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9aabd988a8
Use configured column widths when generating output. The regression test always uses the assembler-preferred default widths.
621 lines
26 KiB
C#
621 lines
26 KiB
C#
/*
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* Copyright 2018 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Drawing;
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using System.IO;
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using System.Text.RegularExpressions;
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using CommonUtil;
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using SourceGen.AsmGen;
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namespace SourceGen.Tests {
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/// <summary>
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/// Source code generation regression test.
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///
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/// The generator is tested in two ways: (1) by comparing the output to known-good
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/// sources, and (2) by running it through the assembler. Assembling the sources is
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/// important to ensure that we don't get bad sources in the "known-good" set.
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///
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/// This does not take assembler version into account, so it will not be helpful for
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/// monitoring compatibility with old versions of assemblers.
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/// </summary>
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public class GenTest {
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private const string TEST_DIR_NAME = "SGTestData";
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private const string EXPECTED_DIR_NAME = "Expected";
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//private static char[] sInvalidChars = new char[] { '.', '_' };
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private const string TestCasePattern = @"^\d\d\d\d-[A-Za-z0-9-]+$";
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private static Regex sTestCaseRegex = new Regex(TestCasePattern);
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/// <summary>
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/// Whitelist of removable names for ScrubWorkDirectory().
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/// </summary>
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private static string[] sScrubList = new string[] {
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"_FileInformation.txt", // created by Merlin 32
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"error_output.txt", // created by Merlin 32 (only when errors found)
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};
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/// <summary>
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/// Test result. One of these will be created for every {test-case, assembler} pair.
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/// </summary>
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public class GenTestResults {
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public string PathName { get; private set; }
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public string FileName { get; private set; }
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public AssemblerInfo.Id AsmId { get; private set; }
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public FileLoadReport ProjectLoadReport { get; set; }
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public bool GenerateOkay { get; set; }
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public bool AssembleOkay { get; set; }
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public AssemblerResults AsmResults { get; set; } // may be null
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public TaskTimer Timer { get; set; } // may be null
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public GenTestResults(string pathName, AssemblerInfo.Id asmId) {
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PathName = pathName;
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AsmId = asmId;
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FileName = Path.GetFileName(pathName);
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}
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// Return a string for use in the UI combo box.
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public override string ToString() {
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return (GenerateOkay && AssembleOkay ? "OK" : "FAIL") + " - " +
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FileName + " - " + AsmId.ToString();
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}
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}
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/// <summary>
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/// If true, don't scrub directories.
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/// </summary>
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public bool RetainOutput { get; set; }
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/// <summary>
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/// Directory with test cases.
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/// </summary>
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private string mTestDir;
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private BackgroundWorker mWorker;
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private List<GenTestResults> mResults = new List<GenTestResults>();
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/// <summary>
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/// Runs generate/assemble test cases. Main entry point.
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/// </summary>
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/// <param name="worker">Background worker object from dialog box.</param>
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public List<GenTestResults> Run(BackgroundWorker worker) {
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Debug.Assert(mWorker == null); // don't re-use object
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mWorker = worker;
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string runtimeDir = RuntimeDataAccess.GetDirectory();
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mTestDir = Path.Combine(Path.GetDirectoryName(runtimeDir), TEST_DIR_NAME);
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if (!Directory.Exists(mTestDir)) {
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ReportErrMsg("Regression test directory not found: " + mTestDir);
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ReportFailure();
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return null;
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}
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List<string> testCases = new List<string>();
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foreach (string pathName in Directory.EnumerateFiles(mTestDir)) {
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// Filter out everything that doesn't look like "1000-nifty-test". We
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// want to ignore .dis65 files and assembler output (which has the name
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// of the assembler following an underscore).
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string fileName = Path.GetFileName(pathName);
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MatchCollection matches = sTestCaseRegex.Matches(fileName);
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if (matches.Count == 0) {
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//ReportProgress("Ignoring " + fileName + "\r\n", Color.Gray);
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continue;
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}
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ReportProgress("Found " + fileName + "\r\n");
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testCases.Add(pathName);
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}
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ReportProgress("Processing " + testCases.Count + " test cases...\r\n");
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DateTime startWhen = DateTime.Now;
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int successCount = 0;
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foreach (string pathName in testCases) {
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if (GenerateAndAssemble(pathName)) {
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successCount++;
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}
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if (worker.CancellationPending) {
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ReportProgress("\r\nCancelled.\r\n", Color.Red);
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return mResults;
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}
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}
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DateTime endWhen = DateTime.Now;
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if (successCount == testCases.Count) {
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ReportProgress(string.Format("All " + testCases.Count +
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" tests passed in {0:N3} sec\r\n",
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(endWhen - startWhen).TotalSeconds), Color.Green);
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} else {
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ReportProgress(successCount + " of " + testCases.Count + " tests passed\r\n");
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}
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return mResults;
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}
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private void ReportProgress(string msg) {
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mWorker.ReportProgress(0, new ProgressMessage(msg));
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}
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private void ReportProgress(string msg, Color color) {
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mWorker.ReportProgress(0, new ProgressMessage(msg, color));
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}
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private void ReportErrMsg(string msg) {
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ReportProgress(" [" + msg + "] ", Color.Blue);
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}
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private void ReportSuccess() {
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ReportProgress(" success\r\n", Color.Green);
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}
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private void ReportFailure() {
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ReportProgress(" failed\r\n", Color.Red);
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}
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/// <summary>
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/// Extracts the test's number from the pathname.
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/// </summary>
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/// <param name="pathName">Full or partial path to test file.</param>
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/// <returns>Test number.</returns>
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private int GetTestNum(string pathName) {
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// Should always succeed if pathName matched on our regex.
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string fileName = Path.GetFileName(pathName);
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return int.Parse(fileName.Substring(0, 4));
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}
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/// <summary>
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/// Generates source code for the specified test case, assembles it, and compares
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/// the output of both steps to expected values. The process is repeated for every
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/// known assembler.
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///
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/// If an assembler is known but not configured, the assembly step is skipped, and
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/// does not count as a failure.
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/// </summary>
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/// <param name="pathName">Full path to test case.</param>
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/// <returns>True if all assemblers worked as expected.</returns>
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private bool GenerateAndAssemble(string pathName) {
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ReportProgress(Path.GetFileName(pathName) + "...\r\n");
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// Create DisasmProject object, either as a new project for a plain data file,
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// or from a project file.
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DisasmProject project = InstantiateProject(pathName,
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out FileLoadReport projectLoadReport);
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if (project == null) {
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ReportFailure();
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return false;
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}
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int testNum = GetTestNum(pathName);
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// Create a temporary directory to work in.
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string workDir = CreateWorkDirectory(pathName);
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if (string.IsNullOrEmpty(workDir)) {
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ReportFailure();
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project.Cleanup();
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return false;
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}
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AppSettings settings = CreateNormalizedSettings();
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ApplyProjectSettings(settings, project);
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// Iterate through all known assemblers.
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bool didFail = false;
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foreach (AssemblerInfo.Id asmId in
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(AssemblerInfo.Id[])Enum.GetValues(typeof(AssemblerInfo.Id))) {
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if (asmId == AssemblerInfo.Id.Unknown) {
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continue;
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}
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string fileName = Path.GetFileName(pathName);
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TaskTimer timer = new TaskTimer();
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timer.StartTask("Full Test Duration");
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// Create results object and add it to the list. We'll add stuff to it for
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// as far as we get.
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GenTestResults results = new GenTestResults(pathName, asmId);
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mResults.Add(results);
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results.ProjectLoadReport = projectLoadReport;
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// Generate source code.
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ReportProgress(" " + asmId.ToString() + " generate...");
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IGenerator gen = AssemblerInfo.GetGenerator(asmId);
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if (gen == null) {
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ReportErrMsg("generator unavailable");
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ReportProgress("\r\n");
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//didFail = true;
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continue;
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}
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timer.StartTask("Generate Source");
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gen.Configure(project, workDir, fileName,
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AssemblerVersionCache.GetVersion(asmId), settings);
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List<string> genPathNames = gen.GenerateSource(mWorker);
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timer.EndTask("Generate Source");
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if (mWorker.CancellationPending) {
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// The generator will stop early if a cancellation is requested. If we
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// don't break here, the compare function will report a failure, which
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// isn't too problematic but looks funny.
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break;
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}
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ReportProgress(" verify...");
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timer.StartTask("Compare Source to Expected");
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bool match = CompareGeneratedToExpected(pathName, genPathNames);
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timer.EndTask("Compare Source to Expected");
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if (match) {
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ReportSuccess();
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results.GenerateOkay = true;
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} else {
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ReportFailure();
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didFail = true;
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// The fact that it doesn't match the expected sources doesn't mean it's
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// invalid. Go ahead and try to build it.
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//continue;
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}
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// Assemble code.
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ReportProgress(" " + asmId.ToString() + " assemble...");
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IAssembler asm = AssemblerInfo.GetAssembler(asmId);
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if (asm == null) {
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ReportErrMsg("assembler unavailable");
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ReportProgress("\r\n");
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continue;
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}
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timer.StartTask("Assemble Source");
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asm.Configure(genPathNames, workDir);
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AssemblerResults asmResults = asm.RunAssembler(mWorker);
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timer.EndTask("Assemble Source");
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if (asmResults == null) {
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ReportErrMsg("unable to run assembler");
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ReportFailure();
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didFail = true;
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continue;
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}
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if (asmResults.ExitCode != 0) {
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ReportErrMsg("assembler returned code=" + asmResults.ExitCode);
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ReportFailure();
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didFail = true;
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continue;
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}
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results.AsmResults = asmResults;
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ReportProgress(" verify...");
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timer.StartTask("Compare Binary to Expected");
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FileInfo fi = new FileInfo(asmResults.OutputPathName);
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if (fi.Length != project.FileData.Length) {
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ReportErrMsg("asm output mismatch: length is " + fi.Length + ", expected " +
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project.FileData.Length);
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ReportFailure();
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didFail = true;
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continue;
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} else if (!FileUtil.CompareBinaryFile(project.FileData, asmResults.OutputPathName,
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out int badOffset, out byte badFileVal)) {
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ReportErrMsg("asm output mismatch: offset +" + badOffset.ToString("x6") +
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" has value $" + badFileVal.ToString("x2") + ", expected $" +
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project.FileData[badOffset].ToString("x2"));
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ReportFailure();
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didFail = true;
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continue;
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}
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timer.EndTask("Compare Binary to Expected");
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// Victory!
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results.AssembleOkay = true;
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ReportSuccess();
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timer.EndTask("Full Test Duration");
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results.Timer = timer;
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// We don't scrub the directory on success at this point. We could, but we'd
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// need to remove only those files associated with the currently assembler.
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// Otherwise, a failure followed by a success would wipe out the unsuccessful
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// temporaries.
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}
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// If something failed, leave the bits around for examination. Otherwise, try to
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// remove the directory and all its contents.
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if (!didFail && !RetainOutput) {
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ScrubWorkDirectory(workDir, testNum);
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RemoveWorkDirectory(workDir);
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}
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project.Cleanup();
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return !didFail;
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}
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/// <summary>
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/// Gets a copy of the AppSettings with a standard set of formatting options (e.g. lower
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/// case for everything).
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/// </summary>
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/// <returns>New app settings object.</returns>
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private AppSettings CreateNormalizedSettings() {
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AppSettings settings = AppSettings.Global.GetCopy();
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// Override all asm formatting options. We can ignore ShiftBeforeAdjust and the
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// pseudo-op names because those are set by the generators.
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settings.SetBool(AppSettings.FMT_UPPER_HEX_DIGITS, false);
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settings.SetBool(AppSettings.FMT_UPPER_OP_MNEMONIC, false);
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settings.SetBool(AppSettings.FMT_UPPER_PSEUDO_OP_MNEMONIC, false);
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settings.SetBool(AppSettings.FMT_UPPER_OPERAND_A, true);
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settings.SetBool(AppSettings.FMT_UPPER_OPERAND_S, true);
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settings.SetBool(AppSettings.FMT_UPPER_OPERAND_XY, false);
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settings.SetBool(AppSettings.FMT_ADD_SPACE_FULL_COMMENT, false);
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// Don't show the assembler ident line. You can make a case for this being
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// mandatory, since the generated code is only guaranteed to work with the
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// assembler for which it was targeted, but I expect we'll quickly get to a
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// place where we don't have to work around assembler bugs, and this will just
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// become a nuisance.
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settings.SetBool(AppSettings.SRCGEN_ADD_IDENT_COMMENT, false);
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// Don't break lines with long labels. That way we can redefine "long"
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// without breaking our tests. (This is purely cosmetic.)
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settings.SetBool(AppSettings.SRCGEN_LONG_LABEL_NEW_LINE, false);
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// This could be on or off. Off seems less distracting.
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settings.SetBool(AppSettings.SRCGEN_SHOW_CYCLE_COUNTS, false);
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// Disable label localization. We want to be able to play with this a bit
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// without disrupting all the other tests. Use a test-only feature to enable
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// it for the localization test.
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settings.SetBool(AppSettings.SRCGEN_DISABLE_LABEL_LOCALIZATION, true);
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IEnumerator<AssemblerInfo> iter = AssemblerInfo.GetInfoEnumerator();
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while (iter.MoveNext()) {
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AssemblerInfo.Id asmId = iter.Current.AssemblerId;
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AssemblerConfig curConfig =
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AssemblerConfig.GetConfig(settings, asmId);
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AssemblerConfig defConfig =
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AssemblerInfo.GetAssembler(asmId).GetDefaultConfig();
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// Merge the two together. We want the default assembler config for most
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// things, but the executable path from the current config.
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defConfig.ExecutablePath = curConfig.ExecutablePath;
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// Write it into the test settings.
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AssemblerConfig.SetConfig(settings, asmId, defConfig);
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}
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return settings;
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}
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/// <summary>
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/// Applies app setting overrides that were specified in the project settings.
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/// </summary>
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private void ApplyProjectSettings(AppSettings settings, DisasmProject project) {
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// We could probably make this a more general mechanism, but that would strain
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// things a bit, since we need to know the settings name, bool/int/string, and
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// desired value. Easier to just have a set of named features.
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const string ENABLE_LABEL_LOCALIZATION = "__ENABLE_LABEL_LOCALIZATION";
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const string ENABLE_LABEL_NEWLINE = "__ENABLE_LABEL_NEWLINE";
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if (project.ProjectProps.ProjectSyms.ContainsKey(ENABLE_LABEL_LOCALIZATION)) {
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settings.SetBool(AppSettings.SRCGEN_DISABLE_LABEL_LOCALIZATION, false);
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}
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if (project.ProjectProps.ProjectSyms.ContainsKey(ENABLE_LABEL_NEWLINE)) {
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settings.SetBool(AppSettings.SRCGEN_LONG_LABEL_NEW_LINE, true);
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}
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}
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private DisasmProject InstantiateProject(string dataPathName,
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out FileLoadReport projectLoadReport) {
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DisasmProject project = new DisasmProject();
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// always use AppDomain sandbox
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projectLoadReport = null;
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int testNum = GetTestNum(dataPathName);
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if (testNum < 2000) {
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// create new disasm project for data file
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byte[] fileData;
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try {
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fileData = LoadDataFile(dataPathName);
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} catch (Exception ex) {
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ReportErrMsg(ex.Message);
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return null;
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}
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project.Initialize(fileData.Length);
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project.PrepForNew(fileData, Path.GetFileName(dataPathName));
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// no platform symbols to load
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} else {
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// deserialize project file, failing if we can't find it
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string projectPathName = dataPathName + ProjectFile.FILENAME_EXT;
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if (!ProjectFile.DeserializeFromFile(projectPathName,
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project, out projectLoadReport)) {
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ReportErrMsg(projectLoadReport.Format());
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return null;
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}
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byte[] fileData;
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try {
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fileData = LoadDataFile(dataPathName);
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} catch (Exception ex) {
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ReportErrMsg(ex.Message);
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return null;
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}
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project.SetFileData(fileData, Path.GetFileName(dataPathName));
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project.ProjectPathName = projectPathName;
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project.LoadExternalFiles();
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}
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TaskTimer genTimer = new TaskTimer();
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DebugLog genLog = new DebugLog();
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genLog.SetMinPriority(DebugLog.Priority.Silent);
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project.Analyze(UndoableChange.ReanalysisScope.CodeAndData, genLog, genTimer);
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return project;
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}
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/// <summary>
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/// Loads the test case data file.
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///
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/// Throws an exception on failure.
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/// </summary>
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/// <param name="pathName">Full path to test case data file.</param>
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/// <returns>File contents.</returns>
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private byte[] LoadDataFile(string pathName) {
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byte[] fileData;
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using (FileStream fs = File.Open(pathName, FileMode.Open, FileAccess.Read)) {
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Debug.Assert(fs.Length <= DisasmProject.MAX_DATA_FILE_SIZE);
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fileData = new byte[fs.Length];
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int actual = fs.Read(fileData, 0, (int)fs.Length);
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if (actual != fs.Length) {
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// Not expected -- should be able to read the entire file in one shot.
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throw new Exception(Properties.Resources.OPEN_DATA_PARTIAL_READ);
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}
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}
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return fileData;
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}
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/// <summary>
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/// Creates a work directory for the specified test case. The new directory will be
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/// created in the same directory as the test, and named after it.
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///
|
|
/// If the directory already exists, the previous contents will be scrubbed.
|
|
///
|
|
/// If the file already exists but isn't a directory, this will fail.
|
|
/// </summary>
|
|
/// <param name="pathName">Test case path name.</param>
|
|
/// <returns>Path of work directory, or null if creation failed.</returns>
|
|
private string CreateWorkDirectory(string pathName) {
|
|
string baseDir = Path.GetDirectoryName(pathName);
|
|
int testNum = GetTestNum(pathName);
|
|
string workDirName = "tmp" + testNum.ToString();
|
|
string workDirPath = Path.Combine(baseDir, workDirName);
|
|
if (Directory.Exists(workDirPath)) {
|
|
ScrubWorkDirectory(workDirPath, testNum);
|
|
} else if (File.Exists(workDirPath)) {
|
|
ReportErrMsg("file '" + workDirPath + "' exists, not directory");
|
|
return null;
|
|
} else {
|
|
try {
|
|
Directory.CreateDirectory(workDirPath);
|
|
} catch (Exception ex) {
|
|
ReportErrMsg(ex.Message);
|
|
return null;
|
|
}
|
|
}
|
|
return workDirPath;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Removes the contents of a temporary work directory. Only files that we believe
|
|
/// to be products of the generator or assembler are removed.
|
|
/// </summary>
|
|
/// <param name="workDir"></param>
|
|
/// <param name="testNum"></param>
|
|
private void ScrubWorkDirectory(string workDir, int testNum) {
|
|
string checkString = testNum.ToString();
|
|
if (checkString.Length != 4) {
|
|
Debug.Assert(false);
|
|
return;
|
|
}
|
|
|
|
foreach (string pathName in Directory.EnumerateFiles(workDir)) {
|
|
bool doRemove = false;
|
|
string fileName = Path.GetFileName(pathName);
|
|
if (fileName.Contains(checkString)) {
|
|
doRemove = true;
|
|
} else {
|
|
foreach (string str in sScrubList) {
|
|
if (fileName == str) {
|
|
doRemove = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!doRemove) {
|
|
ReportErrMsg("not removing '" + fileName + "'");
|
|
continue;
|
|
} else {
|
|
try {
|
|
File.Delete(pathName);
|
|
//Debug.WriteLine("removed " + pathName);
|
|
} catch (Exception ex) {
|
|
ReportErrMsg("unable to remove '" + fileName + "': " + ex.Message);
|
|
// don't stop -- keep trying to remove things
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void RemoveWorkDirectory(string workDir) {
|
|
try {
|
|
Directory.Delete(workDir);
|
|
} catch (Exception ex) {
|
|
ReportErrMsg("unable to remove work dir: " + ex.Message);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Compares each file in genFileNames to the corresponding file in Expected.
|
|
/// </summary>
|
|
/// <param name="pathName">Full pathname of test case.</param>
|
|
/// <param name="genPathNames">List of file names from source generator.</param>
|
|
/// <returns></returns>
|
|
private bool CompareGeneratedToExpected(string pathName, List<string> genPathNames) {
|
|
string expectedDir = Path.Combine(Path.GetDirectoryName(pathName), EXPECTED_DIR_NAME);
|
|
|
|
foreach (string path in genPathNames) {
|
|
string fileName = Path.GetFileName(path);
|
|
string compareName = Path.Combine(expectedDir, fileName);
|
|
|
|
if (!File.Exists(compareName)) {
|
|
// File was generated unexpectedly.
|
|
ReportErrMsg("file '" + fileName + "' not found in " + EXPECTED_DIR_NAME);
|
|
return false;
|
|
}
|
|
|
|
// Compare the file contents as lines of text. The files may use different
|
|
// line terminators (e.g. LF vs. CRLF), so we can't use file length as a
|
|
// factor.
|
|
if (!FileUtil.CompareTextFiles(path, compareName, out int firstDiffLine,
|
|
out string line1, out string line2)) {
|
|
ReportErrMsg("file '" + fileName + "' differs on line " + firstDiffLine);
|
|
Debug.WriteLine("File #1: " + line1);
|
|
Debug.WriteLine("File #2: " + line2);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// NOTE: to be thorough, we should check to see if a file exists in Expected
|
|
// that doesn't exist in the work directory. This is slightly more awkward since
|
|
// Expected is a big pile of everything, but we should be able to do it by
|
|
// filtering filenames with the test number.
|
|
|
|
return true;
|
|
}
|
|
}
|
|
}
|