test(linter/plugins): test fixes and suggestions at very end of file

apps/oxlint/test/fixtures/bom/plugin.ts

@@ -1,3 +1,5 @@
+import assert from "node:assert";
+
 import type { Plugin } from "#oxlint/plugins";
 
 const plugin: Plugin = {
@@ -7,13 +9,18 @@ const plugin: Plugin = {
   rules: {
     bom: {
       create(context) {
+        // Check file has not been formatted by accident.
+        // We want the fixture files not to have trailing whitespace to check diagnostics at very end of file.
+        const sourceText = context.sourceCode.text;
+        assert(sourceText.endsWith(";"), "Fixture file has been formatted");
+
         return {
           Program(node) {
             context.report({
               message:
                 "\n" +
                 `hasBOM: ${context.sourceCode.hasBOM}\n` +
-                `sourceText: ${JSON.stringify(context.sourceCode.text)}\n` +
+                `sourceText: ${JSON.stringify(sourceText)}\n` +
                 `Program span: ${node.start}-${node.end}`,
               node,
             });

apps/oxlint/test/fixtures/fixes/files/index.js

@@ -11,4 +11,4 @@ let h = 8;
 let i = 9;
 let j = 10;
 
-debugger;
+debugger;

apps/oxlint/test/fixtures/fixes/fix.snap.md

@@ -27,5 +27,4 @@ let granular = 9;
 let cowabunga = 10;
 
 
-
 ```

apps/oxlint/test/fixtures/fixes/plugin.ts

@@ -1,10 +1,17 @@
+import assert from "node:assert";
+
 import type { Diagnostic, Node, Plugin, Rule } from "#oxlint/plugins";
 
 const rule: Rule = {
   meta: {
     fixable: "code",
   },
   create(context) {
+    // Check file has not been formatted by accident.
+    // We want the fixture files not to have trailing whitespace to check fixes at very end of file.
+    const sourceText = context.sourceCode.text;
+    assert(!sourceText.endsWith("\n"), "Fixture file has been formatted");
+
     let debuggerCount = 0;
     return {
       DebuggerStatement(node) {

apps/oxlint/test/fixtures/suggestions/files/index.js

@@ -12,4 +12,4 @@ let i = 9;
 let j = 10;
 let k = 11;
 
-debugger;
+debugger;

apps/oxlint/test/fixtures/suggestions/fix-suggestions.snap.md

@@ -28,5 +28,4 @@ let cowabunga = 10;
 let kaboom = 11;
 
 
-
 ```

apps/oxlint/test/fixtures/suggestions/plugin.ts

@@ -1,10 +1,17 @@
+import assert from "node:assert";
+
 import type { Node, Plugin, Rule, Suggestion } from "#oxlint/plugins";
 
 const rule: Rule = {
   meta: {
     hasSuggestions: true,
   },
   create(context) {
+    // Check file has not been formatted by accident.
+    // We want the fixture files not to have trailing whitespace to check suggestions at very end of file.
+    const sourceText = context.sourceCode.text;
+    assert(!sourceText.endsWith("\n"), "Fixture has been formatted");
+
     let debuggerCount = 0;
     return {
       DebuggerStatement(node) {

oxfmtrc.jsonc

@@ -6,6 +6,8 @@
     "**/fixtures/**",
     "!apps/oxlint/test/fixtures/**",
     "apps/oxlint/test/fixtures/bom/files/**",
+    "apps/oxlint/test/fixtures/fixes/files/**",
+    "apps/oxlint/test/fixtures/suggestions/files/**",
     "**/dist/**",
     "**/generated/**",
     "**/CHANGELOG.md",