test(unbound-method): port most of the test suite (#850)

* test(unbound-method): update fixtures

* test(unbound-method): port base rule valid cases

* test(unbound-method): port base rule invalid cases

* test(unbound-method): port custom behaviour tests

* test: remove unused fixtures

* test: rename back to `fixture`

* chore: formatting

Author: G-Rath

src/rules/unbound-method.ts

@@ -14,7 +14,7 @@ const toThrowMatchers = [
   'toThrowErrorMatchingInlineSnapshot',
 ]
 
-type MESSAGE_IDS = 'unbound' | 'unboundWithoutThisAnnotation'
+export type MESSAGE_IDS = 'unbound' | 'unboundWithoutThisAnnotation'
 
 const DEFAULT_MESSAGE = 'This rule requires `@typescript-eslint/eslint-plugin`'
 

tests/fixture/class.ts

@@ -0,0 +1,13 @@
+// used by no-throw-literal test case to validate custom error
+export class Error {}
+
+// used by unbound-method test case to test imports
+export const console = { log() {} }
+
+// used by prefer-reduce-type-parameter to test native vs userland check
+export class Reducable {
+  reduce() {}
+}
+
+// used by no-implied-eval test function imports
+export class Function {}

tests/fixture/react.tsx

@@ -1,6 +1,13 @@
 {
   "compilerOptions": {
-    "strict": true
+    "jsx": "preserve",
+    "target": "es5",
+    "module": "commonjs",
+    "strict": true,
+    "esModuleInterop": true,
+    "lib": ["es2015", "es2017", "esnext"],
+    "experimentalDecorators": true
   },
+  "files": ["estree.ts"],
   "include": ["*.ts", "*.tsx"]
 }