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# frozen_string_literal: true
require 'test_helper'
class PartialCacheUnitTest < Minitest::Test
def test_uses_the_file_system_register_if_present
context = Liquid::Context.build(
registers: {
file_system: StubFileSystem.new('my_partial' => 'my partial body'),
}
)
partial = Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new
)
assert_equal('my partial body', partial.render)
end
def test_reads_from_the_file_system_only_once_per_file
file_system = StubFileSystem.new('my_partial' => 'some partial body')
context = Liquid::Context.build(
registers: { file_system: file_system }
)
2.times do
Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new
)
end
assert_equal(1, file_system.file_read_count)
end
def test_cache_state_is_stored_per_context
parse_context = Liquid::ParseContext.new
shared_file_system = StubFileSystem.new(
'my_partial' => 'my shared value'
)
context_one = Liquid::Context.build(
registers: {
file_system: shared_file_system,
}
)
context_two = Liquid::Context.build(
registers: {
file_system: shared_file_system,
}
)
2.times do
Liquid::PartialCache.load(
'my_partial',
context: context_one,
parse_context: parse_context
)
end
Liquid::PartialCache.load(
'my_partial',
context: context_two,
parse_context: parse_context
)
assert_equal(2, shared_file_system.file_read_count)
end
def test_cache_is_not_broken_when_a_different_parse_context_is_used
file_system = StubFileSystem.new('my_partial' => 'some partial body')
context = Liquid::Context.build(
registers: { file_system: file_system }
)
Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new(my_key: 'value one')
)
Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new(my_key: 'value two')
)
# Technically what we care about is that the file was parsed twice,
# but measuring file reads is an OK proxy for this.
assert_equal(1, file_system.file_read_count)
end
def test_uses_default_template_factory_when_no_template_factory_found_in_register
context = Liquid::Context.build(
registers: {
file_system: StubFileSystem.new('my_partial' => 'my partial body'),
}
)
partial = Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new
)
assert_equal('my partial body', partial.render)
end
def test_uses_template_factory_register_if_present
template_factory = StubTemplateFactory.new
context = Liquid::Context.build(
registers: {
file_system: StubFileSystem.new('my_partial' => 'my partial body'),
template_factory: template_factory,
}
)
partial = Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: Liquid::ParseContext.new
)
assert_equal('my partial body', partial.render)
assert_equal(1, template_factory.count)
end
def test_cache_state_is_shared_for_subcontexts
parse_context = Liquid::ParseContext.new
shared_file_system = StubFileSystem.new(
'my_partial' => 'my shared value'
)
context = Liquid::Context.build(
registers: Liquid::Registers.new(
file_system: shared_file_system,
)
)
subcontext = context.new_isolated_subcontext
assert_equal(subcontext.registers[:cached_partials].object_id, context.registers[:cached_partials].object_id)
2.times do
Liquid::PartialCache.load(
'my_partial',
context: context,
parse_context: parse_context
)
Liquid::PartialCache.load(
'my_partial',
context: subcontext,
parse_context: parse_context
)
end
assert_equal(1, shared_file_system.file_read_count)
end
end
|
