| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Package testparser parses test stdout into structured results. |
| package testparser |
| |
| import ( |
| "bytes" |
| "regexp" |
| ) |
| |
| // Parse takes stdout from a test program and returns structured results. |
| // Internally, a variety of test program stdout formats are supported. |
| // If no structured results were identified, an empty slice is returned. |
| func Parse(stdout []byte) []TestCaseResult { |
| lines := bytes.Split(stdout, []byte{'\n'}) |
| res := []*regexp.Regexp{ |
| ctsTestPreamblePattern, |
| dartSystemTestPreamblePattern, |
| trfTestPreamblePattern, |
| googleTestPreamblePattern, |
| goTestPreamblePattern, |
| rustTestPreamblePattern, |
| zirconUtestPreamblePattern, |
| } |
| remainingLines, match := firstMatch(lines, res) |
| |
| var cases []TestCaseResult |
| switch match { |
| case ctsTestPreamblePattern: |
| cases = parseVulkanCtsTest(remainingLines) |
| case dartSystemTestPreamblePattern: |
| cases = parseDartSystemTest(remainingLines) |
| case trfTestPreamblePattern: |
| cases = parseTrfTest(lines) |
| case googleTestPreamblePattern: |
| cases = parseGoogleTest(remainingLines) |
| case goTestPreamblePattern: |
| cases = parseGoTest(remainingLines) |
| case rustTestPreamblePattern: |
| cases = parseRustTest(remainingLines) |
| case zirconUtestPreamblePattern: |
| cases = parseZirconUtest(remainingLines) |
| } |
| |
| // Ensure that an empty set of cases is serialized to JSON as an empty |
| // array, not as null. |
| if cases == nil { |
| cases = []TestCaseResult{} |
| } |
| return cases |
| } |
| |
| func firstMatch(lines [][]byte, res []*regexp.Regexp) ([][]byte, *regexp.Regexp) { |
| for num, line := range lines { |
| for _, re := range res { |
| if re.Match(line) { |
| return lines[num:], re |
| } |
| } |
| } |
| return nil, nil |
| } |