Handle test reports with no test cases

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

@@ -61,6 +61,10 @@ export class DotnetTrxParser implements TestParser {
   }
 
   private getTestClasses(trx: TrxReport): TestClass[] {
+    if (trx.TestRun.TestDefinitions === undefined || trx.TestRun.Results === undefined) {
+      return []
+    }
+
     const unitTests: {[id: string]: TestMethod} = {}
     for (const td of trx.TestRun.TestDefinitions) {
       for (const ut of td.UnitTest) {

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

@@ -4,8 +4,8 @@ export interface TrxReport {
 
 export interface TestRun {
   Times: Times[]
-  Results: Results[]
-  TestDefinitions: TestDefinitions[]
+  Results?: Results[]
+  TestDefinitions?: TestDefinitions[]
 }
 
 export interface Times {

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

@@ -32,12 +32,15 @@ export class JestJunitParser implements TestParser {
   }
 
   private getTestRunResult(path: string, junit: JunitReport): TestRunResult {
-    const suites = junit.testsuites.testsuite.map(ts => {
-      const name = ts.$.name.trim()
-      const time = parseFloat(ts.$.time) * 1000
-      const sr = new TestSuiteResult(name, this.getGroups(ts), time)
-      return sr
-    })
+    const suites =
+      junit.testsuites.testsuite === undefined
+        ? []
+        : junit.testsuites.testsuite.map(ts => {
+            const name = ts.$.name.trim()
+            const time = parseFloat(ts.$.time) * 1000
+            const sr = new TestSuiteResult(name, this.getGroups(ts), time)
+            return sr
+          })
 
     const time = parseFloat(junit.testsuites.$.time) * 1000
     return new TestRunResult(path, suites, time)

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

@@ -10,7 +10,7 @@ export interface TestSuites {
     errors: string // unhandled exception during test execution
     time: string
   }
-  testsuite: TestSuite[]
+  testsuite?: TestSuite[]
 }
 
 export interface TestSuite {

src/report/get-report.ts

@@ -148,7 +148,10 @@ function getSuitesReport(tr: TestRunResult, runIndex: number, options: ReportOpt
   sections.push(`## ${nameLink} ${icon}`)
 
   const time = formatTime(tr.time)
-  const headingLine2 = `**${tr.tests}** tests were completed in **${time}** with **${tr.passed}** passed, **${tr.failed}** failed and **${tr.skipped}** skipped.`
+  const headingLine2 =
+    tr.tests > 0
+      ? `**${tr.tests}** tests were completed in **${time}** with **${tr.passed}** passed, **${tr.failed}** failed and **${tr.skipped}** skipped.`
+      : 'No tests found'
   sections.push(headingLine2)
 
   const suites = options.listSuites === 'failed' ? tr.failedSuites : tr.suites