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Added help message generation; Improved optional arguments handling.

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This commit is contained in:
mpeterv
2014-01-26 15:20:42 +04:00
parent d279429896
commit 404ec5213a
5 changed files with 116 additions and 3 deletions
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9
spec/usage_spec.lua
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@@ -3,11 +3,13 @@ local argparse = require "argparse"
describe("tests related to usage message generation", function()
it("creates correct usage message for empty parser", function()
local parser = argparse.parser "foo"
:add_help(false)
assert.equal(parser:prepare():get_usage(), "Usage: foo")
end)
it("creates correct usage message for arguments", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:argument "first"
parser:argument "second-and-third"
:args "2"
@@ -24,6 +26,7 @@ describe("tests related to usage message generation", function()
it("creates correct usage message for options", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:flag "-q" "--quiet"
parser:option "--from"
:count "1"
@@ -38,6 +41,7 @@ describe("tests related to usage message generation", function()
it("creates correct usage message for commands", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:flag "-q" "--quiet"
local run = parser:command "run"
run:option "--where"
@@ -50,8 +54,10 @@ describe("tests related to usage message generation", function()
it("creates correct usage message for subcommands", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:flag "-q" "--quiet"
local run = parser:command "run"
:add_help(false)
run:option "--where"
parser:prepare()
@@ -66,6 +72,7 @@ describe("tests related to usage message generation", function()
it("uses message provided by user", function()
local parser = argparse.parser "foo"
:usage "Usage: obvious"
:add_help(false)
parser:flag "-q" "--quiet"
assert.equal(
@@ -76,6 +83,7 @@ describe("tests related to usage message generation", function()
it("uses per-option message provided by user", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:flag "-q" "--quiet"
:usage "[-q | --quiet]"
@@ -87,6 +95,7 @@ describe("tests related to usage message generation", function()
it("uses argnames provided by user", function()
local parser = argparse.parser "foo"
:add_help(false)
parser:argument "inputs"
:args "1-2"
:argname "<input>"