test: do not spawn OpenCppCoverage due to its non-zero exit codes

Author: aminya

src/opencppcoverage/__tests__/opencppcoverage.test.ts

@@ -9,6 +9,6 @@ describe("setup-OpenCppCoverage", () => {
     }
     await setupOpencppcoverage("", "", process.arch)
 
-    await testBin("OpenCppCoverage")
+    await testBin("OpenCppCoverage", null) // OpenCppCoverage exits with non-zero even with --help
   })
 })

src/utils/tests/test-helpers.ts

@@ -36,16 +36,22 @@ export async function cleanupTmpDir(testName: string) {
   }
 }
 
-export async function testBin(name: string, args: string[] = ["--version"], binDir: string | undefined = undefined) {
+export async function testBin(
+  name: string,
+  args: string[] | null = ["--version"],
+  binDir: string | undefined = undefined
+) {
   let bin = name
   if (typeof binDir === "string") {
     expect(binDir).toBeDefined()
     expect(binDir).not.toHaveLength(0)
     bin = join(binDir, addBinExtension(name))
   }
 
-  const status = await exec(escape(bin) as string, args)
-  expect(status).toBe(0)
+  if (args !== null) {
+    const status = await exec(escape(bin) as string, args)
+    expect(status).toBe(0)
+  }
 
   expect(await io.which(name, true)).toBe(bin)
 }