Improve coverage

kevgo · Jul 18, 2019 · 213e70f · 213e70f
1 parent 6273d14
commit 213e70f
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/src/observable.ts b/src/observable.ts
@@ -24,7 +24,9 @@ export function spawn(args: SpawnOptions) {
   } else if (args.commands != null) {
     argv = args.commands
   } else {
-    throw new Error("you must provide either command or commands")
+    throw new Error(
+      "observable.spawn: you must provide either command or commands"
+    )
   }
   const [runnable, ...params] = argv
 

diff --git a/test/start-test.ts b/test/start-test.ts
@@ -1,5 +1,5 @@
-import * as observable from "../src/observable"
 import { strict as assert } from "assert"
+import * as observable from "../src/observable"
 
 describe(".spawn()", function() {
   it("starts a process via an argv array", async function() {
@@ -25,6 +25,14 @@ describe(".spawn()", function() {
     await process.waitForEnd()
     assert.equal(process.exitCode, 0)
   })
+
+  it("throws if it receives neither a string nor argv array", function() {
+    assert.throws(function() {
+      observable.spawn({})
+    }, new Error(
+      "observable.spawn: you must provide either command or commands"
+    ))
+  })
 })
 
 describe("environment variables", function() {