test: add test case for template customisation

Author: Zakhar Dolozhevskiy

src/index.spec.ts

@@ -42,4 +42,13 @@ describe('index', () => {
             write: false,
         });
     });
+
+    it('apply templates customisation without issues', async () => {
+        await OpenAPI.generate({
+            input: './test/spec/v3.json',
+            output: './generated/v3/',
+            customTemplatesPath: './test/templates',
+            write: false,
+        });
+    });
 });

test/templates/exportService.hbs

@@ -0,0 +1,86 @@
+{{>header}}
+
+{{#if imports}}
+{{#each imports}}
+import type { {{{this}}} } from '../models/{{{this}}}';
+{{/each}}
+{{/if}}
+import { request as __request } from '../core/request';
+{{#if @root.useVersion}}
+import { OpenAPI } from '../core/OpenAPI';
+{{/if}}
+
+export class {{{name}}} {
+
+    {{#each operations}}
+    /**
+    {{#if deprecated}}
+     * @deprecated
+    {{/if}}
+    {{#if summary}}
+     * {{{summary}}}
+    {{/if}}
+    {{#if description}}
+     * {{{description}}}
+    {{/if}}
+    {{#if parameters}}
+    {{#each parameters}}
+     * @param {{{name}}} {{{description}}}
+    {{/each}}
+    {{/if}}
+    {{#each results}}
+     * @result {{{type}}} {{{description}}}
+    {{/each}}
+     * @throws ApiError
+     */
+    public static async {{{name}}}({{>parameters}}): Promise<{{>result}}> {
+        const result = await __request({
+            method: '{{{method}}}',
+            path: `{{{path}}}`,
+            {{#if parametersCookie}}
+            cookies: {
+                {{#each parametersCookie}}
+                '{{{prop}}}': {{{name}}},
+                {{/each}}
+            },
+            {{/if}}
+            {{#if parametersHeader}}
+            headers: {
+                {{#each parametersHeader}}
+                '{{{prop}}}': {{{name}}},
+                {{/each}}
+            },
+            {{/if}}
+            {{#if parametersQuery}}
+            query: {
+                {{#each parametersQuery}}
+                '{{{prop}}}': {{{name}}},
+                {{/each}}
+            },
+            {{/if}}
+            {{#if parametersForm}}
+            formData: {
+                {{#each parametersForm}}
+                '{{{prop}}}': {{{name}}},
+                {{/each}}
+            },
+            {{/if}}
+            {{#if parametersBody}}
+            body: {{{parametersBody.name}}},
+            {{/if}}
+            {{#if responseHeader}}
+            responseHeader: '{{{responseHeader}}}',
+            {{/if}}
+            {{#if errors}}
+            errors: {
+                {{#each errors}}
+                {{{code}}}: `{{{description}}}`,
+                {{/each}}
+            },
+            {{/if}}
+        });
+        return result.body;
+    }
+
+    {{/each}}
+}