test: expand MIB.Compiler tests (46.15%)
Added 34 comprehensive tests covering: - compile_string/2 - String compilation (7 tests) - compile/2 - File compilation (2 tests) - Integration with Parser (1 test) - compile_all/2 - Batch compilation (4 tests) - load_compiled/1 - Load compiled MIBs (3 tests) - Compile options (validate, format, output_dir, optimize, etc.) (8 tests) - Error handling (syntax errors, missing files, parse errors) (3 tests) - Symbol table construction (2 tests) - Dependency extraction (deduplication, single/multiple) (4 tests) - Compiled MIB structure validation (2 tests) All tests tagged @moduletag :yecc_required (excluded by default). Tests use temporary directories for file I/O.Coverage: 46.15% (unchanged - tests excluded) Total tests: 1,514 (all passing, 72 excluded)
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@ -140,4 +140,380 @@ defmodule SnmpKit.SnmpLib.MIB.CompilerTest do
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assert map_size(compiled.symbols) == length(parsed.definitions)
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end
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end
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describe "compile_all/2" do
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test "compiles multiple MIBs successfully" do
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# Use minimal valid MIBs
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mib1 = """
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MIB-ONE DEFINITIONS ::= BEGIN
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nodeOne OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 1 }
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END
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"""
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mib2 = """
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MIB-TWO DEFINITIONS ::= BEGIN
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nodeTwo OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 2 }
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END
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"""
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# Write temp files
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dir = Path.join(System.tmp_dir!(), "test_mibs_#{:rand.uniform(1_000_000)}")
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File.mkdir_p!(dir)
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file1 = Path.join(dir, "mib-one.mib")
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file2 = Path.join(dir, "mib-two.mib")
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File.write!(file1, mib1)
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File.write!(file2, mib2)
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assert {:ok, compiled_list} = Compiler.compile_all([file1, file2])
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assert length(compiled_list) == 2
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assert Enum.any?(compiled_list, &(&1.name == "MIB-ONE"))
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assert Enum.any?(compiled_list, &(&1.name == "MIB-TWO"))
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# Cleanup
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File.rm_rf!(dir)
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end
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test "returns error when any MIB fails to compile" do
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valid_mib = """
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VALID-MIB DEFINITIONS ::= BEGIN
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validNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 1 }
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END
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"""
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invalid_mib = "INVALID SYNTAX"
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dir = Path.join(System.tmp_dir!(), "test_mibs_#{:rand.uniform(1_000_000)}")
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File.mkdir_p!(dir)
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file1 = Path.join(dir, "valid.mib")
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file2 = Path.join(dir, "invalid.mib")
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File.write!(file1, valid_mib)
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File.write!(file2, invalid_mib)
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assert {:error, errors} = Compiler.compile_all([file1, file2])
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assert is_list(errors)
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assert length(errors) > 0
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# Cleanup
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File.rm_rf!(dir)
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end
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test "handles empty file list" do
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assert {:ok, []} = Compiler.compile_all([])
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end
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test "continues compiling after encountering errors" do
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# Test that compile_all doesn't stop on first error
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dir = Path.join(System.tmp_dir!(), "test_mibs_#{:rand.uniform(1_000_000)}")
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File.mkdir_p!(dir)
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mib1 = """
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MIB-ONE DEFINITIONS ::= BEGIN
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nodeOne OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 1 }
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END
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"""
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file1 = Path.join(dir, "valid1.mib")
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file2 = Path.join(dir, "invalid.mib")
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file3 = Path.join(dir, "valid2.mib")
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File.write!(file1, mib1)
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File.write!(file2, "INVALID")
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File.write!(file3, mib1)
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assert {:error, errors} = Compiler.compile_all([file1, file2, file3])
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# Should have one error (file2)
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assert length(errors) == 1
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[{error_file, _error_list}] = errors
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assert error_file == file2
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File.rm_rf!(dir)
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end
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end
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describe "load_compiled/1" do
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test "loads a previously compiled MIB" do
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# Create a compiled MIB
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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{:ok, compiled} = Compiler.compile_string(mib_content)
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# Save it to disk
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dir = Path.join(System.tmp_dir!(), "test_compiled_#{:rand.uniform(1_000_000)}")
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File.mkdir_p!(dir)
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path = Path.join(dir, "test.mib")
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compiled_with_type = Map.put(compiled, :__type__, :compiled_mib)
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File.write!(path, :erlang.term_to_binary(compiled_with_type))
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# Load it back
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assert {:ok, loaded} = Compiler.load_compiled(path)
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assert loaded.name == compiled.name
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assert loaded.__type__ == :compiled_mib
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File.rm_rf!(dir)
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end
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test "returns error for non-existent file" do
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assert {:error, :enoent} = Compiler.load_compiled("non_existent.mib")
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end
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test "returns error for invalid compiled format" do
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dir = Path.join(System.tmp_dir!(), "test_compiled_#{:rand.uniform(1_000_000)}")
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File.mkdir_p!(dir)
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path = Path.join(dir, "invalid.mib")
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# Write invalid data (not a compiled MIB)
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File.write!(path, :erlang.term_to_binary(%{random: "data"}))
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assert {:error, :invalid_compiled_format} = Compiler.load_compiled(path)
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File.rm_rf!(dir)
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end
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end
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describe "compile options" do
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test "validates option with validate: true" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, validate: true)
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end
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test "skips validation with validate: false" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, validate: false)
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end
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test "accepts format option" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content, format: :erlang)
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assert compiled.format == :erlang
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end
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test "accepts output_dir option" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, output_dir: "/tmp/custom")
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end
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test "accepts optimize option" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, optimize: false)
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end
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test "accepts include_paths option" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, include_paths: ["/tmp/mibs"])
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end
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test "accepts warnings_as_errors option" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, _compiled} = Compiler.compile_string(mib_content, warnings_as_errors: true)
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end
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test "merges options with defaults" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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# Only specify format, should merge with defaults
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assert {:ok, compiled} = Compiler.compile_string(mib_content, format: :json)
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assert compiled.format == :json
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end
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end
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describe "error handling" do
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test "handles parser syntax errors gracefully" do
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mib_content = "INVALID SYNTAX"
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assert {:error, errors} = Compiler.compile_string(mib_content)
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assert is_list(errors)
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assert length(errors) > 0
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end
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test "handles missing file errors" do
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assert {:error, errors} = Compiler.compile("non_existent.mib")
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[error | _] = errors
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assert error.type == :file_not_found
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assert String.contains?(error.message, "Could not read MIB file")
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end
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test "handles parse errors with line numbers" do
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# Incomplete MIB that should fail parsing
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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"""
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assert {:error, errors} = Compiler.compile_string(mib_content)
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assert is_list(errors)
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end
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end
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describe "symbol table construction" do
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test "builds symbol table from definitions" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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nodeOne OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 1 }
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nodeTwo OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 2 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert map_size(compiled.symbols) == 2
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assert Map.has_key?(compiled.symbols, "nodeOne")
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assert Map.has_key?(compiled.symbols, "nodeTwo")
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end
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test "symbol table contains definition data" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert Map.has_key?(compiled.symbols, "testNode")
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symbol = compiled.symbols["testNode"]
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assert symbol.name == "testNode"
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end
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end
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describe "dependency extraction" do
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test "extracts no dependencies from MIB without imports" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert compiled.dependencies == []
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end
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test "extracts single dependency" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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DisplayString FROM SNMPv2-TC;
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert compiled.dependencies == ["SNMPv2-TC"]
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end
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test "extracts multiple dependencies" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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DisplayString FROM SNMPv2-TC
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enterprises FROM SNMPv2-SMI;
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testNode OBJECT IDENTIFIER ::= { enterprises 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert "SNMPv2-TC" in compiled.dependencies
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assert "SNMPv2-SMI" in compiled.dependencies
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assert length(compiled.dependencies) == 2
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end
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test "deduplicates dependencies" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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DisplayString, ObjectName FROM SNMPv2-TC
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enterprises FROM SNMPv2-SMI;
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testNode OBJECT IDENTIFIER ::= { enterprises 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert length(compiled.dependencies) == 2
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end
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end
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describe "compiled MIB structure" do
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test "includes all required fields" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert Map.has_key?(compiled, :name)
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assert Map.has_key?(compiled, :version)
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assert Map.has_key?(compiled, :format)
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assert Map.has_key?(compiled, :path)
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assert Map.has_key?(compiled, :metadata)
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assert Map.has_key?(compiled, :oid_tree)
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assert Map.has_key?(compiled, :symbols)
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assert Map.has_key?(compiled, :dependencies)
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end
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test "sets path to nil for string compilation" do
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mib_content = """
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TEST-MIB DEFINITIONS ::= BEGIN
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testNode OBJECT IDENTIFIER ::= { 1 3 6 1 4 1 99999 }
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END
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"""
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assert {:ok, compiled} = Compiler.compile_string(mib_content)
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assert compiled.path == nil
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end
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end
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end
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