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Added tests for the vt/logz package #15060

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Jan 29, 2024
Merged

Added tests for the vt/logz package #15060

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207 changes: 207 additions & 0 deletions go/vt/logz/logz_utils_test.go
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Original file line number Diff line number Diff line change
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/*
Copyright 2024 The Vitess Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package logz

import (
"testing"

"net/http"
"net/http/httptest"

"github.com/stretchr/testify/require"
)

func TestWrappable(t *testing.T) {
tests := []struct {
input string
output string
}{
{
input: "s",
output: "s",
},
{
input: "val,ue",
output: "val,\u200bue",
},
{
input: ")al,ue",
output: ")\u200bal,\u200bue",
},
}

for _, tt := range tests {
tt := tt
t.Run(tt.input, func(t *testing.T) {
require.Equal(t, tt.output, Wrappable(tt.input))
})
}
}

func TestStartAndEndHTMLTable(t *testing.T) {
// Create a mock HTTP response writer
w := httptest.NewRecorder()

// Call the function to be tested
StartHTMLTable(w)

// Check the response status code
require.Equal(t, http.StatusOK, w.Code)

// Define the expected HTML content
expectedHTML := `<!DOCTYPE html>
<style type="text/css">
table.gridtable {
font-family: verdana,arial,sans-serif;
font-size:11px;
border-width: 1px;
border-collapse: collapse;
table-layout:fixed;
overflow: hidden;
}
table.gridtable th {
border-width: 1px;
padding: 8px;
border-style: solid;
background-color: #dedede;
white-space: nowrap;
}
table.gridtable tr.low {
background-color: #f0f0f0;
}
table.gridtable tr.medium {
background-color: #ffcc00;
}
table.gridtable tr.high {
background-color: #ff3300;
}
table.gridtable tr.error {
background-color: #00ddff;
}
table.gridtable td {
border-width: 1px;
padding: 4px;
border-style: solid;
}
table.gridtable th {
padding-left: 2em;
padding-right: 2em;
}
table.gridtable thead th {
cursor: pointer;
}

table.gridtable th.descending:before {
content: "▲";
float: left;
}
table.gridtable th.ascending:before {
content: "▼";
float: left;
}
</style>

<table class="gridtable">
`

// Check if the response body matches the expected HTML content
require.Contains(t, w.Body.String(), expectedHTML)

// Call the function to be tested
EndHTMLTable(w)

// Check the response status code
require.Equal(t, http.StatusOK, w.Code)

expectedHTML = `
</table>
<script type="text/javascript">
function wrapInner(parent, element, style) {

const wrapper = document.createElement(element);
wrapper.style = style

const div = parent.appendChild(wrapper);

while(parent.firstChild !== wrapper) {
wrapper.appendChild(parent.firstChild);
}
}

function sortableByColumn(element) {
const body = element.querySelector('tbody')
const header = element.querySelector('thead')

const contents = (element, i) => {
const data = element.querySelectorAll("td")[i].innerText.toLowerCase();
if (data == "n/a") {
return -1;
}

var asNumber = parseFloat(data);
if (data.slice(-1) == "s" && !isNaN(asNumber) && data.slice(0, -1) == asNumber) {
// Return durations (e.g. "11.2s") always as number.
return asNumber;
}
return data == asNumber ? asNumber : data;
}

element.querySelectorAll('thead tr th').forEach((th, index) => {
wrapInner(th, "div", "overflow: auto; display: inline-block;");
let direction = -1;

th.onclick=() => {
direction *= -1;
const headerCells = header.querySelectorAll('th');
headerCells.forEach((hc) => {
hc.classList.remove('ascending', 'descending');
})
th.classList.add(direction > 0? 'ascending' : 'descending');
const rows = body.querySelectorAll('tr');

const sortedRows = Array.from(rows).sort(function(left, right) {
var cl = contents(left, index);
var cr = contents(right, index);
if (cl === cr) {
return 0
} else {
return contents(left, index) > contents(right, index)? direction : -direction;
}
});

// Remove original rows
rows.forEach(row => row.remove());

// Add new sorted rows
sortedRows.forEach(row => {
body.appendChild(row);
});
}
})
}

// Execute the function when the DOM loads
(function() {
const table = document.querySelector('table');
sortableByColumn(table)
})();
</script>
`

// Check if the response body matches the expected HTML content
require.Contains(t, w.Body.String(), expectedHTML)
}
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