Frank Hunleth
df17e81d16
Before: iex> inspect(-1, base: :hex) "0x-1" After: iex> inspect(-1, base: :hex) "-0x1" This change also applies to the octal and binary base options.
585 lines
17 KiB
Elixir
585 lines
17 KiB
Elixir
Code.require_file("test_helper.exs", __DIR__)
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defmodule Inspect.AtomTest do
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use ExUnit.Case, async: true
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doctest Inspect
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test "basic" do
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assert inspect(:foo) == ":foo"
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end
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test "empty" do
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assert inspect(:"") == ":\"\""
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end
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test "true, false, nil" do
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assert inspect(false) == "false"
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assert inspect(true) == "true"
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assert inspect(nil) == "nil"
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end
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test "with uppercase letters" do
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assert inspect(:fOO) == ":fOO"
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assert inspect(:FOO) == ":FOO"
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end
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test "aliases" do
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assert inspect(Foo) == "Foo"
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assert inspect(Foo.Bar) == "Foo.Bar"
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assert inspect(Elixir) == "Elixir"
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assert inspect(Elixir.Foo) == "Foo"
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assert inspect(Elixir.Elixir) == "Elixir.Elixir"
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assert inspect(Elixir.Elixir.Foo) == "Elixir.Elixir.Foo"
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end
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test "with integers" do
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assert inspect(User1) == "User1"
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assert inspect(:user1) == ":user1"
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end
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test "with trailing ? or !" do
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assert inspect(:foo?) == ":foo?"
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assert inspect(:bar!) == ":bar!"
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assert inspect(:Foo?) == ":Foo?"
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end
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test "operators" do
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assert inspect(:+) == ":+"
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assert inspect(:<~) == ":<~"
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assert inspect(:~>) == ":~>"
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assert inspect(:&&&) == ":&&&"
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assert inspect(:~~~) == ":~~~"
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assert inspect(:<<~) == ":<<~"
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assert inspect(:~>>) == ":~>>"
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assert inspect(:<~>) == ":<~>"
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assert inspect(:<|>) == ":<|>"
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end
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test "with @" do
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assert inspect(:@) == ":@"
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assert inspect(:foo@bar) == ":foo@bar"
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assert inspect(:foo@bar@) == ":foo@bar@"
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assert inspect(:foo@bar@baz) == ":foo@bar@baz"
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end
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test "others" do
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assert inspect(:...) == ":..."
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assert inspect(:<<>>) == ":<<>>"
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assert inspect(:{}) == ":{}"
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assert inspect(:%{}) == ":%{}"
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assert inspect(:%) == ":%"
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assert inspect(:->) == ":->"
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end
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test "escaping" do
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assert inspect(:"hy-phen") == ~s(:"hy-phen")
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assert inspect(:"@hello") == ~s(:"@hello")
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assert inspect(:"Wat!?") == ~s(:"Wat!?")
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assert inspect(:"'quotes' and \"double quotes\"") == ~S(:"'quotes' and \"double quotes\"")
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end
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test "colors" do
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opts = [syntax_colors: [atom: :red]]
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assert inspect(:hello, opts) == "\e[31m:hello\e[0m"
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opts = [syntax_colors: [reset: :cyan]]
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assert inspect(:hello, opts) == ":hello"
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end
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# TODO: Remove this check once we depend only on 20
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# TODO: Remove String.to_atom/1 when we support 20+
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if :erlang.system_info(:otp_release) >= '20' do
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test "unicode" do
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assert inspect(String.to_atom("olá")) == ":olá"
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assert inspect(String.to_atom("Olá")) == ":Olá"
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assert inspect(String.to_atom("Ólá")) == ":Ólá"
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hello_world = String.to_atom("こんにちは世界")
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assert inspect(hello_world) == ":こんにちは世界"
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nfd = :unicode.characters_to_nfd_binary("olá")
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assert inspect(String.to_atom(nfd)) == ":\"#{nfd}\""
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end
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end
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end
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defmodule Inspect.BitStringTest do
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use ExUnit.Case, async: true
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test "bitstring" do
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assert inspect(<<1::12-integer-signed>>) == "<<0, 1::size(4)>>"
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assert inspect(<<1, 2, 3, 4, 5>>, pretty: true, width: 10) == "<<1, 2, 3,\n 4, 5>>"
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end
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test "binary" do
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assert inspect("foo") == "\"foo\""
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assert inspect(<<?a, ?b, ?c>>) == "\"abc\""
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end
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test "escape" do
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assert inspect("f\no") == "\"f\\no\""
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assert inspect("f\\o") == "\"f\\\\o\""
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assert inspect("f\ao") == "\"f\\ao\""
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end
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test "UTF-8" do
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assert inspect(" ゆんゆん") == "\" ゆんゆん\""
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end
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test "all escapes" do
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assert inspect("\a\b\d\e\f\n\r\s\t\v") == "\"\\a\\b\\d\\e\\f\\n\\r \\t\\v\""
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end
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test "opt infer" do
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assert inspect(<<"john", 193, "doe">>, binaries: :infer) ==
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~s(<<106, 111, 104, 110, 193, 100, 111, 101>>)
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assert inspect(<<"john">>, binaries: :infer) == ~s("john")
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assert inspect(<<193>>, binaries: :infer) == ~s(<<193>>)
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end
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test "opt as strings" do
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assert inspect(<<"john", 193, "doe">>, binaries: :as_strings) == ~s("john\\xC1doe")
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assert inspect(<<"john">>, binaries: :as_strings) == ~s("john")
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assert inspect(<<193>>, binaries: :as_strings) == ~s("\\xC1")
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end
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test "opt as binaries" do
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assert inspect(<<"john", 193, "doe">>, binaries: :as_binaries) ==
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"<<106, 111, 104, 110, 193, 100, 111, 101>>"
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assert inspect(<<"john">>, binaries: :as_binaries) == "<<106, 111, 104, 110>>"
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assert inspect(<<193>>, binaries: :as_binaries) == "<<193>>"
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# base: :hex is recognized
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assert inspect("abc", binaries: :as_binary, base: :hex) == "<<0x61, 0x62, 0x63>>"
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# any base other than :decimal implies binaries: :as_binaries
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assert inspect("abc", base: :hex) == "<<0x61, 0x62, 0x63>>"
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assert inspect("abc", base: :octal) == "<<0o141, 0o142, 0o143>>"
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# size is still represented as decimal
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assert inspect(<<10, 11, 12::4>>, base: :hex) == "<<0xA, 0xB, 0xC::size(4)>>"
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end
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test "unprintable with opts" do
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assert inspect(<<193, 193, 193, 193>>, limit: 3) == "<<193, 193, 193, ...>>"
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end
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test "printable limit" do
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assert inspect("hello world", printable_limit: 4) == ~s("hell" <> ...)
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# non printable characters after the limit don't matter
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assert inspect("hello world" <> <<0>>, printable_limit: 4) == ~s("hell" <> ...)
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# non printable strings aren't affected by printable limit
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assert inspect(<<0, 1, 2, 3, 4>>, printable_limit: 3) == ~s(<<0, 1, 2, 3, 4>>)
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end
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test "utf-8 BOM" do
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assert inspect("\uFEFFhello world") == "\"\\uFEFFhello world\""
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end
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end
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defmodule Inspect.NumberTest do
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use ExUnit.Case, async: true
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test "integer" do
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assert inspect(100) == "100"
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end
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test "decimal" do
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assert inspect(100, base: :decimal) == "100"
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end
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test "hex" do
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assert inspect(100, base: :hex) == "0x64"
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assert inspect(-100, base: :hex) == "-0x64"
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end
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test "octal" do
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assert inspect(100, base: :octal) == "0o144"
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assert inspect(-100, base: :octal) == "-0o144"
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end
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test "binary" do
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assert inspect(86, base: :binary) == "0b1010110"
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assert inspect(-86, base: :binary) == "-0b1010110"
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end
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test "float" do
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assert inspect(1.0) == "1.0"
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assert inspect(1.0e10) == "1.0e10"
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assert inspect(1.0e10) == "1.0e10"
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assert inspect(1.0e-10) == "1.0e-10"
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end
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test "integer colors" do
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opts = [syntax_colors: [number: :red]]
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assert inspect(123, opts) == "\e[31m123\e[0m"
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opts = [syntax_colors: [reset: :cyan]]
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assert inspect(123, opts) == "123"
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end
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test "float colors" do
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opts = [syntax_colors: [number: :red]]
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assert inspect(1.3, opts) == "\e[31m1.3\e[0m"
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opts = [syntax_colors: [reset: :cyan]]
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assert inspect(1.3, opts) == "1.3"
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end
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end
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defmodule Inspect.TupleTest do
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use ExUnit.Case
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test "basic" do
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assert inspect({1, "b", 3}) == "{1, \"b\", 3}"
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assert inspect({1, "b", 3}, pretty: true, width: 1) == "{1,\n \"b\",\n 3}"
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assert inspect({1, "b", 3}, pretty: true, width: 10) == "{1, \"b\",\n 3}"
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end
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test "empty" do
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assert inspect({}) == "{}"
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end
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test "with limit" do
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assert inspect({1, 2, 3, 4}, limit: 3) == "{1, 2, 3, ...}"
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end
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test "colors" do
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opts = [syntax_colors: []]
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assert inspect({}, opts) == "{}"
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opts = [syntax_colors: [reset: :cyan]]
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assert inspect({}, opts) == "{}"
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assert inspect({:x, :y}, opts) == "{:x, :y}"
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opts = [syntax_colors: [reset: :cyan, atom: :red]]
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assert inspect({}, opts) == "{}"
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assert inspect({:x, :y}, opts) == "{\e[31m:x\e[36m, \e[31m:y\e[36m}"
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opts = [syntax_colors: [tuple: :green, reset: :cyan, atom: :red]]
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assert inspect({}, opts) == "\e[32m{\e[36m\e[32m}\e[36m"
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assert inspect({:x, :y}, opts) ==
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"\e[32m{\e[36m\e[31m:x\e[36m\e[32m,\e[36m \e[31m:y\e[36m\e[32m}\e[36m"
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end
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end
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defmodule Inspect.ListTest do
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use ExUnit.Case, async: true
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test "basic" do
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assert inspect([1, "b", 3]) == "[1, \"b\", 3]"
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assert inspect([1, "b", 3], pretty: true, width: 1) == "[1,\n \"b\",\n 3]"
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end
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test "printable" do
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assert inspect('abc') == "'abc'"
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end
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test "printable limit" do
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assert inspect('hello world', printable_limit: 4) == ~s('hell' ++ ...)
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# non printable characters after the limit don't matter
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assert inspect('hello world' ++ [0], printable_limit: 4) == ~s('hell' ++ ...)
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# non printable strings aren't affected by printable limit
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assert inspect([0, 1, 2, 3, 4], printable_limit: 3) == ~s([0, 1, 2, 3, 4])
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end
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test "keyword" do
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assert inspect(a: 1) == "[a: 1]"
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assert inspect(a: 1, b: 2) == "[a: 1, b: 2]"
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assert inspect(a: 1, a: 2, b: 2) == "[a: 1, a: 2, b: 2]"
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assert inspect("123": 1) == ~s(["123": 1])
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assert inspect([foo: [1, 2, 3], baz: [4, 5, 6]], pretty: true, width: 20) ==
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"[\n foo: [1, 2, 3],\n baz: [4, 5, 6]\n]"
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end
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test "opt infer" do
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assert inspect('john' ++ [0] ++ 'doe', charlists: :infer) ==
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"[106, 111, 104, 110, 0, 100, 111, 101]"
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assert inspect('john', charlists: :infer) == "'john'"
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assert inspect([0], charlists: :infer) == "[0]"
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end
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test "opt as strings" do
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assert inspect('john' ++ [0] ++ 'doe', charlists: :as_charlists) == "'john\\0doe'"
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assert inspect('john', charlists: :as_charlists) == "'john'"
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assert inspect([0], charlists: :as_charlists) == "'\\0'"
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end
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test "opt as lists" do
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assert inspect('john' ++ [0] ++ 'doe', charlists: :as_lists) ==
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"[106, 111, 104, 110, 0, 100, 111, 101]"
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assert inspect('john', charlists: :as_lists) == "[106, 111, 104, 110]"
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assert inspect([0], charlists: :as_lists) == "[0]"
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end
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test "non printable" do
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assert inspect([{:b, 1}, {:a, 1}]) == "[b: 1, a: 1]"
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end
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test "improper" do
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assert inspect([:foo | :bar]) == "[:foo | :bar]"
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assert inspect([1, 2, 3, 4, 5 | 42], pretty: true, width: 1) ==
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"[1,\n 2,\n 3,\n 4,\n 5 |\n 42]"
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end
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test "nested" do
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assert inspect(Enum.reduce(1..100, [0], &[&2, Integer.to_string(&1)]), limit: 5) ==
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"[[[[[[...], ...], \"97\"], \"98\"], \"99\"], \"100\"]"
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assert inspect(Enum.reduce(1..100, [0], &[&2 | Integer.to_string(&1)]), limit: 5) ==
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"[[[[[[...] | \"96\"] | \"97\"] | \"98\"] | \"99\"] | \"100\"]"
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end
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test "codepoints" do
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assert inspect('é') == "[233]"
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end
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test "empty" do
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assert inspect([]) == "[]"
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end
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test "with limit" do
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assert inspect([1, 2, 3, 4], limit: 3) == "[1, 2, 3, ...]"
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end
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test "colors" do
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opts = [syntax_colors: []]
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assert inspect([], opts) == "[]"
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opts = [syntax_colors: [reset: :cyan]]
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assert inspect([], opts) == "[]"
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assert inspect([:x, :y], opts) == "[:x, :y]"
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opts = [syntax_colors: [reset: :cyan, atom: :red]]
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assert inspect([], opts) == "[]"
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assert inspect([:x, :y], opts) == "[\e[31m:x\e[36m, \e[31m:y\e[36m]"
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opts = [syntax_colors: [reset: :cyan, atom: :red, list: :green]]
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assert inspect([], opts) == "\e[32m[]\e[36m"
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assert inspect([:x, :y], opts) ==
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"\e[32m[\e[36m\e[31m:x\e[36m\e[32m,\e[36m \e[31m:y\e[36m\e[32m]\e[36m"
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end
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test "keyword with colors" do
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opts = [syntax_colors: [reset: :cyan, list: :green, number: :blue]]
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assert inspect([], opts) == "\e[32m[]\e[36m"
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assert inspect([a: 9999], opts) == "\e[32m[\e[36ma: \e[34m9999\e[36m\e[32m]\e[36m"
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opts = [syntax_colors: [reset: :cyan, atom: :red, list: :green, number: :blue]]
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assert inspect([], opts) == "\e[32m[]\e[36m"
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assert inspect([a: 9999], opts) == "\e[32m[\e[36m\e[31ma:\e[36m \e[34m9999\e[36m\e[32m]\e[36m"
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end
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test "limit with colors" do
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opts = [limit: 1, syntax_colors: [reset: :cyan, list: :green, atom: :red]]
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assert inspect([], opts) == "\e[32m[]\e[36m"
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assert inspect([:x, :y], opts) == "\e[32m[\e[36m\e[31m:x\e[36m\e[32m,\e[36m ...\e[32m]\e[36m"
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end
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end
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defmodule Inspect.MapTest do
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use ExUnit.Case
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test "basic" do
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assert inspect(%{1 => "b"}) == "%{1 => \"b\"}"
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assert inspect(%{1 => "b", 2 => "c"}, pretty: true, width: 1) ==
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"%{\n 1 => \"b\",\n 2 => \"c\"\n}"
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end
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test "keyword" do
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assert inspect(%{a: 1}) == "%{a: 1}"
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assert inspect(%{a: 1, b: 2}) == "%{a: 1, b: 2}"
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assert inspect(%{a: 1, b: 2, c: 3}) == "%{a: 1, b: 2, c: 3}"
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end
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test "with limit" do
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assert inspect(%{1 => 1, 2 => 2, 3 => 3, 4 => 4}, limit: 3) ==
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"%{1 => 1, 2 => 2, 3 => 3, ...}"
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end
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defmodule Public do
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defstruct key: 0
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end
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defmodule Private do
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end
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test "public struct" do
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assert inspect(%Public{key: 1}) == "%Inspect.MapTest.Public{key: 1}"
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end
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test "public modified struct" do
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public = %Public{key: 1}
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assert inspect(Map.put(public, :foo, :bar)) ==
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"%{__struct__: Inspect.MapTest.Public, foo: :bar, key: 1}"
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end
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test "private struct" do
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assert inspect(%{__struct__: Private, key: 1}) ==
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"%{__struct__: Inspect.MapTest.Private, key: 1}"
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end
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defmodule Failing do
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defstruct key: 0
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defimpl Inspect do
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def inspect(struct, _) do
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struct.unknown
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end
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end
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end
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test "bad implementation unsafe" do
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msg =
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"got KeyError with message \"key :unknown not found in: " <>
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"%{__struct__: Inspect.MapTest.Failing, key: 0}\" while " <>
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"inspecting %{__struct__: Inspect.MapTest.Failing, key: 0}"
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assert_raise Inspect.Error, msg, fn ->
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inspect(%Failing{}, safe: false)
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end
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assert [{Inspect.Inspect.MapTest.Failing, :inspect, 2, _} | _] = System.stacktrace()
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end
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test "bad implementation safe" do
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msg =
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"got KeyError with message \"key :unknown not found in: " <>
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"%{__struct__: Inspect.MapTest.Failing, key: 0}\" while " <>
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"inspecting %{__struct__: Inspect.MapTest.Failing, key: 0}"
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assert inspect(%Failing{}) == inspect(%Inspect.Error{message: "#{msg}"})
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end
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test "bad implementation safe disables colors" do
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msg =
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"got KeyError with message \\\"key :unknown not found in: " <>
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"%{__struct__: Inspect.MapTest.Failing, key: 0}\\\" while " <>
|
|
"inspecting %{__struct__: Inspect.MapTest.Failing, key: 0}"
|
|
|
|
assert inspect(%Failing{}, syntax_colors: [atom: [:green]]) =~ msg
|
|
end
|
|
|
|
test "exception" do
|
|
assert inspect(%RuntimeError{message: "runtime error"}) ==
|
|
"%RuntimeError{message: \"runtime error\"}"
|
|
end
|
|
|
|
test "colors" do
|
|
opts = [syntax_colors: [reset: :cyan, atom: :red, number: :magenta]]
|
|
assert inspect(%{1 => 2}, opts) == "%{\e[35m1\e[36m => \e[35m2\e[36m}"
|
|
|
|
assert inspect(%{a: 1}, opts) == "%{\e[31ma:\e[36m \e[35m1\e[36m}"
|
|
|
|
assert inspect(%Public{key: 1}, opts) ==
|
|
"%Inspect.MapTest.Public{\e[31mkey:\e[36m \e[35m1\e[36m}"
|
|
|
|
opts = [syntax_colors: [reset: :cyan, atom: :red, map: :green, number: :blue]]
|
|
|
|
assert inspect(%{a: 9999}, opts) ==
|
|
"\e[32m%{\e[36m" <> "\e[31ma:\e[36m " <> "\e[34m9999\e[36m" <> "\e[32m}\e[36m"
|
|
end
|
|
end
|
|
|
|
defmodule Inspect.OthersTest do
|
|
use ExUnit.Case, async: true
|
|
|
|
def fun() do
|
|
fn -> :ok end
|
|
end
|
|
|
|
def unquote(:"weirdly named/fun-")() do
|
|
fn -> :ok end
|
|
end
|
|
|
|
test "external Elixir funs" do
|
|
bin = inspect(&Enum.map/2)
|
|
assert bin == "&Enum.map/2"
|
|
|
|
assert inspect(&__MODULE__."weirdly named/fun-"/0) ==
|
|
~s(&Inspect.OthersTest."weirdly named/fun-"/0)
|
|
end
|
|
|
|
test "external Erlang funs" do
|
|
bin = inspect(&:lists.map/2)
|
|
assert bin == "&:lists.map/2"
|
|
end
|
|
|
|
test "outdated functions" do
|
|
defmodule V do
|
|
def fun do
|
|
fn -> 1 end
|
|
end
|
|
end
|
|
|
|
Application.put_env(:elixir, :anony, V.fun())
|
|
Application.put_env(:elixir, :named, &V.fun/0)
|
|
|
|
:code.delete(V)
|
|
:code.purge(V)
|
|
|
|
anony = Application.get_env(:elixir, :anony)
|
|
named = Application.get_env(:elixir, :named)
|
|
|
|
assert inspect(anony) =~ ~r"#Function<0.\d+/0 in Inspect.OthersTest.V>"
|
|
assert inspect(named) =~ ~r"&Inspect.OthersTest.V.fun/0"
|
|
after
|
|
Application.delete_env(:elixir, :anony)
|
|
Application.delete_env(:elixir, :named)
|
|
end
|
|
|
|
test "other funs" do
|
|
assert "#Function<" <> _ = inspect(fn x -> x + 1 end)
|
|
assert "#Function<" <> _ = inspect(fun())
|
|
opts = [syntax_colors: []]
|
|
assert "#Function<" <> _ = inspect(fun(), opts)
|
|
opts = [syntax_colors: [reset: :red]]
|
|
assert "#Function<" <> rest = inspect(fun(), opts)
|
|
assert String.ends_with?(rest, ">")
|
|
|
|
inspected = inspect(__MODULE__."weirdly named/fun-"())
|
|
assert inspected =~ ~r(#Function<\d+\.\d+/0 in Inspect\.OthersTest\."weirdly named/fun-"/0>)
|
|
end
|
|
|
|
test "map set" do
|
|
assert "#MapSet<" <> _ = inspect(MapSet.new())
|
|
end
|
|
|
|
test "PIDs" do
|
|
assert "#PID<" <> _ = inspect(self())
|
|
opts = [syntax_colors: []]
|
|
assert "#PID<" <> _ = inspect(self(), opts)
|
|
opts = [syntax_colors: [reset: :cyan]]
|
|
assert "#PID<" <> rest = inspect(self(), opts)
|
|
assert String.ends_with?(rest, ">")
|
|
end
|
|
|
|
test "references" do
|
|
assert "#Reference<" <> _ = inspect(make_ref())
|
|
end
|
|
|
|
test "regex" do
|
|
assert inspect(~r(foo)m) == "~r/foo/m"
|
|
|
|
assert inspect(Regex.compile!("\a\b\d\e\f\n\r\s\t\v/")) ==
|
|
"~r/\\a\\x08\\x7F\\x1B\\f\\n\\r \\t\\v\\//"
|
|
|
|
assert inspect(~r<\a\b\d\e\f\n\r\s\t\v/>) == "~r/\\a\\b\\d\\e\\f\\n\\r\\s\\t\\v\\//"
|
|
assert inspect(~r" \\/ ") == "~r/ \\\\\\/ /"
|
|
assert inspect(~r/hi/, syntax_colors: [regex: :red]) == "\e[31m~r/hi/\e[0m"
|
|
end
|
|
end
|