fix: test for linting errors

analyse.test.ts

@@ -1,4 +1,4 @@
-import { test } from "ava";
+import test from "ava";
 import * as path from "path";
 import analyse from "./analyse";
 

bad-snaps/__snapshots__/bad-snapshots.js.snap

@@ -0,0 +1,26 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`1. snapshot for simple-rn-component 1`] = `
+<View>
+  <Text
+    accessible={true}
+    allowFontScaling={true}
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+    ellipsizeMode="tail"
+  >
+    Hello World!
+  </Text>
+</View>
+`;

good-snaps/__snapshots__/good-snapshots.js.snap

@@ -0,0 +1,13 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`1. snapshot for simple-rn-component 1`] = `
+<View>
+  <Text
+    accessible={true}
+    allowFontScaling={true}
+    ellipsizeMode="tail"
+  >
+    Hello World!
+  </Text>
+</View>
+`;

index.ts

@@ -35,5 +35,5 @@ readFile(path.join(process.cwd(), ".jestlint"), "utf8")
     main(process.cwd(), {
       usingCI: ci,
       isVerbose: verbose
-    });
+    }).catch(() => process.exit(1));
   });

main.test.ts

@@ -0,0 +1,22 @@
+import test from "ava";
+import * as path from "path";
+import main from "./main";
+
+test("a snapshot with no errors should resolve successfully", async t => {
+  console.log("running");
+  await t.notThrowsAsync(
+    main(path.join(process.cwd(), "good-snaps"), {
+      usingCI: true,
+      isVerbose: false
+    })
+  );
+});
+
+test.only("a snapshot with errors should reject", async t => {
+  await t.throwsAsync(
+    main(path.join(process.cwd(), "bad-snaps"), {
+      usingCI: true,
+      isVerbose: false
+    })
+  );
+});

main.ts

@@ -1,4 +1,5 @@
 import * as glob from "glob";
+import * as path from "path";
 import chalk from "chalk";
 import analyse from "./analyse";
 import report from "./report";
@@ -22,12 +23,14 @@ const getSnapshots = (cwd: Dir, snapPattern?: string) =>
           console.log(chalk.yellow("No snaps were found"));
         }
 
-        return res(matches);
+        return res(matches.map(p => path.join(cwd, p)));
       }
     );
   });
 
-const reportHasError = (r: Report) => r.errors.length > 0;
+const reportHasError = (r: Report) =>
+  r.errors.length > 0 ||
+  r.lints.some(l => (l.error && l.error.length > 0) || l.errors.length > 0);
 
 export default async (cwd: Dir, opts: Options) => {
   const snapshots = await getSnapshots(cwd, opts.snapPattern);
@@ -56,6 +59,6 @@ export default async (cwd: Dir, opts: Options) => {
   });
 
   if (output.some(reportHasError)) {
-    process.exit(1);
+    throw new Error("Report has at least one error");
   }
 };