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Refactor Condition so that it takes a parsed expression.

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This commit is contained in:
Dylan Thacker-Smith
2014-10-16 22:20:07 -04:00
parent d502b9282a
commit a1a128db19
4 changed files with 69 additions and 69 deletions
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120
test/unit/condition_unit_test.rb
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@@ -4,110 +4,111 @@ class ConditionUnitTest < Minitest::Test
include Liquid
def test_basic_condition
assert_equal false, Condition.new('1', '==', '2').evaluate
assert_equal true, Condition.new('1', '==', '1').evaluate
assert_equal false, Condition.new(1, '==', 2).evaluate
assert_equal true, Condition.new(1, '==', 1).evaluate
end
def test_default_operators_evalute_true
assert_evalutes_true '1', '==', '1'
assert_evalutes_true '1', '!=', '2'
assert_evalutes_true '1', '<>', '2'
assert_evalutes_true '1', '<', '2'
assert_evalutes_true '2', '>', '1'
assert_evalutes_true '1', '>=', '1'
assert_evalutes_true '2', '>=', '1'
assert_evalutes_true '1', '<=', '2'
assert_evalutes_true '1', '<=', '1'
assert_evalutes_true 1, '==', 1
assert_evalutes_true 1, '!=', 2
assert_evalutes_true 1, '<>', 2
assert_evalutes_true 1, '<', 2
assert_evalutes_true 2, '>', 1
assert_evalutes_true 1, '>=', 1
assert_evalutes_true 2, '>=', 1
assert_evalutes_true 1, '<=', 2
assert_evalutes_true 1, '<=', 1
# negative numbers
assert_evalutes_true '1', '>', '-1'
assert_evalutes_true '-1', '<', '1'
assert_evalutes_true '1.0', '>', '-1.0'
assert_evalutes_true '-1.0', '<', '1.0'
assert_evalutes_true 1, '>', -1
assert_evalutes_true -1, '<', 1
assert_evalutes_true 1.0, '>', -1.0
assert_evalutes_true -1.0, '<', 1.0
end
def test_default_operators_evalute_false
assert_evalutes_false '1', '==', '2'
assert_evalutes_false '1', '!=', '1'
assert_evalutes_false '1', '<>', '1'
assert_evalutes_false '1', '<', '0'
assert_evalutes_false '2', '>', '4'
assert_evalutes_false '1', '>=', '3'
assert_evalutes_false '2', '>=', '4'
assert_evalutes_false '1', '<=', '0'
assert_evalutes_false '1', '<=', '0'
assert_evalutes_false 1, '==', 2
assert_evalutes_false 1, '!=', 1
assert_evalutes_false 1, '<>', 1
assert_evalutes_false 1, '<', 0
assert_evalutes_false 2, '>', 4
assert_evalutes_false 1, '>=', 3
assert_evalutes_false 2, '>=', 4
assert_evalutes_false 1, '<=', 0
assert_evalutes_false 1, '<=', 0
end
def test_contains_works_on_strings
assert_evalutes_true "'bob'", 'contains', "'o'"
assert_evalutes_true "'bob'", 'contains', "'b'"
assert_evalutes_true "'bob'", 'contains', "'bo'"
assert_evalutes_true "'bob'", 'contains', "'ob'"
assert_evalutes_true "'bob'", 'contains', "'bob'"
assert_evalutes_true 'bob', 'contains', 'o'
assert_evalutes_true 'bob', 'contains', 'b'
assert_evalutes_true 'bob', 'contains', 'bo'
assert_evalutes_true 'bob', 'contains', 'ob'
assert_evalutes_true 'bob', 'contains', 'bob'
assert_evalutes_false "'bob'", 'contains', "'bob2'"
assert_evalutes_false "'bob'", 'contains', "'a'"
assert_evalutes_false "'bob'", 'contains', "'---'"
assert_evalutes_false 'bob', 'contains', 'bob2'
assert_evalutes_false 'bob', 'contains', 'a'
assert_evalutes_false 'bob', 'contains', '---'
end
def test_invalid_comparation_operator
assert_evaluates_argument_error "1", '~~', '0'
assert_evaluates_argument_error 1, '~~', 0
end
def test_comparation_of_int_and_str
assert_evaluates_argument_error "'1'", '>', '0'
assert_evaluates_argument_error "'1'", '<', '0'
assert_evaluates_argument_error "'1'", '>=', '0'
assert_evaluates_argument_error "'1'", '<=', '0'
assert_evaluates_argument_error '1', '>', 0
assert_evaluates_argument_error '1', '<', 0
assert_evaluates_argument_error '1', '>=', 0
assert_evaluates_argument_error '1', '<=', 0
end
def test_contains_works_on_arrays
@context = Liquid::Context.new
@context['array'] = [1,2,3,4,5]
array_expr = VariableLookup.new("array")
assert_evalutes_false "array", 'contains', '0'
assert_evalutes_true "array", 'contains', '1'
assert_evalutes_true "array", 'contains', '2'
assert_evalutes_true "array", 'contains', '3'
assert_evalutes_true "array", 'contains', '4'
assert_evalutes_true "array", 'contains', '5'
assert_evalutes_false "array", 'contains', '6'
assert_evalutes_false "array", 'contains', '"1"'
assert_evalutes_false array_expr, 'contains', 0
assert_evalutes_true array_expr, 'contains', 1
assert_evalutes_true array_expr, 'contains', 2
assert_evalutes_true array_expr, 'contains', 3
assert_evalutes_true array_expr, 'contains', 4
assert_evalutes_true array_expr, 'contains', 5
assert_evalutes_false array_expr, 'contains', 6
assert_evalutes_false array_expr, 'contains', "1"
end
def test_contains_returns_false_for_nil_operands
@context = Liquid::Context.new
assert_evalutes_false "not_assigned", 'contains', '0'
assert_evalutes_false "0", 'contains', 'not_assigned'
assert_evalutes_false VariableLookup.new('not_assigned'), 'contains', '0'
assert_evalutes_false 0, 'contains', VariableLookup.new('not_assigned')
end
def test_contains_return_false_on_wrong_data_type
assert_evalutes_false "1", 'contains', '0'
assert_evalutes_false 1, 'contains', 0
end
def test_or_condition
condition = Condition.new('1', '==', '2')
condition = Condition.new(1, '==', 2)
assert_equal false, condition.evaluate
condition.or Condition.new('2', '==', '1')
condition.or Condition.new(2, '==', 1)
assert_equal false, condition.evaluate
condition.or Condition.new('1', '==', '1')
condition.or Condition.new(1, '==', 1)
assert_equal true, condition.evaluate
end
def test_and_condition
condition = Condition.new('1', '==', '1')
condition = Condition.new(1, '==', 1)
assert_equal true, condition.evaluate
condition.and Condition.new('2', '==', '2')
condition.and Condition.new(2, '==', 2)
assert_equal true, condition.evaluate
condition.and Condition.new('2', '==', '1')
condition.and Condition.new(2, '==', 1)
assert_equal false, condition.evaluate
end
@@ -115,18 +116,17 @@ class ConditionUnitTest < Minitest::Test
def test_should_allow_custom_proc_operator
Condition.operators['starts_with'] = Proc.new { |cond, left, right| left =~ %r{^#{right}} }
assert_evalutes_true "'bob'", 'starts_with', "'b'"
assert_evalutes_false "'bob'", 'starts_with', "'o'"
ensure
Condition.operators.delete 'starts_with'
assert_evalutes_true 'bob', 'starts_with', 'b'
assert_evalutes_false 'bob', 'starts_with', 'o'
ensure
Condition.operators.delete 'starts_with'
end
def test_left_or_right_may_contain_operators
@context = Liquid::Context.new
@context['one'] = @context['another'] = "gnomeslab-and-or-liquid"
assert_evalutes_true "one", '==', "another"
assert_evalutes_true VariableLookup.new("one"), '==', VariableLookup.new("another")
end
private