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package.path = '../common/libs/?.lua;../common/vendor/?.lua;' .. package.path
local lu = require('luaunit')
require('Polo')
require('source/ColumnLayout')
TestColumnLayout = {
AVAIL_WIDTH = 100
}
function TestColumnLayout:stub(layout)
layout._column_gap_calls = {}
layout._column_gap = function (self, padding)
table.insert(self._column_gap_calls, {padding})
end
layout._get_avail_width_calls = 0
layout._get_avail_width = function (self)
self._get_avail_width_calls = self._get_avail_width_calls + 1
return TestColumnLayout.AVAIL_WIDTH
end
layout._horiz_margin_calls = {}
layout._horiz_margin = function (self, margin)
table.insert(self._horiz_margin_calls, {margin})
end
layout._vert_margin_calls = {}
layout._vert_margin = function (self, margin, width)
table.insert(self._vert_margin_calls, {margin, width})
end
layout._with_group_calls = 0
layout._with_group = function (self, f)
self._with_group_calls = self._with_group_calls + 1
f()
end
end
function TestColumnLayout:testInitDefault()
local layout = ColumnLayout.new {
render_column = function () end
}
lu.assertEquals(layout.column_padding, ColumnLayout.DEFAULT_COLUMN_PADDING)
lu.assertEquals(layout.margin_bottom, 0)
lu.assertEquals(layout.margin_left, 0)
lu.assertEquals(layout.margin_right, 0)
lu.assertEquals(layout.margin_top, 0)
lu.assertEquals(layout.num_columns, ColumnLayout.DEFAULT_NUM_COLUMNS)
lu.assertEquals(layout.width, 0)
end
function TestColumnLayout:testRender()
local column_padding = 20
local margin_bottom = 15
local margin_left = 10
local margin_right = 30
local margin_top = 5
local num_columns = 2
local expected_column_width = (
self.AVAIL_WIDTH
- margin_left
- margin_right
- column_padding
) / num_columns
local render_column_calls = {}
local layout = ColumnLayout.new {
column_padding = column_padding,
margin_bottom = margin_bottom,
margin_left = margin_left,
margin_right = margin_right,
margin_top = margin_top,
num_columns = num_columns,
render_column = function (column)
table.insert(render_column_calls, {column})
end
}
self:stub(layout)
layout:render()
lu.assertEquals(layout._column_gap_calls, {{column_padding}})
lu.assertEquals(layout._get_avail_width_calls, 1)
lu.assertEquals(layout._horiz_margin_calls, {{margin_left}})
lu.assertEquals(layout._vert_margin_calls, {
{margin_top, expected_column_width},
{margin_bottom, expected_column_width},
{margin_top, expected_column_width},
{margin_bottom, expected_column_width},
})
lu.assertEquals(layout._with_group_calls, num_columns)
lu.assertEquals(render_column_calls, {
{{num = 1, width = expected_column_width}},
{{num = 2, width = expected_column_width}},
})
end
function TestColumnLayout:testRenderWithWidth()
local column_padding = 15
local margin_bottom = 10
local margin_left = 5
local margin_right = 20
local margin_top = 25
local num_columns = 3
local width = 205
local expected_column_width = 50
local render_column_calls = {}
local layout = ColumnLayout.new {
column_padding = column_padding,
margin_bottom = margin_bottom,
margin_left = margin_left,
margin_right = margin_right,
margin_top = margin_top,
num_columns = num_columns,
width = width,
render_column = function (column)
table.insert(render_column_calls, {column})
end
}
self:stub(layout)
layout:render()
lu.assertEquals(layout._column_gap_calls, {{column_padding}, {column_padding}})
lu.assertEquals(layout._get_avail_width_calls, 0)
lu.assertEquals(layout._horiz_margin_calls, {{margin_left}})
lu.assertEquals(layout._vert_margin_calls, {
{margin_top, expected_column_width},
{margin_bottom, expected_column_width},
{margin_top, expected_column_width},
{margin_bottom, expected_column_width},
{margin_top, expected_column_width},
{margin_bottom, expected_column_width},
})
lu.assertEquals(layout._with_group_calls, num_columns)
lu.assertEquals(render_column_calls, {
{{num = 1, width = expected_column_width}},
{{num = 2, width = expected_column_width}},
{{num = 3, width = expected_column_width}},
})
end
function TestColumnLayout:testRenderNested()
local inner_renders = {}
local outer_renders = {}
local outer_layout = ColumnLayout.new {
column_padding = 0,
num_columns = 2,
width = 60,
render_column = function (outer_column)
table.insert(outer_renders, outer_column)
local inner_layout = ColumnLayout.new {
column_padding = 0,
num_columns = 3,
width = outer_column.width,
render_column = function (inner_column)
table.insert(inner_renders, inner_column)
end
}
self:stub(inner_layout)
inner_layout:render()
end
}
self:stub(outer_layout)
outer_layout:render()
lu.assertEquals(inner_renders, {
{num=1, width=10},
{num=2, width=10},
{num=3, width=10},
{num=1, width=10},
{num=2, width=10},
{num=3, width=10},
})
lu.assertEquals(outer_renders, {
{num=1, width=30},
{num=2, width=30},
})
end
os.exit(lu.LuaUnit.run())
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