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Add comprehensive test suite for docx_viewer package
Co-authored-by: santoshvandari <63558580+santoshvandari@users.noreply.github.com>
1 parent 11c1983 commit 67fa970

7 files changed

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‎test/docx_viewer_test.dart‎

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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:docx_viewer/docx_viewer.dart';
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// Import all test suites
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import 'src/extract_text_from_docx_test.dart' as extract_text_tests;
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import 'src/docx_view_test.dart' as docx_view_tests;
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import 'src/file_io_stub_test.dart' as file_io_stub_tests;
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import 'src/file_io_web_test.dart' as file_io_web_tests;
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import 'utils/support_type_test.dart' as support_type_tests;
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/// Main test file that runs all test suites for the docx_viewer package
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///
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/// This ensures comprehensive test coverage across all components:
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/// - Text extraction from DOCX files
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/// - DocxView widget functionality
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/// - Platform-specific file I/O implementations
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/// - Utility classes
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void main() {
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test('adds one to input values', () {
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DocxView(
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filePath: 'docs/sample.docx',
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onError: (error) {
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debugPrint(error.toString());
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},
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);
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DocxView(
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filePath: 'docs/sample.pdf',
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onError: (error) {
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debugPrint(error.toString());
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},
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);
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});
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group('Extract Text from DOCX Tests', extract_text_tests.main);
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group('DocxView Widget Tests', docx_view_tests.main);
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group('FileIO Stub Tests', file_io_stub_tests.main);
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group('FileIO Web Tests', file_io_web_tests.main);
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group('Support Type Tests', support_type_tests.main);
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}

‎test/fixtures/test_docx_generator.dart‎

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import 'dart:typed_data';
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import 'package:archive/archive.dart';
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import 'dart:convert';
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/// Helper class to generate test DOCX files for testing purposes
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class TestDocxGenerator {
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/// Creates a simple DOCX file with the given text content
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static Uint8List createSimpleDocx(String text) {
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final archive = Archive();
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// Create the required DOCX structure
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_addContentTypes(archive);
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_addRels(archive);
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_addDocument(archive, text);
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// Encode the archive as a ZIP file
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final zipEncoder = ZipEncoder();
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final zipBytes = zipEncoder.encode(archive);
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return Uint8List.fromList(zipBytes!);
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}
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/// Creates a DOCX file with numbered list
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static Uint8List createDocxWithNumbering(List<String> items) {
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final archive = Archive();
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// Create the required DOCX structure
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_addContentTypes(archive);
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_addRels(archive);
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_addDocumentWithNumbering(archive, items);
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// Encode the archive as a ZIP file
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final zipEncoder = ZipEncoder();
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final zipBytes = zipEncoder.encode(archive);
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return Uint8List.fromList(zipBytes!);
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}
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/// Creates an empty DOCX file
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static Uint8List createEmptyDocx() {
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return createSimpleDocx('');
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}
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/// Creates a DOCX file with multiple paragraphs
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static Uint8List createDocxWithMultipleParagraphs(List<String> paragraphs) {
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final archive = Archive();
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// Create the required DOCX structure
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_addContentTypes(archive);
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_addRels(archive);
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_addDocumentWithParagraphs(archive, paragraphs);
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// Encode the archive as a ZIP file
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final zipEncoder = ZipEncoder();
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final zipBytes = zipEncoder.encode(archive);
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return Uint8List.fromList(zipBytes!);
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}
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static void _addContentTypes(Archive archive) {
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const contentTypesXml = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
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<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
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<Default Extension="xml" ContentType="application/xml"/>
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<Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/>
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</Types>''';
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final file = ArchiveFile('[Content_Types].xml', contentTypesXml.length,
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utf8.encode(contentTypesXml));
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archive.addFile(file);
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}
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static void _addRels(Archive archive) {
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const relsXml = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
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<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/>
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</Relationships>''';
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final file =
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ArchiveFile('_rels/.rels', relsXml.length, utf8.encode(relsXml));
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archive.addFile(file);
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}
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static void _addDocument(Archive archive, String text) {
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final documentXml = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">
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<w:body>
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<w:p>
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<w:r>
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<w:t>$text</w:t>
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</w:r>
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</w:p>
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</w:body>
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</w:document>''';
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final file = ArchiveFile(
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'word/document.xml', documentXml.length, utf8.encode(documentXml));
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archive.addFile(file);
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}
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static void _addDocumentWithNumbering(Archive archive, List<String> items) {
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final paragraphs = items.asMap().entries.map((entry) {
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return '''
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<w:p>
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<w:pPr>
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<w:numPr>
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<w:ilvl w:val="0"/>
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<w:numId w:val="1"/>
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</w:numPr>
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</w:pPr>
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<w:r>
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<w:t>${entry.value}</w:t>
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</w:r>
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</w:p>''';
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}).join('\n');
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final documentXml = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">
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<w:body>
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$paragraphs
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</w:body>
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</w:document>''';
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final file = ArchiveFile(
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'word/document.xml', documentXml.length, utf8.encode(documentXml));
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archive.addFile(file);
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}
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static void _addDocumentWithParagraphs(
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Archive archive, List<String> paragraphs) {
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final paragraphsXml = paragraphs.map((text) {
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return '''
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<w:p>
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<w:r>
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<w:t>$text</w:t>
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</w:r>
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</w:p>''';
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}).join('\n');
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final documentXml = '''<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main">
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<w:body>
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$paragraphsXml
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</w:body>
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</w:document>''';
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final file = ArchiveFile(
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'word/document.xml', documentXml.length, utf8.encode(documentXml));
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archive.addFile(file);
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}
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}

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