- IPrintWithWriter protocol + CljElixir.Printer module with pr-str, print-str, pr, prn for all BEAM types (EDN-like output) - Source-mapped error messages: line/col metadata from reader now propagated through transformer into Elixir AST for accurate error locations in .clje files - Interactive REPL (mix clje.repl) with multi-line input detection, history, bindings persistence, and pr-str formatted output - nREPL server (mix clje.nrepl) with TCP transport, Bencode wire protocol, session management, and core operations (clone, close, eval, describe, ls-sessions, load-file, interrupt, completions). Writes .nrepl-port for editor auto-discovery. 92 new tests (699 total, 0 failures). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
122 lines
3.1 KiB
Elixir
122 lines
3.1 KiB
Elixir
defmodule CljElixir.REPLTest do
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use ExUnit.Case, async: true
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alias CljElixir.REPL
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describe "REPL.new" do
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test "creates initial state" do
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state = REPL.new()
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assert state.bindings == []
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assert state.history == []
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assert state.counter == 1
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end
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end
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describe "REPL.eval" do
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test "evaluates simple expression" do
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state = REPL.new()
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assert {:ok, "3", _} = REPL.eval("(+ 1 2)", state)
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end
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test "pr-str formats output" do
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state = REPL.new()
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{:ok, result, _} = REPL.eval("\"hello\"", state)
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assert result == "\"hello\""
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end
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test "nil result" do
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state = REPL.new()
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{:ok, result, _} = REPL.eval("nil", state)
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assert result == "nil"
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end
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test "map result" do
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state = REPL.new()
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{:ok, result, _} = REPL.eval("{:a 1 :b 2}", state)
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assert result =~ ":a"
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assert result =~ "1"
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end
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test "increments counter" do
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state = REPL.new()
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{:ok, _, state2} = REPL.eval("1", state)
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assert state2.counter == 2
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{:ok, _, state3} = REPL.eval("2", state2)
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assert state3.counter == 3
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end
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test "stores history" do
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state = REPL.new()
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{:ok, _, state2} = REPL.eval("(+ 1 2)", state)
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assert state2.history == ["(+ 1 2)"]
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{:ok, _, state3} = REPL.eval("(+ 3 4)", state2)
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assert state3.history == ["(+ 3 4)", "(+ 1 2)"]
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end
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test "error returns error tuple" do
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state = REPL.new()
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{:error, msg, _} = REPL.eval("(defmodule REPLErrTest (invalid-syntax", state)
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assert is_binary(msg)
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assert msg =~ "Error" or msg =~ "error"
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end
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test "defmodule persists across evals" do
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state = REPL.new()
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{:ok, _, state2} =
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REPL.eval("""
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(defmodule REPLTestMod
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(defn hello [] :hi))
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""", state)
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{:ok, result, _} = REPL.eval("(REPLTestMod/hello)", state2)
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assert result == ":hi"
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end
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test "tuple result" do
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state = REPL.new()
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{:ok, result, _} = REPL.eval("#el[:ok 42]", state)
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assert result == "#el[:ok 42]"
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end
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test "list result" do
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state = REPL.new()
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{:ok, result, _} = REPL.eval("(list 1 2 3)", state)
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assert result == "(1 2 3)"
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end
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end
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describe "REPL.balanced?" do
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test "balanced parens" do
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assert REPL.balanced?("(+ 1 2)")
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assert REPL.balanced?("(defn foo [x] (+ x 1))")
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assert REPL.balanced?("42")
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assert REPL.balanced?("")
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end
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test "unbalanced parens" do
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refute REPL.balanced?("(+ 1 2")
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refute REPL.balanced?("(defn foo [x]")
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refute REPL.balanced?("(let [x 1")
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end
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test "balanced with nested" do
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assert REPL.balanced?("(let [x (+ 1 2)] (* x x))")
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end
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test "string contents not counted" do
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assert REPL.balanced?("(str \"(hello)\")")
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assert REPL.balanced?("(str \"[not real]\")")
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end
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test "comment contents not counted" do
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assert REPL.balanced?("(+ 1 2) ; this has unbalanced (")
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end
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test "mixed delimiters" do
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assert REPL.balanced?("(let [{:keys [a b]} {:a 1 :b 2}] (+ a b))")
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refute REPL.balanced?("(let [{:keys [a b]} {:a 1 :b 2}] (+ a b)")
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end
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end
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end
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