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require('plenary.test_harness'):setup_busted()
local transform_mod = require('telescope.actions.mt').transform_mod
local eq = function(a, b)
assert.are.same(a, b)
end
describe('actions', function()
it('should allow creating custom actions', function()
local a = transform_mod {
x = function() return 5 end,
}
eq(5, a.x())
end)
it('allows adding actions', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local x_plus_y = a.x + a.y
eq({"x", "y"}, {x_plus_y()})
end)
it('ignores nils from added actions', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
nil_maker = function() return nil end,
}
local x_plus_y = a.x + a.nil_maker + a.y
eq({"x", "y"}, {x_plus_y()})
end)
it('allows overriding an action', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
-- actions.file_goto_selection_edit:replace(...)
a.x:replace(function() return "foo" end)
eq("foo", a.x())
a._clear()
eq("x", a.x())
end)
it('enhance.pre', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local called_pre = false
a.y:enhance {
pre = function()
called_pre = true
end,
}
eq("y", a.y())
eq(true, called_pre)
end)
it('enhance.post', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local called_post = false
a.y:enhance {
post = function()
called_post = true
end,
}
eq("y", a.y())
eq(true, called_post)
end)
it('can call both', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local called_count = 0
local count_inc = function()
called_count = called_count + 1
end
a.y:enhance {
pre = count_inc,
post = count_inc,
}
eq("y", a.y())
eq(2, called_count)
end)
it('can call both even when combined', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local called_count = 0
local count_inc = function()
called_count = called_count + 1
end
a.y:enhance {
pre = count_inc,
post = count_inc,
}
a.x:enhance {
post = count_inc
}
local x_plus_y = a.x + a.y
x_plus_y()
eq(3, called_count)
end)
it('clears enhance', function()
local a = transform_mod {
x = function() return "x" end,
y = function() return "y" end,
}
local called_post = false
a.y:enhance {
post = function()
called_post = true
end,
}
a._clear()
eq("y", a.y())
eq(false, called_post)
end)
it('handles passing arguments', function()
local a = transform_mod {
x = function(bufnr) return string.format("bufnr: %s") end,
}
a.x:replace(function(bufnr) return string.format("modified: %s", bufnr) end)
eq("modified: 5", a.x(5))
end)
end)
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