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Allow using multiple constructor arguments for configuring elements

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Disable undocumented ability to specify aliases as arguments
for constructors, e.g. parser:option("-f", "--foo"), and instead
order properties and pass constructor arguments to them.
E.g. parser:argument("foo", "A foo that bars") sets argument
name to foo and description to "A foo that bars".

TODO: remove "aliases" property, instead allow setting several
names in one string by separating them using space.
TODO: reorder properties so that most useful ones could be used
as constructor arguments.
This commit is contained in:
mpeterv
2015-06-09 21:54:18 +03:00
parent 476ad19de8
commit ff9abac990
5 changed files with 303 additions and 305 deletions
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36
spec/default_spec.lua
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@@ -15,31 +15,31 @@ describe("tests related to default values", function()
it("handles default argument for multi-argument correctly", function()
local parser = Parser()
parser:argument("foo", {
parser:argument "foo" {
args = 3,
default = "bar",
defmode = "arg"
})
}
local args = parser:parse{"baz"}
assert.same({foo = {"baz", "bar", "bar"}}, args)
end)
it("handles default value for multi-argument correctly", function()
local parser = Parser()
parser:argument("foo", {
parser:argument "foo" {
args = 3,
default = "bar"
})
}
local args = parser:parse{}
assert.same({foo = {"bar", "bar", "bar"}}, args)
end)
it("does not use default values if not needed", function()
local parser = Parser()
parser:argument("foo", {
parser:argument "foo" {
args = "1-2",
default = "bar"
})
}
local args = parser:parse({"baz"})
assert.same({foo = {"baz"}}, args)
end)
@@ -60,20 +60,20 @@ describe("tests related to default values", function()
it("handles option with default value for multi-argument option correctly", function()
local parser = Parser()
parser:option("-s", "--several", {
parser:option "-s" "--several" {
default = "foo",
args = "2-3"
})
}
local args = parser:parse{}
assert.same({several = {"foo", "foo"}}, args)
end)
it("handles option with default value and argument", function()
local parser = Parser()
parser:option("-o", "--output", {
parser:option "-o" "--output" {
default = "a.out",
defmode = "arg+count"
})
}
local args = parser:parse{}
assert.same({output = "a.out"}, args)
args = parser:parse{"-o"}
@@ -94,43 +94,43 @@ describe("tests related to default values", function()
it("doesn't use default argument if option is not invoked", function()
local parser = Parser()
parser:option("-f", "--foo", {
parser:option "-f" "--foo" {
default = "bar",
defmode = "arg"
})
}
local args = parser:parse{}
assert.same({}, args)
end)
it("handles default multi-argument correctly", function()
local parser = Parser()
parser:option("-f", "--foo", {
parser:option "-f" "--foo" {
args = 3,
default = "bar",
defmode = "arg"
})
}
local args = parser:parse({"--foo=baz"})
assert.same({foo = {"baz", "bar", "bar"}}, args)
end)
it("does not use default values if not needed", function()
local parser = Parser()
parser:option("-f", "--foo", {
parser:option "-f" "--foo" {
args = "1-2",
default = "bar",
defmode = "arg"
})
}
local args = parser:parse({"-f", "baz"})
assert.same({foo = {"baz"}}, args)
end)
it("handles multi-count options with default value correctly", function()
local parser = Parser()
parser:option("-f", "--foo", {
parser:option "-f" "--foo" {
count = "*",
default = "bar",
defmode = "arg + count"
})
}
local args = parser:parse({"-f", "--foo=baz", "--foo"})
assert.same({foo = {"bar", "baz", "bar"}}, args)
end)