From 1a891a599dcf044181693e94a6b18114033c6107 Mon Sep 17 00:00:00 2001
From: Constantine Genchevsky <const.gen@gmail.com>
Date: Fri, 1 Jan 2021 18:14:30 +0200
Subject: [PATCH 1/2] Fix: Consider ENOTDIR error code on some platforms

GitLab CI throws ENOTDIR instead of ENOENT. Add checking for this condition.
---
 lib/cli-engine/cli-engine.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cli-engine/cli-engine.js b/lib/cli-engine/cli-engine.js
index 9a414061501..3fd4f5ee1e3 100644
--- a/lib/cli-engine/cli-engine.js
+++ b/lib/cli-engine/cli-engine.js
@@ -531,7 +531,7 @@ function directoryExists(resolvedPath) {
     try {
         return fs.statSync(resolvedPath).isDirectory();
     } catch (error) {
-        if (error && error.code === "ENOENT") {
+        if (error && (error.code === "ENOENT" || error.code === "ENOTDIR")) {
             return false;
         }
         throw error;

From 763afbda1b6820e25f7af9f2c55e05c4cd21969a Mon Sep 17 00:00:00 2001
From: constgen <const.gen@gmail.com>
Date: Sun, 31 Jan 2021 21:37:17 +0200
Subject: [PATCH 2/2] Chore: add tests with virtual files for
 ESLint#calculateConfigForFile

---
 tests/lib/eslint/eslint.js | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/lib/eslint/eslint.js b/tests/lib/eslint/eslint.js
index 530464ecaa1..b8a9c1d204e 100644
--- a/tests/lib/eslint/eslint.js
+++ b/tests/lib/eslint/eslint.js
@@ -3886,6 +3886,26 @@ describe("ESLint", () => {
             assert.deepStrictEqual(actualConfig, expectedConfig);
         });
 
+        it("should return the config for a file that doesn't exist", async () => {
+            const engine = new ESLint();
+            const filePath = getFixturePath("does_not_exist.js");
+            const existingSiblingFilePath = getFixturePath("single-quoted.js");
+            const actualConfig = await engine.calculateConfigForFile(filePath);
+            const expectedConfig = await engine.calculateConfigForFile(existingSiblingFilePath);
+
+            assert.deepStrictEqual(actualConfig, expectedConfig);
+        });
+
+        it("should return the config for a virtual file that is a child of an existing file", async () => {
+            const engine = new ESLint();
+            const parentFileName = "single-quoted.js";
+            const filePath = getFixturePath(parentFileName, "virtual.js"); // single-quoted.js/virtual.js
+            const parentFilePath = getFixturePath(parentFileName);
+            const actualConfig = await engine.calculateConfigForFile(filePath);
+            const expectedConfig = await engine.calculateConfigForFile(parentFilePath);
+
+            assert.deepStrictEqual(actualConfig, expectedConfig);
+        });
 
         it("should return the config when run from within a subdir", async () => {
             const options = {