José Valim
a1a3f0d42c
The previous behaviour was confusing and a special case. This enables negated switches only for booleans, otherwise it is considered as a regular switch (as the combination of --no-SWITCH for any other type is an error anyway).
289 lines
12 KiB
Elixir
289 lines
12 KiB
Elixir
Code.require_file "test_helper.exs", __DIR__
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defmodule OptionParserTest do
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use ExUnit.Case, async: true
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test "parses boolean option" do
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assert OptionParser.parse(["--docs"]) == {[docs: true], [], []}
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end
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test "parses alias boolean option as the alias key" do
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assert OptionParser.parse(["-d"], aliases: [d: :docs])
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== {[docs: true], [], []}
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end
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test "parses more than one boolean option" do
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assert OptionParser.parse(["--docs", "--compile"])
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== {[docs: true, compile: true], [], []}
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end
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test "parses more than one boolean options as the alias" do
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assert OptionParser.parse(["-d", "--compile"], aliases: [d: :docs])
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== {[docs: true, compile: true], [], []}
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end
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test "parses --key value option" do
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assert OptionParser.parse(["--source", "form_docs/"])
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== {[source: "form_docs/"], [], []}
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end
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test "parses --key=value option" do
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assert OptionParser.parse(["--source=form_docs/", "other"])
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== {[source: "form_docs/"], ["other"], []}
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end
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test "parses alias --key value option as the alias" do
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assert OptionParser.parse(["-s", "from_docs/"], aliases: [s: :source])
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== {[source: "from_docs/"], [], []}
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end
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test "parses alias --key=value option as the alias" do
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assert OptionParser.parse(["-s=from_docs/", "other"], aliases: [s: :source])
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== {[source: "from_docs/"], ["other"], []}
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end
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test "does not interpret undefined options with value as boolean" do
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assert OptionParser.parse(["--no-bool"])
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== {[no_bool: true], [], []}
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assert OptionParser.parse(["--no-bool"], strict: [])
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== {[], [], [{"--no-bool", nil}]}
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assert OptionParser.parse(["--no-bool=...", "other"])
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== {[no_bool: "..."], ["other"], []}
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end
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test "does not parse -- as an alias" do
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assert OptionParser.parse(["--s=from_docs/"], aliases: [s: :source])
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== {[s: "from_docs/"], [], []}
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end
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test "does not parse - as a switch" do
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assert OptionParser.parse(["-source=from_docs/"], aliases: [s: :source])
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== {[], [], [{"-source", "from_docs/"}]}
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end
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test "parses configured booleans" do
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assert OptionParser.parse(["--docs=false"], switches: [docs: :boolean])
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== {[docs: false], [], []}
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assert OptionParser.parse(["--docs=true"], switches: [docs: :boolean])
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== {[docs: true], [], []}
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assert OptionParser.parse(["--docs=other"], switches: [docs: :boolean])
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== {[], [], [{"--docs", "other"}]}
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assert OptionParser.parse(["--docs="], switches: [docs: :boolean])
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== {[], [], [{"--docs", ""}]}
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assert OptionParser.parse(["--docs", "foo"], switches: [docs: :boolean])
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== {[docs: true], ["foo"], []}
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assert OptionParser.parse(["--no-docs", "foo"], switches: [docs: :boolean])
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== {[docs: false], ["foo"], []}
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assert OptionParser.parse(["--no-docs=foo", "bar"], switches: [docs: :boolean])
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== {[], ["bar"], [{"--no-docs", "foo"}]}
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assert OptionParser.parse(["--no-docs=", "bar"], switches: [docs: :boolean])
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== {[], ["bar"], [{"--no-docs", ""}]}
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end
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test "does not set unparsed booleans" do
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assert OptionParser.parse(["foo"], switches: [docs: :boolean])
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== {[], ["foo"], []}
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end
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test "keeps options on configured keep" do
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args = ["--require", "foo", "--require", "bar", "baz"]
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assert OptionParser.parse(args, switches: [require: :keep])
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== {[require: "foo", require: "bar"], ["baz"], []}
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assert OptionParser.parse(["--require"], switches: [require: :keep])
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== {[], [], [{"--require", nil}]}
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end
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test "parses configured strings" do
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assert OptionParser.parse(["--value", "1", "foo"], switches: [value: :string])
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== {[value: "1"], ["foo"], []}
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assert OptionParser.parse(["--value=1", "foo"], switches: [value: :string])
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== {[value: "1"], ["foo"], []}
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assert OptionParser.parse(["--value"], switches: [value: :string])
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== {[], [], [{"--value", nil}]}
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assert OptionParser.parse(["--no-value"], switches: [value: :string])
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== {[no_value: true], [], []}
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end
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test "parses configured integers" do
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assert OptionParser.parse(["--value", "1", "foo"], switches: [value: :integer])
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== {[value: 1], ["foo"], []}
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assert OptionParser.parse(["--value=1", "foo"], switches: [value: :integer])
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== {[value: 1], ["foo"], []}
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assert OptionParser.parse(["--value", "WAT", "foo"], switches: [value: :integer])
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== {[], ["foo"], [{"--value", "WAT"}]}
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end
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test "parses configured integers with keep" do
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args = ["--value", "1", "--value", "2", "foo"]
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assert OptionParser.parse(args, switches: [value: [:integer, :keep]])
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== {[value: 1, value: 2], ["foo"], []}
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args = ["--value=1", "foo", "--value=2", "bar"]
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assert OptionParser.parse(args, switches: [value: [:integer, :keep]])
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== {[value: 1, value: 2], ["foo", "bar"], []}
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end
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test "parses configured floats" do
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assert OptionParser.parse(["--value", "1.0", "foo"], switches: [value: :float])
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== {[value: 1.0], ["foo"], []}
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assert OptionParser.parse(["--value=1.0", "foo"], switches: [value: :float])
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== {[value: 1.0], ["foo"], []}
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assert OptionParser.parse(["--value", "WAT", "foo"], switches: [value: :float])
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== {[], ["foo"], [{"--value", "WAT"}]}
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end
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test "overrides options by default" do
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assert OptionParser.parse(["--require", "foo", "--require", "bar", "baz"])
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== {[require: "bar"], ["baz"], []}
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end
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test "parses mixed options" do
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args = ["--source", "from_docs/", "--compile", "-x"]
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assert OptionParser.parse(args, aliases: [x: :x])
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== {[source: "from_docs/", compile: true, x: true], [], []}
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end
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test "stops on first non option arguments" do
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args = ["--source", "from_docs/", "test/enum_test.exs", "--verbose"]
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assert OptionParser.parse_head(args)
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== {[source: "from_docs/"], ["test/enum_test.exs", "--verbose"], []}
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end
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test "stops on --" do
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options = OptionParser.parse(["--source", "foo", "--", "1", "2", "3"])
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assert options == {[source: "foo"], ["1", "2", "3"], []}
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options = OptionParser.parse_head(["--source", "foo", "--", "1", "2", "3"])
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assert options == {[source: "foo"], ["1", "2", "3"], []}
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options = OptionParser.parse(["--source", "foo", "bar", "--", "-x"])
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assert options == {[source: "foo"], ["bar", "-x"], []}
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options = OptionParser.parse_head(["--source", "foo", "bar", "--", "-x"])
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assert options == {[source: "foo"], ["bar", "--", "-x"], []}
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end
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test "goes beyond the first non option arguments" do
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args = ["--source", "from_docs/", "test/enum_test.exs", "--verbose"]
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assert OptionParser.parse(args)
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== {[source: "from_docs/", verbose: true], ["test/enum_test.exs"], []}
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end
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test "parses more than one key/value options" do
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assert OptionParser.parse(["--source", "from_docs/", "--docs", "show"])
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== {[source: "from_docs/", docs: "show"], [], []}
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end
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test "collects multiple invalid options" do
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args = ["--bad", "opt", "foo", "-o", "bad", "bar"]
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assert OptionParser.parse(args, switches: [bad: :integer])
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== {[], ["foo", "bar"], [{"--bad", "opt"}, {"-o", "bad"}]}
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end
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test "parses more than one key/value options using strict" do
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assert OptionParser.parse(["--source", "from_docs/", "--docs", "show"],
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strict: [source: :string, docs: :string])
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== {[source: "from_docs/", docs: "show"], [], []}
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assert OptionParser.parse(["--source", "from_docs/", "--doc", "show"],
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strict: [source: :string, docs: :string])
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== {[source: "from_docs/"], ["show"], [{"--doc", nil}]}
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assert OptionParser.parse(["--source", "from_docs/", "--doc=show"],
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strict: [source: :string, docs: :string])
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== {[source: "from_docs/"], [], [{"--doc", nil}]}
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end
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test "parses - as argument" do
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assert OptionParser.parse(["-a", "-", "-", "-b", "-"], aliases: [b: :boo])
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== {[boo: "-"], ["-"], [{"-a", "-"}]}
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assert OptionParser.parse(["--foo", "-", "-b", "-"], strict: [foo: :boolean, boo: :string], aliases: [b: :boo])
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== {[foo: true, boo: "-"], ["-"], []}
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end
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test "multi-word option" do
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config = [switches: [hello_world: :boolean]]
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assert OptionParser.next(["--hello-world"], config)
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== {:ok, :hello_world, true, []}
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assert OptionParser.next(["--no-hello-world"], config)
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== {:ok, :hello_world, false, []}
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assert OptionParser.next(["--hello-world"], [])
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== {:ok, :hello_world, true, []}
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assert OptionParser.next(["--no-hello-world"], [])
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== {:ok, :no_hello_world, true, []}
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assert OptionParser.next(["--hello_world"], [])
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== {:invalid, "--hello_world", nil, []}
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assert OptionParser.next(["--no-hello_world"], [])
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== {:invalid, "--no-hello_world", nil, []}
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assert OptionParser.next(["--no-hello-world"], strict: [])
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== {:undefined, "--no-hello-world", nil, []}
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assert OptionParser.next(["--no-hello_world"], strict: [])
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== {:undefined, "--no-hello_world", nil, []}
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config = [strict: [hello_world: :boolean]]
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assert OptionParser.next(["--hello-world"], config)
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== {:ok, :hello_world, true, []}
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assert OptionParser.next(["--no-hello-world"], config)
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== {:ok, :hello_world, false, []}
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assert OptionParser.next(["--hello_world"], config)
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== {:undefined, "--hello_world", nil, []}
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assert OptionParser.next(["--no-hello_world"], config)
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== {:undefined, "--no-hello_world", nil, []}
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end
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test "next strict: good options" do
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config = [strict: [str: :string, int: :integer, bool: :boolean]]
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assert OptionParser.next(["--str", "hello", "..."], config)
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== {:ok, :str, "hello", ["..."]}
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assert OptionParser.next(["--int=13", "..."], config)
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== {:ok, :int, 13, ["..."]}
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assert OptionParser.next(["--bool=false", "..."], config)
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== {:ok, :bool, false, ["..."]}
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assert OptionParser.next(["--no-bool", "..."], config)
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== {:ok, :bool, false, ["..."]}
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assert OptionParser.next(["--bool", "..."], config)
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== {:ok, :bool, true, ["..."]}
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assert OptionParser.next(["..."], config)
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== {:error, ["..."]}
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end
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test "next strict: unknown options" do
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config = [strict: [bool: :boolean]]
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assert OptionParser.next(["--str", "13", "..."], config)
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== {:undefined, "--str", nil, ["13", "..."]}
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assert OptionParser.next(["--int=hello", "..."], config)
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== {:undefined, "--int", "hello", ["..."]}
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assert OptionParser.next(["-no-bool=other", "..."], config)
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== {:undefined, "-no-bool", "other", ["..."]}
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end
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test "next strict: bad type" do
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config = [strict: [str: :string, int: :integer, bool: :boolean]]
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assert OptionParser.next(["--str", "13", "..."], config)
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== {:ok, :str, "13", ["..."]}
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assert OptionParser.next(["--int=hello", "..."], config)
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== {:invalid, "--int", "hello", ["..."]}
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assert OptionParser.next(["--int", "hello", "..."], config)
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== {:invalid, "--int", "hello", ["..."]}
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assert OptionParser.next(["--bool=other", "..."], config)
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== {:invalid, "--bool", "other", ["..."]}
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end
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test "next strict: missing value" do
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config = [strict: [str: :string, int: :integer, bool: :boolean]]
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assert OptionParser.next(["--str"], config)
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== {:invalid, "--str", nil, []}
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assert OptionParser.next(["--int"], config)
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== {:invalid, "--int", nil, []}
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assert OptionParser.next(["--bool=", "..."], config)
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== {:invalid, "--bool", "", ["..."]}
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assert OptionParser.next(["--no-bool=", "..."], config)
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== {:invalid, "--no-bool", "", ["..."]}
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end
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end
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