164 lines
6.0 KiB
Elixir
164 lines
6.0 KiB
Elixir
Code.require_file "../../test_helper", __FILE__
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defmodule Elixir.ErrorsTest do
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use ExUnit.Case
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defmodule __MODULE__.UnproperMacro do
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defmacro unproper(args), do: args
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defmacro exit(args), do: args
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end
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test :invalid_token do
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assert_equal "nofile:1: invalid token: \end", format_rescue '\end'
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end
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test :invalid_partial do
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assert_equal "nofile:1: partial variable &2 cannot be defined without &1", format_rescue '&2 + 3'
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end
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test :syntax_error do
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assert_equal "nofile:1: syntax error before: '}'", format_rescue 'case 1 do }'
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end
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test :syntax_error_with_no_token do
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assert_equal "nofile:1: syntax error: expression is incomplete", format_rescue 'case 1 do'
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end
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test :bad_form do
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assert_equal "nofile:2: function bar/0 undefined", format_rescue 'defmodule Foo do\ndef foo, do: bar\nend'
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end
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test :unbound_var do
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assert_equal "nofile:1: unbound variable ^x", format_rescue('^x = 1')
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end
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test :unbound_not_assignment do
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assert_equal "nofile:1: cannot access variable ^x outside of assignment", format_rescue('^x')
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end
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test :unbound_expr do
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assert_equal "nofile:1: cannot use ^ with expression at ^x, ^ must be used only with variables", format_rescue('^x(1)')
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end
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test :name_for_defmodule do
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assert_equal "nofile:1: invalid module name: 3", format_rescue 'defmodule 1 + 2, do: 3'
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end
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test :invalid_scope_for_function do
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assert_equal "nofile:1: cannot invoke def outside module", format_rescue 'def Foo, do: 2'
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assert_equal "nofile:3: cannot invoke defmacro outside module", format_rescue '\n\ndefmacro Foo, do: 2'
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end
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test :invalid_quote_args do
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assert_equal "nofile:1: invalid args for quote", format_rescue 'quote 1'
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end
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test :invalid_fn_args do
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assert_equal "nofile:1: no block given to fn", format_rescue 'fn 1'
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end
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test :unproper_macro do
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assert_equal "nofile:4: key value blocks not supported by __MAIN__.Elixir.ErrorsTest.UnproperMacro.unproper/1",
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format_rescue 'defmodule Foo do\nrequire Elixir.ErrorsTest.UnproperMacro\nElixir.ErrorsTest.UnproperMacro.unproper do\nmatch: 1\nmatch: 2\nend\nend'
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end
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test :macro_conflict do
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assert_equal "nofile:1: imported __MAIN__.Elixir.Builtin.defrecord/2 conflicts with local function",
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format_rescue 'defmodule Foo do\ndefrecord(Elixir.ErrorsTest.MacroConflict, a: 1)\ndef defrecord(_, _), do: OMG\nend'
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end
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test :erlang_function_conflict do
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assert_equal "nofile:1: function exit/1 already imported from erlang",
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format_rescue 'defmodule Foo do import Elixir.ErrorsTest.UnproperMacro, only: [exit: 1]\nend'
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end
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test :import_invalid_macro do
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assert_equal "nofile:2: cannot import __MAIN__.Elixir.Builtin.invalid/1 because it doesn't exist",
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format_rescue 'defmodule Foo do\nimport Elixir.Builtin, only: [invalid: 1]\nend'
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end
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test :unrequired_macro do
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assert_equal "nofile:2: tried to invoke macro __MAIN__.Elixir.ErrorsTest.UnproperMacro.unproper/1 but module was not required. Required: ['__MAIN__.Elixir.Builtin']",
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format_rescue 'defmodule Foo do\nElixir.ErrorsTest.UnproperMacro.unproper([])\nend'
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end
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test :def_defmacro_clause_change do
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assert_equal "nofile:3: defmacro foo/1 already defined as def",
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format_rescue 'defmodule Foo do\ndef foo(1), do: 1\ndefmacro foo(x), do: x\nend'
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end
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test :visibility_clause_change do
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assert_equal "nofile:3: function foo/1 already defined with visibility public",
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format_rescue 'defmodule Foo do\ndef foo(1), do: 1\ndefp foo(x), do: x\nend'
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end
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test :clause_change do
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assert_equal "nofile:4: function foo/1 does not match previous clause bar/1",
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format_rescue 'defmodule Foo do\ndef foo(1), do: 1\ndef bar(x), do: x\ndef foo(x), do: x\nend'
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end
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test :internal_function_overriden do
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assert_equal "nofile:1: function __info__/1 is internal and should not be overriden",
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format_rescue 'defmodule Foo do\ndef __info__(_), do: []\nend'
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end
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test :no_macros do
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assert_equal "nofile:2: could not load macros from module lists",
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format_rescue 'defmodule Foo do\nimport :macros, Erlang.lists\nend'
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end
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test :unloaded_module do
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assert_equal "nofile:1: module __MAIN__.Certainly.Doesnt.Exist is not loaded, reason: nofile",
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format_rescue 'import Certainly.Doesnt.Exist'
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end
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test :scheduled_module do
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assert_equal "nofile:1: module __MAIN__.Hygiene is not loaded but was defined. This happens because you are trying to use a module in the same context it is defined. Try defining the module outside the context that requires it.",
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format_rescue 'defmodule Foo do; defmodule Hygiene do; end; import Hygiene; end'
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end
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test :already_compiled_module do
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assert_equal "could not call eval_quoted on module __MAIN__.Record because it was already compiled",
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format_rescue 'Module.eval_quoted Record, quote(do: 1), [], __FILE__, __LINE__'
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end
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test :interpolation_error do
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assert_equal "nofile:1: syntax error before: ')'", format_rescue '"foo\#{case 1 do )}bar"'
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end
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test :invalid_kv_for_match do
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assert_equal "nofile:1: invalid key invalid",
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format_rescue 'case true do\ninvalid: 2\nafter: 3\nend'
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end
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test :cant_define_local_due_to_in_erlang_macros_conflict do
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assert_equal "nofile:1: cannot define local quote/1 because it conflicts with Elixir internal macros",
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format_rescue 'defmodule Foo do\ndef quote(x), do: x\ndef bar(x), do: quote(do: x)\nend'
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end
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test :already_defined_module do
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assert_equal "nofile:1: module __MAIN__.Record already defined", format_rescue 'defmodule Record, do: true'
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end
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test :duplicated_bitstring_size do
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assert_equal "nofile:1: duplicated size specifier 12 in <<>>", format_rescue '<<1|12-12>>'
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end
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test :invalid_bitstring_specified do
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assert_equal "nofile:1: invalid specifier for <<>>", format_rescue '<<1|12-binary()>>'
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end
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## Helpers
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defp format_rescue(expr) do
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result = try do
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Erlang.elixir.eval(expr, [])
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nil
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rescue: error
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error.message
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end
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result || raise(ExUnit.AssertionError, message: "Expected function given to format_rescue to fail")
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end
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end
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