hana-cli
Version:
HANA Developer Command Line Interface
419 lines (331 loc) • 15.9 kB
JavaScript
// @ts-nocheck
/**
* @module Excel Functionality Tests - Unit tests for Excel export data generation and validation
*/
import { assert } from './base.js'
/**
* Validates that Excel data is in proper format
* @param {Array} excelData - Array of arrays representing Excel sheet data
* @returns {boolean} True if valid Excel format
*/
function isValidExcelFormat(excelData) {
if (!Array.isArray(excelData)) return false
if (excelData.length === 0) return false
// First row should be headers
const firstRow = excelData[0]
if (!Array.isArray(firstRow)) return false
if (firstRow.length === 0) return false
// All rows should have same number of columns as headers
const columnCount = firstRow.length
for (const row of excelData) {
if (!Array.isArray(row) || row.length !== columnCount) {
return false
}
}
return true
}
/**
* Simulates the Excel data transformation logic from routes/excel.js and bin/querySimple.js
* @param {Array<Object>} results - Query results from database
* @returns {Array<Array>} Transformed data suitable for Excel export
*/
function transformResultsToExcelFormat(results) {
let out = []
if (!results || results.length === 0) {
return out
}
// Column Headers
let header = []
for (const [key] of Object.entries(results[0])) {
header.push(key)
}
out.push(header)
// Data Rows
for (let item of results) {
let innerItem = []
for (const [key] of Object.entries(item)) {
innerItem.push(item[key])
}
out.push(innerItem)
}
return out
}
describe('Excel Export Functionality', function () {
describe('Excel Data Transformation - Basic', function () {
it('should transform simple query results to Excel format', function () {
const results = [
{ ID: 1, NAME: 'Alice', EMAIL: 'alice@example.com' },
{ ID: 2, NAME: 'Bob', EMAIL: 'bob@example.com' }
]
const excelData = transformResultsToExcelFormat(results)
// Should have 3 rows: 1 header + 2 data rows
assert.strictEqual(excelData.length, 3, 'Should have 1 header + 2 data rows')
// Header row should contain column names
assert.deepStrictEqual(
excelData[0],
['ID', 'NAME', 'EMAIL'],
'First row should contain headers'
)
})
it('should preserve data values in Excel format', function () {
const results = [
{ ID: 1, NAME: 'Alice', ACTIVE: true },
{ ID: 2, NAME: 'Bob', ACTIVE: false }
]
const excelData = transformResultsToExcelFormat(results)
// Check data rows
assert.deepStrictEqual(excelData[1], [1, 'Alice', true], 'First data row should match')
assert.deepStrictEqual(excelData[2], [2, 'Bob', false], 'Second data row should match')
})
it('should handle single record correctly', function () {
const results = [
{ USER: 'admin', STATUS: 'ACTIVE' }
]
const excelData = transformResultsToExcelFormat(results)
assert.strictEqual(excelData.length, 2, 'Should have 1 header + 1 data row')
assert.deepStrictEqual(excelData[0], ['USER', 'STATUS'], 'Should have correct headers')
assert.deepStrictEqual(excelData[1], ['admin', 'ACTIVE'], 'Should have correct data')
})
it('should handle multiple columns correctly', function () {
const results = [
{
COL1: 'value1',
COL2: 'value2',
COL3: 'value3',
COL4: 'value4',
COL5: 'value5'
}
]
const excelData = transformResultsToExcelFormat(results)
assert.strictEqual(excelData[0].length, 5, 'Should have 5 columns')
assert.strictEqual(excelData[1].length, 5, 'Data row should have 5 columns')
})
})
describe('Excel Data Type Handling', function () {
it('should preserve numeric values', function () {
const results = [
{ ID: 123, AMOUNT: 456.78, COUNT: 0 }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.strictEqual(dataRow[0], 123, 'Integer should be preserved')
assert.strictEqual(dataRow[1], 456.78, 'Decimal should be preserved')
assert.strictEqual(dataRow[2], 0, 'Zero should be preserved')
})
it('should preserve string values', function () {
const results = [
{ NAME: 'John', EMAIL: 'john@test.com', NOTES: 'Some notes here' }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.strictEqual(typeof dataRow[0], 'string', 'Strings should remain strings')
assert.ok(dataRow[0].includes('John'), 'String content should be preserved')
})
it('should handle boolean values', function () {
const results = [
{ ACTIVE: true, DELETED: false }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.strictEqual(dataRow[0], true, 'True boolean should be preserved')
assert.strictEqual(dataRow[1], false, 'False boolean should be preserved')
})
it('should handle null and undefined values', function () {
const results = [
{ ID: 1, OPTIONAL_FIELD: null, ANOTHER_FIELD: undefined }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.strictEqual(dataRow[1], null, 'Null should be preserved')
assert.strictEqual(dataRow[2], undefined, 'Undefined should be preserved')
})
it('should handle dates in ISO format', function () {
const testDate = new Date('2026-02-12T10:30:00Z')
const results = [
{ ID: 1, CREATED: testDate }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.ok(dataRow[1] instanceof Date || typeof dataRow[1] === 'object',
'Date object should be preserved')
})
})
describe('Excel Format Validation', function () {
it('should produce valid Excel format output', function () {
const results = [
{ ID: 1, NAME: 'Test' },
{ ID: 2, NAME: 'Data' }
]
const excelData = transformResultsToExcelFormat(results)
assert.ok(isValidExcelFormat(excelData), 'Output should be valid Excel format')
})
it('should validate consistent column count across all rows', function () {
const results = [
{ ID: 1, NAME: 'Alice', EMAIL: 'alice@test.com' },
{ ID: 2, NAME: 'Bob', EMAIL: 'bob@test.com' },
{ ID: 3, NAME: 'Charlie', EMAIL: 'charlie@test.com' }
]
const excelData = transformResultsToExcelFormat(results)
const headerCount = excelData[0].length
for (const row of excelData) {
assert.strictEqual(row.length, headerCount, 'All rows should have same column count')
}
})
it('should handle empty results array', function () {
const results = []
const excelData = transformResultsToExcelFormat(results)
assert.deepStrictEqual(excelData, [], 'Empty results should return empty array')
})
it('should handle null results', function () {
const excelData = transformResultsToExcelFormat(null)
assert.deepStrictEqual(excelData, [], 'Null results should return empty array')
})
})
describe('Excel Column Organization', function () {
it('should maintain column order from first result object', function () {
const results = [
{ LASTNAME: 'Doe', FIRSTNAME: 'John', ID: 1 },
{ LASTNAME: 'Smith', FIRSTNAME: 'Jane', ID: 2 }
]
const excelData = transformResultsToExcelFormat(results)
const headerRow = excelData[0]
// Order might vary depending on object iteration
assert.strictEqual(headerRow.length, 3, 'Should have 3 columns')
assert.ok(headerRow.includes('LASTNAME'), 'Should include LASTNAME')
assert.ok(headerRow.includes('FIRSTNAME'), 'Should include FIRSTNAME')
assert.ok(headerRow.includes('ID'), 'Should include ID')
})
it('should extract headers from first object only', function () {
const results = [
{ A: 1, B: 2, C: 3 },
{ A: 4, B: 5, C: 6 }
]
const excelData = transformResultsToExcelFormat(results)
// Headers should be from first object
assert.strictEqual(excelData[0].length, 3, 'Should have 3 columns from first object')
})
})
describe('Excel Row Count', function () {
it('should have correct number of rows including header', function () {
const testCases = [
{ data: [{ ID: 1 }], expectedRows: 2 },
{ data: [{ ID: 1 }, { ID: 2 }], expectedRows: 3 },
{ data: [{ ID: 1 }, { ID: 2 }, { ID: 3 }], expectedRows: 4 },
{ data: Array(100).fill().map((_, i) => ({ ID: i })), expectedRows: 101 }
]
for (const testCase of testCases) {
const excelData = transformResultsToExcelFormat(testCase.data)
assert.strictEqual(
excelData.length,
testCase.expectedRows,
`Should have ${testCase.expectedRows} rows for ${testCase.data.length} results`
)
}
})
})
describe('Excel Data Integrity', function () {
it('should not modify original results array', function () {
const results = [
{ ID: 1, NAME: 'Test', VALUE: 100 }
]
const originalResults = JSON.parse(JSON.stringify(results))
transformResultsToExcelFormat(results)
assert.deepStrictEqual(results, originalResults, 'Original results should not be modified')
})
it('should handle special characters in string values', function () {
const results = [
{ NAME: "O'Reilly", NOTES: 'Test "quoted" text', DATA: 'Line1\nLine2' }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.ok(dataRow[0].includes("'"), 'Should preserve single quotes')
assert.ok(dataRow[1].includes('"'), 'Should preserve double quotes')
assert.ok(dataRow[2].includes('\n'), 'Should preserve newlines')
})
it('should handle very long strings', function () {
const longString = 'x'.repeat(10000)
const results = [
{ ID: 1, DESCRIPTION: longString }
]
const excelData = transformResultsToExcelFormat(results)
const dataRow = excelData[1]
assert.strictEqual(dataRow[1], longString, 'Should preserve long strings')
assert.strictEqual(dataRow[1].length, 10000, 'String length should be accurate')
})
})
describe('Real-world Data Scenarios', function () {
it('should handle database query results with mixed types', function () {
const results = [
{
USER_ID: 1,
USERNAME: 'alice',
EMAIL: 'alice@company.com',
CREATED_DATE: new Date('2026-01-01'),
IS_ACTIVE: true,
FAILED_ATTEMPTS: 0,
LAST_LOGIN: null
},
{
USER_ID: 2,
USERNAME: 'bob',
EMAIL: 'bob@company.com',
CREATED_DATE: new Date('2026-01-15'),
IS_ACTIVE: true,
FAILED_ATTEMPTS: 2,
LAST_LOGIN: new Date('2026-02-11T14:30:00Z')
}
]
const excelData = transformResultsToExcelFormat(results)
assert.strictEqual(excelData.length, 3, 'Should have 1 header + 2 data rows')
assert.strictEqual(excelData[0].length, 7, 'Should have 7 columns')
assert.ok(isValidExcelFormat(excelData), 'Should be valid Excel format')
})
it('should handle large datasets', function () {
const results = []
for (let i = 0; i < 1000; i++) {
results.push({
ID: i + 1,
NAME: `User${i}`,
SCORE: Math.random() * 100,
ACTIVE: i % 2 === 0
})
}
const excelData = transformResultsToExcelFormat(results)
assert.strictEqual(excelData.length, 1001, 'Should have 1 header + 1000 data rows')
assert.ok(isValidExcelFormat(excelData), 'Should be valid Excel format for large dataset')
})
it('should handle SAP-specific data types and formats', function () {
const results = [
{
MANDT: '100',
SCHEMANAME: 'DEMO',
OBJECTNAME: 'USER_TABLE',
CREATEDATE: '20260101',
DATALEN: 5000000,
INDEXED: 'X',
RESERVED: null
}
]
const excelData = transformResultsToExcelFormat(results)
assert.strictEqual(excelData.length, 2, 'Should have header + data row')
assert.ok(isValidExcelFormat(excelData), 'Should validate SAP data format')
})
})
describe('Error Cases', function () {
it('should not throw when transforming empty array', function () {
assert.doesNotThrow(() => {
transformResultsToExcelFormat([])
}, 'Should handle empty array gracefully')
})
it('should not throw when transforming null', function () {
assert.doesNotThrow(() => {
transformResultsToExcelFormat(null)
}, 'Should handle null gracefully')
})
it('should not throw when transforming undefined', function () {
assert.doesNotThrow(() => {
transformResultsToExcelFormat(undefined)
}, 'Should handle undefined gracefully')
})
})
})