Add support for loading test results from artifacts

src/parsers/dart-json/dart-json-parser.ts

@@ -1,6 +1,6 @@
 import {ParseOptions, TestParser} from '../../test-parser'
 
-import {normalizeFilePath} from '../../utils/file-utils'
+import {getBasePath, normalizeFilePath} from '../../utils/path-utils'
 
 import {
   ReportEvent,
@@ -72,6 +72,8 @@ class TestCase {
 }
 
 export class DartJsonParser implements TestParser {
+  assumedWorkDir: string | undefined
+
   constructor(readonly options: ParseOptions, readonly sdk: 'dart' | 'flutter') {}
 
   async parse(path: string, content: string): Promise<TestRunResult> {
@@ -207,14 +209,24 @@ export class DartJsonParser implements TestParser {
   }
 
   private getRelativePath(path: string): string {
-    const {workDir} = this.options
     const prefix = 'file://'
     if (path.startsWith(prefix)) {
       path = path.substr(prefix.length)
     }
-    if (path.startsWith(workDir)) {
+
+    path = normalizeFilePath(path)
+    const workDir = this.getWorkDir(path)
+    if (workDir !== undefined && path.startsWith(workDir)) {
       path = path.substr(workDir.length)
     }
-    return normalizeFilePath(path)
+    return path
+  }
+
+  private getWorkDir(path: string): string | undefined {
+    return (
+      this.options.workDir ??
+      this.assumedWorkDir ??
+      (this.assumedWorkDir = getBasePath(path, this.options.trackedFiles))
+    )
   }
 }

src/parsers/dotnet-trx/dotnet-trx-parser.ts

@@ -3,7 +3,7 @@ import {parseStringPromise} from 'xml2js'
 import {ErrorInfo, Outcome, TestMethod, TrxReport} from './dotnet-trx-types'
 import {ParseOptions, TestParser} from '../../test-parser'
 
-import {normalizeFilePath} from '../../utils/file-utils'
+import {getBasePath, normalizeFilePath} from '../../utils/path-utils'
 import {parseIsoDate, parseNetDuration} from '../../utils/parse-utils'
 
 import {
@@ -41,6 +41,8 @@ class Test {
 }
 
 export class DotnetTrxParser implements TestParser {
+  assumedWorkDir: string | undefined
+
   constructor(readonly options: ParseOptions) {}
 
   async parse(path: string, content: string): Promise<TestRunResult> {
@@ -137,19 +139,30 @@ export class DotnetTrxParser implements TestParser {
   private exceptionThrowSource(stackTrace: string): {path: string; line: number} | undefined {
     const lines = stackTrace.split(/\r*\n/)
     const re = / in (.+):line (\d+)$/
-    const {workDir, trackedFiles} = this.options
+    const {trackedFiles} = this.options
 
     for (const str of lines) {
       const match = str.match(re)
       if (match !== null) {
         const [_, fileStr, lineStr] = match
         const filePath = normalizeFilePath(fileStr)
-        const file = filePath.startsWith(workDir) ? filePath.substr(workDir.length) : filePath
-        if (trackedFiles.includes(file)) {
-          const line = parseInt(lineStr)
-          return {path: file, line}
+        const workDir = this.getWorkDir(filePath)
+        if (workDir) {
+          const file = filePath.substr(workDir.length)
+          if (trackedFiles.includes(file)) {
+            const line = parseInt(lineStr)
+            return {path: file, line}
+          }
         }
       }
     }
   }
+
+  private getWorkDir(path: string): string | undefined {
+    return (
+      this.options.workDir ??
+      this.assumedWorkDir ??
+      (this.assumedWorkDir = getBasePath(path, this.options.trackedFiles))
+    )
+  }
 }

src/parsers/jest-junit/jest-junit-parser.ts

@@ -2,7 +2,7 @@ import {ParseOptions, TestParser} from '../../test-parser'
 import {parseStringPromise} from 'xml2js'
 
 import {JunitReport, TestCase, TestSuite} from './jest-junit-types'
-import {normalizeFilePath} from '../../utils/file-utils'
+import {getBasePath, normalizeFilePath} from '../../utils/path-utils'
 
 import {
   TestExecutionResult,
@@ -14,6 +14,8 @@ import {
 } from '../../test-results'
 
 export class JestJunitParser implements TestParser {
+  assumedWorkDir: string | undefined
+
   constructor(readonly options: ParseOptions) {}
 
   async parse(path: string, content: string): Promise<TestRunResult> {
@@ -96,13 +98,20 @@ export class JestJunitParser implements TestParser {
     const lines = stackTrace.split(/\r?\n/)
     const re = /\((.*):(\d+):\d+\)$/
 
-    const {workDir, trackedFiles} = this.options
+    const {trackedFiles} = this.options
     for (const str of lines) {
       const match = str.match(re)
       if (match !== null) {
         const [_, fileStr, lineStr] = match
         const filePath = normalizeFilePath(fileStr)
-        const path = filePath.startsWith(workDir) ? filePath.substr(workDir.length) : filePath
+        if (filePath.startsWith('internal/') || filePath.includes('/node_modules/')) {
+          continue
+        }
+        const workDir = this.getWorkDir(filePath)
+        if (!workDir) {
+          continue
+        }
+        const path = filePath.substr(workDir.length)
         if (trackedFiles.includes(path)) {
           const line = parseInt(lineStr)
 
@@ -111,4 +120,12 @@ export class JestJunitParser implements TestParser {
       }
     }
   }
+
+  private getWorkDir(path: string): string | undefined {
+    return (
+      this.options.workDir ??
+      this.assumedWorkDir ??
+      (this.assumedWorkDir = getBasePath(path, this.options.trackedFiles))
+    )
+  }
 }