitor.accept(function) + assert_equal 'MAX(DISTINCT *)', compile(function) function = Nodes::Min.new([Arel.star]) function.distinct = true - assert_equal 'MIN(DISTINCT *)', @visitor.accept(function) + assert_equal 'MIN(DISTINCT *)', compile(function) function = Nodes::Avg.new([Arel.star]) function.distinct = true - assert_equal 'AVG(DISTINCT *)', @visitor.accept(function) + assert_equal 'AVG(DISTINCT *)', compile(function) end it 'works with lists' do function = Nodes::NamedFunction.new('omg', [Arel.star, Arel.star]) - assert_equal 'omg(*, *)', @visitor.accept(function) + assert_equal 'omg(*, *)', compile(function) end describe 'Nodes::Equality' do it "should escape strings" do test = Table.new(:users)[:name].eq 'Aaron Patterson' - @visitor.accept(test).must_be_like %{ + compile(test).must_be_like %{ "users"."name" = 'Aaron Patterson' } end @@ -104,19 +108,19 @@ module Arel it 'should handle false' do table = Table.new(:users) val = Nodes.build_quoted(false, table[:active]) - sql = @visitor.accept Nodes::Equality.new(val, val) + sql = compile Nodes::Equality.new(val, val) sql.must_be_like %{ 'f' = 'f' } end it 'should use the column to quote' do table = Table.new(:users) val = Nodes.build_quoted('1-fooo', table[:id]) - sql = @visitor.accept Nodes::Equality.new(table[:id], val) + sql = compile Nodes::Equality.new(table[:id], val) sql.must_be_like %{ "users"."id" = 1 } end it 'should handle nil' do - sql = @visitor.accept Nodes::Equality.new(@table[:name], nil) + sql = compile Nodes::Equality.new(@table[:name], nil) sql.must_be_like %{ "users"."name" IS NULL } end end @@ -124,13 +128,13 @@ module Arel describe 'Nodes::NotEqual' do it 'should handle false' do val = Nodes.build_quoted(false, @table[:active]) - sql = @visitor.accept Nodes::NotEqual.new(@table[:active], val) + sql = compile Nodes::NotEqual.new(@table[:active], val) sql.must_be_like %{ "users"."active" != 'f' } end it 'should handle nil' do val = Nodes.build_quoted(nil, @table[:active]) - sql = @visitor.accept Nodes::NotEqual.new(@table[:name], val) + sql = compile Nodes::NotEqual.new(@table[:name], val) sql.must_be_like %{ "users"."name" IS NOT NULL } end end @@ -141,19 +145,19 @@ module Arel Class.new(Class.new(String)).new(":'("), ].each do |obj| val = Nodes.build_quoted(obj, @table[:active]) - sql = @visitor.accept Nodes::NotEqual.new(@table[:name], val) + sql = compile Nodes::NotEqual.new(@table[:name], val) sql.must_be_like %{ "users"."name" != ':\\'(' } end end it "should visit_Class" do - @visitor.accept(Nodes.build_quoted(DateTime)).must_equal "'DateTime'" + compile(Nodes.build_quoted(DateTime)).must_equal "'DateTime'" end it "should escape LIMIT" do sc = Arel::Nodes::SelectStatement.new sc.limit = Arel::Nodes::Limit.new(Nodes.build_quoted("omg")) - assert_match(/LIMIT 'omg'/, @visitor.accept(sc)) + assert_match(/LIMIT 'omg'/, compile(sc)) end it "should visit_DateTime" do @@ -168,7 +172,7 @@ module Arel dt = DateTime.now table = Table.new(:users) test = table[:created_at].eq dt - sql = @visitor.accept test + sql = compile test assert_equal "created_at", called_with.name sql.must_be_like %{"users"."created_at" = '#{dt.strftime("%Y-%m-%d %H:%M:%S")}'} @@ -176,37 +180,37 @@ module Arel it "should visit_Float" do test = Table.new(:users)[:name].eq 2.14 - sql = @visitor.accept test + sql = compile test sql.must_be_like %{"users"."name" = 2.14} end it "should visit_Not" do - sql = @visitor.accept Nodes::Not.new(Arel.sql("foo")) + sql = compile Nodes::Not.new(Arel.sql("foo")) sql.must_be_like "NOT (foo)" end it "should apply Not to the whole expression" do node = Nodes::And.new [@attr.eq(10), @attr.eq(11)] - sql = @visitor.accept Nodes::Not.new(node) + sql = compile Nodes::Not.new(node) sql.must_be_like %{NOT ("users"."id" = 10 AND "users"."id" = 11)} end it "should visit_As" do as = Nodes::As.new(Arel.sql("foo"), Arel.sql("bar")) - sql = @visitor.accept as + sql = compile as sql.must_be_like "foo AS bar" end it "should visit_Bignum" do - @visitor.accept 8787878092 + compile 8787878092 end it "should visit_Hash" do - @visitor.accept(Nodes.build_quoted({:a => 1})) + compile(Nodes.build_quoted({:a => 1})) end it "should visit_BigDecimal" do - @visitor.accept Nodes.build_quoted(BigDecimal.new('2.14')) + compile Nodes.build_quoted(BigDecimal.new('2.14')) end it "should visit_Date" do @@ -221,31 +225,31 @@ module Arel dt = Date.today table = Table.new(:users) test = table[:created_at].eq dt - sql = @visitor.accept test + sql = compile test assert_equal "created_at", called_with.name sql.must_be_like %{"users"."created_at" = '#{dt.strftime("%Y-%m-%d")}'} end it "should visit_NilClass" do - @visitor.accept(Nodes.build_quoted(nil)).must_be_like "NULL" + compile(Nodes.build_quoted(nil)).must_be_like "NULL" end it "should visit_Arel_SelectManager, which is a subquery" do mgr = Table.new(:foo).project(:bar) - @visitor.accept(mgr).must_be_like '(SELECT bar FROM "foo")' + compile(mgr).must_be_like '(SELECT bar FROM "foo")' end it "should visit_Arel_Nodes_And" do node = Nodes::And.new [@attr.eq(10), @attr.eq(11)] - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" = 10 AND "users"."id" = 11 } end it "should visit_Arel_Nodes_Or" do node = Nodes::Or.new @attr.eq(10), @attr.eq(11) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" = 10 OR "users"."id" = 11 } end @@ -256,25 +260,25 @@ module Arel Nodes::UnqualifiedColumn.new(column), Nodes::UnqualifiedColumn.new(column) ) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "id" = "id" } end it "should visit visit_Arel_Attributes_Time" do attr = Attributes::Time.new(@attr.relation, @attr.name) - @visitor.accept attr + compile attr end it "should visit_TrueClass" do test = Table.new(:users)[:bool].eq(true) - @visitor.accept(test).must_be_like %{ "users"."bool" = 't' } + compile(test).must_be_like %{ "users"."bool" = 't' } end describe "Nodes::Matches" do it "should know how to visit" do node = @table[:name].matches('foo%') - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."name" LIKE 'foo%' } end @@ -282,7 +286,7 @@ module Arel it 'can handle subqueries' do subquery = @table.project(:id).where(@table[:name].matches('foo%')) node = @attr.in subquery - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" IN (SELECT id FROM "users" WHERE "users"."name" LIKE 'foo%') } end @@ -291,7 +295,7 @@ module Arel describe "Nodes::DoesNotMatch" do it "should know how to visit" do node = @table[:name].does_not_match('foo%') - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."name" NOT LIKE 'foo%' } end @@ -299,7 +303,7 @@ module Arel it 'can handle subqueries' do subquery = @table.project(:id).where(@table[:name].does_not_match('foo%')) node = @attr.in subquery - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" IN (SELECT id FROM "users" WHERE "users"."name" NOT LIKE 'foo%') } end @@ -308,7 +312,7 @@ module Arel describe "Nodes::Ordering" do it "should know how to visit" do node = @attr.desc - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" DESC } end @@ -317,52 +321,52 @@ module Arel describe "Nodes::In" do it "should know how to visit" do node = @attr.in [1, 2, 3] - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" IN (1, 2, 3) } end it "should return 1=0 when empty right which is always false" do node = @attr.in [] - @visitor.accept(node).must_equal '1=0' + compile(node).must_equal '1=0' end it 'can handle two dot ranges' do node = @attr.in 1..3 - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" BETWEEN 1 AND 3 } end it 'can handle three dot ranges' do node = @attr.in 1...3 - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" >= 1 AND "users"."id" < 3 } end it 'can handle ranges bounded by infinity' do node = @attr.in 1..Float::INFINITY - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" >= 1 } node = @attr.in(-Float::INFINITY..3) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" <= 3 } node = @attr.in(-Float::INFINITY...3) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" < 3 } node = @attr.in(-Float::INFINITY..Float::INFINITY) - @visitor.accept(node).must_be_like %{1=1} + compile(node).must_be_like %{1=1} end it 'can handle subqueries' do table = Table.new(:users) subquery = table.project(:id).where(table[:name].eq('Aaron')) node = @attr.in subquery - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" IN (SELECT id FROM "users" WHERE "users"."name" = 'Aaron') } end @@ -383,29 +387,29 @@ module Arel visitor.expected = Table.engine.connection.columns(:users).find { |x| x.name == 'name' } - visitor.accept(in_node).must_equal %("users"."name" IN ('a', 'b', 'c')) + visitor.accept(in_node, Collectors::SQLString.new).value.must_equal %("users"."name" IN ('a', 'b', 'c')) end end describe "Nodes::InfixOperation" do it "should handle Multiplication" do node = Arel::Attributes::Decimal.new(Table.new(:products), :price) * Arel::Attributes::Decimal.new(Table.new(:currency_rates), :rate) - @visitor.accept(node).must_equal %("products"."price" * "currency_rates"."rate") + compile(node).must_equal %("products"."price" * "currency_rates"."rate") end it "should handle Division" do node = Arel::Attributes::Decimal.new(Table.new(:products), :price) / 5 - @visitor.accept(node).must_equal %("products"."price" / 5) + compile(node).must_equal %("products"."price" / 5) end it "should handle Addition" do node = Arel::Attributes::Decimal.new(Table.new(:products), :price) + 6 - @visitor.accept(node).must_equal %(("products"."price" + 6)) + compile(node).must_equal %(("products"."price" + 6)) end it "should handle Subtraction" do node = Arel::Attributes::Decimal.new(Table.new(:products), :price) - 7 - @visitor.accept(node).must_equal %(("products"."price" - 7)) + compile(node).must_equal %(("products"."price" - 7)) end it "should handle arbitrary operators" do @@ -414,59 +418,59 @@ module Arel Arel::Attributes::String.new(Table.new(:products), :name), Arel::Attributes::String.new(Table.new(:products), :name) ) - @visitor.accept(node).must_equal %("products"."name" || "products"."name") + compile(node).must_equal %("products"."name" || "products"."name") end end describe "Nodes::NotIn" do it "should know how to visit" do node = @attr.not_in [1, 2, 3] - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" NOT IN (1, 2, 3) } end it "should return 1=1 when empty right which is always true" do node = @attr.not_in [] - @visitor.accept(node).must_equal '1=1' + compile(node).must_equal '1=1' end it 'can handle two dot ranges' do node = @attr.not_in 1..3 - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" < 1 OR "users"."id" > 3 } end it 'can handle three dot ranges' do node = @attr.not_in 1...3 - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" < 1 OR "users"."id" >= 3 } end it 'can handle ranges bounded by infinity' do node = @attr.not_in 1..Float::INFINITY - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" < 1 } node = @attr.not_in(-Float::INFINITY..3) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" > 3 } node = @attr.not_in(-Float::INFINITY...3) - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" >= 3 } node = @attr.not_in(-Float::INFINITY..Float::INFINITY) - @visitor.accept(node).must_be_like %{1=0} + compile(node).must_be_like %{1=0} end it 'can handle subqueries' do table = Table.new(:users) subquery = table.project(:id).where(table[:name].eq('Aaron')) node = @attr.not_in subquery - @visitor.accept(node).must_be_like %{ + compile(node).must_be_like %{ "users"."id" NOT IN (SELECT id FROM "users" WHERE "users"."name" = 'Aaron') } end @@ -487,21 +491,21 @@ module Arel visitor.expected = Table.engine.connection.columns(:users).find { |x| x.name == 'name' } - visitor.accept(in_node).must_equal %("users"."name" NOT IN ('a', 'b', 'c')) + compile(in_node).must_equal %("users"."name" NOT IN ('a', 'b', 'c')) end end describe 'Constants' do it "should handle true" do test = Table.new(:users).create_true - @visitor.accept(test).must_be_like %{ + compile(test).must_be_like %{ TRUE } end it "should handle false" do test = Table.new(:users).create_false - @visitor.accept(test).must_be_like %{ + compile(test).must_be_like %{ FALSE } end @@ -510,7 +514,7 @@ module Arel describe 'TableAlias' do it "should use the underlying table for checking columns" do test = Table.new(:users).alias('zomgusers')[:id].eq '3' - @visitor.accept(test).must_be_like %{ + compile(test).must_be_like %{ "zomgusers"."id" = 3 } end @@ -522,7 +526,7 @@ module Arel core.set_quantifier = Arel::Nodes::DistinctOn.new(Arel.sql('aaron')) assert_raises(NotImplementedError) do - @visitor.accept(core) + compile(core) end end end @@ -532,7 +536,7 @@ module Arel node = Arel::Nodes::Regexp.new(@table[:name], Nodes.build_quoted('foo%')) assert_raises(NotImplementedError) do - @visitor.accept(node) + compile(node) end end end @@ -542,7 +546,7 @@ module Arel node = Arel::Nodes::NotRegexp.new(@table[:name], Nodes.build_quoted('foo%')) assert_raises(NotImplementedError) do - @visitor.accept(node) + compile(node) end end end |