allow listElementCount to be 0 in config (#129)

Author: gurschitz

src/index.ts

@@ -555,7 +555,7 @@ export const plugin: PluginFunction<TypescriptMocksPluginConfig> = (schema, docu
     const enumValuesConvention = config.enumValues || 'change-case-all#pascalCase';
     const typeNamesConvention = config.typeNames || 'change-case-all#pascalCase';
     const transformUnderscore = config.transformUnderscore ?? true;
-    const listElementCount = config.listElementCount > 0 ? config.listElementCount : 1;
+    const listElementCount = Math.max(0, config.listElementCount ?? 1);
     const dynamicValues = !!config.dynamicValues;
     const generateLibrary = config.generateLibrary || 'casual';
     const enumsAsTypes = config.enumsAsTypes ?? false;

tests/__snapshots__/typescript-mock-data.spec.ts.snap

@@ -2444,6 +2444,85 @@ export const aQuery = (overrides?: Partial<Query>): Query => {
 "
 `;
 
+exports[`should generate no list elements when listElementCount is 0 1`] = `
+"import { Avatar, User, WithAvatar, CamelCaseThing, PrefixedResponse, AbcType, ListType, UpdateUserInput, Mutation, Query, AbcStatus, Status, PrefixedEnum } from './types/graphql';
+
+export const anAvatar = (overrides?: Partial<Avatar>): Avatar => {
+    return {
+        id: overrides && overrides.hasOwnProperty('id') ? overrides.id! : '0550ff93-dd31-49b4-8c38-ff1cb68bdc38',
+        url: overrides && overrides.hasOwnProperty('url') ? overrides.url! : 'aliquid',
+    };
+};
+
+export const aUser = (overrides?: Partial<User>): User => {
+    return {
+        id: overrides && overrides.hasOwnProperty('id') ? overrides.id! : 'a5756f00-41a6-422a-8a7d-d13ee6a63750',
+        creationDate: overrides && overrides.hasOwnProperty('creationDate') ? overrides.creationDate! : '1970-01-09T16:33:21.532Z',
+        login: overrides && overrides.hasOwnProperty('login') ? overrides.login! : 'libero',
+        avatar: overrides && overrides.hasOwnProperty('avatar') ? overrides.avatar! : anAvatar(),
+        status: overrides && overrides.hasOwnProperty('status') ? overrides.status! : Status.Online,
+        customStatus: overrides && overrides.hasOwnProperty('customStatus') ? overrides.customStatus! : AbcStatus.HasXyzStatus,
+        scalarValue: overrides && overrides.hasOwnProperty('scalarValue') ? overrides.scalarValue! : 'neque',
+        camelCaseThing: overrides && overrides.hasOwnProperty('camelCaseThing') ? overrides.camelCaseThing! : aCamelCaseThing(),
+        unionThing: overrides && overrides.hasOwnProperty('unionThing') ? overrides.unionThing! : anAvatar(),
+        prefixedEnum: overrides && overrides.hasOwnProperty('prefixedEnum') ? overrides.prefixedEnum! : PrefixedEnum.PrefixedValue,
+    };
+};
+
+export const aWithAvatar = (overrides?: Partial<WithAvatar>): WithAvatar => {
+    return {
+        id: overrides && overrides.hasOwnProperty('id') ? overrides.id! : '89f515e7-31e0-461d-a230-c4c7f4dafc5c',
+        avatar: overrides && overrides.hasOwnProperty('avatar') ? overrides.avatar! : anAvatar(),
+    };
+};
+
+export const aCamelCaseThing = (overrides?: Partial<CamelCaseThing>): CamelCaseThing => {
+    return {
+        id: overrides && overrides.hasOwnProperty('id') ? overrides.id! : '345b9cf9-00fa-4974-800f-aeee5ee7fd42',
+    };
+};
+
+export const aPrefixedResponse = (overrides?: Partial<PrefixedResponse>): PrefixedResponse => {
+    return {
+        ping: overrides && overrides.hasOwnProperty('ping') ? overrides.ping! : 'sunt',
+    };
+};
+
+export const anAbcType = (overrides?: Partial<AbcType>): AbcType => {
+    return {
+        abc: overrides && overrides.hasOwnProperty('abc') ? overrides.abc! : 'sit',
+    };
+};
+
+export const aListType = (overrides?: Partial<ListType>): ListType => {
+    return {
+        stringList: overrides && overrides.hasOwnProperty('stringList') ? overrides.stringList! : [],
+    };
+};
+
+export const anUpdateUserInput = (overrides?: Partial<UpdateUserInput>): UpdateUserInput => {
+    return {
+        id: overrides && overrides.hasOwnProperty('id') ? overrides.id! : '1d6a9360-c92b-4660-8e5f-04155047bddc',
+        login: overrides && overrides.hasOwnProperty('login') ? overrides.login! : 'qui',
+        avatar: overrides && overrides.hasOwnProperty('avatar') ? overrides.avatar! : anAvatar(),
+    };
+};
+
+export const aMutation = (overrides?: Partial<Mutation>): Mutation => {
+    return {
+        updateUser: overrides && overrides.hasOwnProperty('updateUser') ? overrides.updateUser! : aUser(),
+    };
+};
+
+export const aQuery = (overrides?: Partial<Query>): Query => {
+    return {
+        user: overrides && overrides.hasOwnProperty('user') ? overrides.user! : aUser(),
+        prefixed_query: overrides && overrides.hasOwnProperty('prefixed_query') ? overrides.prefixed_query! : aPrefixedResponse(),
+    };
+};
+"
+`;
+
 exports[`should generate single list element 1`] = `
 "import { Avatar, User, WithAvatar, CamelCaseThing, PrefixedResponse, AbcType, ListType, UpdateUserInput, Mutation, Query, AbcStatus, Status, PrefixedEnum } from './types/graphql';
 

tests/typescript-mock-data.spec.ts

@@ -481,6 +481,19 @@ it('should generate multiple list elements', async () => {
     expect(result).toMatchSnapshot();
 });
 
+it('should generate no list elements when listElementCount is 0', async () => {
+    const result = await plugin(testSchema, [], {
+        typesFile: './types/graphql.ts',
+        listElementCount: 0,
+    });
+
+    expect(result).toBeDefined();
+    expect(result).toContain(
+        "stringList: overrides && overrides.hasOwnProperty('stringList') ? overrides.stringList! : []",
+    );
+    expect(result).toMatchSnapshot();
+});
+
 it('should generate dynamic values in mocks', async () => {
     const result = await plugin(testSchema, [], { dynamicValues: true });