packages/file_selector/file_selector_platform_interface/test/method_channel_file_selector_test.dart

// Copyright 2020 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';

import 'package:file_selector_platform_interface/file_selector_platform_interface.dart';
import 'package:file_selector_platform_interface/src/method_channel/method_channel_file_selector.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('$MethodChannelFileSelector()', () {
    MethodChannelFileSelector plugin = MethodChannelFileSelector();

    final List<MethodCall> log = <MethodCall>[];

    setUp(() {
      plugin.channel.setMockMethodCallHandler((MethodCall methodCall) async {
        log.add(methodCall);
        return null;
      });

      log.clear();
    });

    group('#openFile', () {
      test('passes the accepted type groups correctly', () async {
        final group = XTypeGroup(
          label: 'text',
          extensions: ['.txt'],
          mimeTypes: ['text/plain'],
          macUTIs: ['public.text'],
        );

        final groupTwo = XTypeGroup(
            label: 'image',
            extensions: ['.jpg'],
            mimeTypes: ['image/jpg'],
            macUTIs: ['public.image'],
            webWildCards: ['image/*']);

        await plugin.openFile(acceptedTypeGroups: [group, groupTwo]);

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': [group.toJSON(), groupTwo.toJSON()],
              'initialDirectory': null,
              'confirmButtonText': null,
              'multiple': false,
            }),
          ],
        );
      });
      test('passes initialDirectory correctly', () async {
        await plugin.openFile(initialDirectory: "/example/directory");

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': "/example/directory",
              'confirmButtonText': null,
              'multiple': false,
            }),
          ],
        );
      });
      test('passes confirmButtonText correctly', () async {
        await plugin.openFile(confirmButtonText: "Open File");

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': null,
              'confirmButtonText': "Open File",
              'multiple': false,
            }),
          ],
        );
      });
    });
    group('#openFiles', () {
      test('passes the accepted type groups correctly', () async {
        final group = XTypeGroup(
          label: 'text',
          extensions: ['.txt'],
          mimeTypes: ['text/plain'],
          macUTIs: ['public.text'],
        );

        final groupTwo = XTypeGroup(
            label: 'image',
            extensions: ['.jpg'],
            mimeTypes: ['image/jpg'],
            macUTIs: ['public.image'],
            webWildCards: ['image/*']);

        await plugin.openFiles(acceptedTypeGroups: [group, groupTwo]);

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': [group.toJSON(), groupTwo.toJSON()],
              'initialDirectory': null,
              'confirmButtonText': null,
              'multiple': true,
            }),
          ],
        );
      });
      test('passes initialDirectory correctly', () async {
        await plugin.openFiles(initialDirectory: "/example/directory");

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': "/example/directory",
              'confirmButtonText': null,
              'multiple': true,
            }),
          ],
        );
      });
      test('passes confirmButtonText correctly', () async {
        await plugin.openFiles(confirmButtonText: "Open File");

        expect(
          log,
          <Matcher>[
            isMethodCall('openFile', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': null,
              'confirmButtonText': "Open File",
              'multiple': true,
            }),
          ],
        );
      });
    });

    group('#getSavePath', () {
      test('passes the accepted type groups correctly', () async {
        final group = XTypeGroup(
          label: 'text',
          extensions: ['.txt'],
          mimeTypes: ['text/plain'],
          macUTIs: ['public.text'],
        );

        final groupTwo = XTypeGroup(
            label: 'image',
            extensions: ['.jpg'],
            mimeTypes: ['image/jpg'],
            macUTIs: ['public.image'],
            webWildCards: ['image/*']);

        await plugin.getSavePath(acceptedTypeGroups: [group, groupTwo]);

        expect(
          log,
          <Matcher>[
            isMethodCall('getSavePath', arguments: <String, dynamic>{
              'acceptedTypeGroups': [group.toJSON(), groupTwo.toJSON()],
              'initialDirectory': null,
              'suggestedName': null,
              'confirmButtonText': null,
            }),
          ],
        );
      });
      test('passes initialDirectory correctly', () async {
        await plugin.getSavePath(initialDirectory: "/example/directory");

        expect(
          log,
          <Matcher>[
            isMethodCall('getSavePath', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': "/example/directory",
              'suggestedName': null,
              'confirmButtonText': null,
            }),
          ],
        );
      });
      test('passes confirmButtonText correctly', () async {
        await plugin.getSavePath(confirmButtonText: "Open File");

        expect(
          log,
          <Matcher>[
            isMethodCall('getSavePath', arguments: <String, dynamic>{
              'acceptedTypeGroups': null,
              'initialDirectory': null,
              'suggestedName': null,
              'confirmButtonText': "Open File",
            }),
          ],
        );
      });
      group('#getDirectoryPath', () {
        test('passes initialDirectory correctly', () async {
          await plugin.getDirectoryPath(initialDirectory: "/example/directory");

          expect(
            log,
            <Matcher>[
              isMethodCall('getDirectoryPath', arguments: <String, dynamic>{
                'initialDirectory': "/example/directory",
                'confirmButtonText': null,
              }),
            ],
          );
        });
        test('passes confirmButtonText correctly', () async {
          await plugin.getDirectoryPath(confirmButtonText: "Open File");

          expect(
            log,
            <Matcher>[
              isMethodCall('getDirectoryPath', arguments: <String, dynamic>{
                'initialDirectory': null,
                'confirmButtonText': "Open File",
              }),
            ],
          );
        });
      });
    });
  });
}