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add test suite
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@marijnh
marijnh committed Feb 21, 2011
1 parent ba42966 commit 0b41aa4
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29 changes: 29 additions & 0 deletions test/index.html
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<!doctype html>
<html>
<head>
<title>CodeMirror 2: Test Suite</title>
<link rel="stylesheet" href="../lib/codemirror.css">
<script src="../lib/codemirror.js"></script>
<link rel="stylesheet" href="../mode/javascript/javascript.css">
<script src="../mode/javascript/javascript.js"></script>

<style type="text/css">
.ok {color: #0e0;}
.failure {color: #e00;}
.error {color: #c90;}
</style>
</head>
<body style="max-width: 70em; margin-left: 2em; font-family: tahoma, arial, sans-serif;">
<h1>CodeMirror 2: Test Suite</h1>

<p>A limited set of programmatic sanity tests for CodeMirror.</p>

<pre id=output></pre>

<div style="visibility: hidden" id=testground>
<form><textarea id="code" name="code">CONTENT</textarea><input type=submit value=ok name=submit></form>
</div>

<script src="test.js"></script>
</body>
</html>
217 changes: 217 additions & 0 deletions test/test.js
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var tests = [];

test("fromTextArea", function() {
var te = document.getElementById("code");
var cm = CodeMirror.fromTextArea(te);
is(!te.offsetHeight);
eq(cm.getValue(), "CONTENT");
cm.setValue("foo\nbar");
eq(cm.getValue(), "foo\nbar");
cm.save();
eq(te.value, "foo\nbar");
cm.setValue("xxx");
cm.toTextArea();
is(te.offsetHeight);
eq(te.value, "xxx");
});

testCM("getRange", function(cm) {
eq(cm.getLine(0), "1234");
eq(cm.getLine(1), "5678");
eq(cm.getLine(2), null);
eq(cm.getLine(-1), null);
eq(cm.getRange({line: 0, ch: 0}, {line: 0, ch: 3}), "123");
eq(cm.getRange({line: 0, ch: -1}, {line: 0, ch: 200}), "1234");
eq(cm.getRange({line: 0, ch: 2}, {line: 1, ch: 2}), "34\n56");
eq(cm.getRange({line: 1, ch: 2}, {line: 100, ch: 0}), "78");
}, {value: "1234\n5678"});

testCM("replaceRange", function(cm) {
eq(cm.getValue(), "");
cm.replaceRange("foo\n", {line: 0, ch: 0});
eq(cm.getValue(), "foo\n");
cm.replaceRange("a\nb", {line: 0, ch: 1});
eq(cm.getValue(), "fa\nboo\n");
eq(cm.lineCount(), 3);
cm.replaceRange("xyzzy", {line: 0, ch: 0}, {line: 1, ch: 1});
eq(cm.getValue(), "xyzzyoo\n");
cm.replaceRange("abc", {line: 0, ch: 0}, {line: 10, ch: 0});
eq(cm.getValue(), "abc");
eq(cm.lineCount(), 1);
});

testCM("selection", function(cm) {
cm.setSelection({line: 0, ch: 4}, {line: 2, ch: 2});
is(cm.somethingSelected());
eq(cm.getSelection(), "11\n222222\n33");
eqPos(cm.getCursor(false), {line: 2, ch: 2});
eqPos(cm.getCursor(true), {line: 0, ch: 4});
cm.setSelection({line: 1, ch: 0});
is(!cm.somethingSelected());
eq(cm.getSelection(), "");
eqPos(cm.getCursor(true), {line: 1, ch: 0});
cm.replaceSelection("abc");
eq(cm.getSelection(), "abc");
eq(cm.getValue(), "111111\nabc222222\n333333");
cm.replaceSelection("def", "end");
eq(cm.getSelection(), "");
eqPos(cm.getCursor(true), {line: 1, ch: 3});
cm.setCursor({line: 2, ch: 1});
eqPos(cm.getCursor(true), {line: 2, ch: 1});
cm.setCursor(1, 2);
eqPos(cm.getCursor(true), {line: 1, ch: 2});
}, {value: "111111\n222222\n333333"});

testCM("lines", function(cm) {
eq(cm.getLine(0), "111111");
eq(cm.getLine(1), "222222");
eq(cm.getLine(-1), null);
cm.removeLine(1);
cm.setLine(1, "abc");
eq(cm.getValue(), "111111\nabc");
}, {value: "111111\n222222\n333333"});

testCM("indent", function(cm) {
cm.indentLine(1);
eq(cm.getLine(1), " blah();");
cm.setOption("indentUnit", 8);
cm.indentLine(1);
eq(cm.getLine(1), "\tblah();");
}, {value: "if (x) {\nblah();\n}", indentUnit: 3, indentWithTabs: true});

test("defaults", function() {
var olddefaults = CodeMirror.defaults, defs = CodeMirror.defaults = {};
for (var opt in olddefaults) defs[opt] = olddefaults[opt];
defs.indentUnit = 5;
defs.value = "uu";
defs.enterMode = "keep";
defs.tabindex = 55;
var place = document.getElementById("testground"), cm = CodeMirror(place);
try {
eq(cm.getOption("indentUnit"), 5);
cm.setOption("indentUnit", 10);
eq(defs.indentUnit, 5);
eq(cm.getValue(), "uu");
eq(cm.getOption("enterMode"), "keep");
eq(cm.getInputField().tabindex, 55);
}
finally {
CodeMirror.defaults = olddefaults;
place.removeChild(cm.getWrapperElement());
}
});

testCM("lineInfo", function(cm) {
eq(cm.lineInfo(-1), null);
var lh = cm.setMarker(1, "FOO", "bar");
var info = cm.lineInfo(1);
eq(info.text, "222222");
eq(info.markerText, "FOO");
eq(info.markerClass, "bar");
eq(info.line, 1);
eq(cm.lineInfo(2).markerText, null);
cm.clearMarker(lh);
eq(cm.lineInfo(1).markerText, null);
}, {value: "111111\n222222\n333333"});

testCM("coords", function(cm) {
cm.getWrapperElement().style.height = "100px";
var content = [];
for (var i = 0; i < 200; ++i) content.push("------------------------------" + i);
cm.setValue(content.join("\n"));
var top = cm.charCoords({line: 0, ch: 0});
var bot = cm.charCoords({line: 200, ch: 30});
is(top.x < bot.x);
is(top.y < bot.y);
is(top.y < top.yBot);
cm.getWrapperElement().scrollTop = 100;
cm.refresh();
var top2 = cm.charCoords({line: 0, ch: 0});
is(top.y > top2.y);
eq(top.x, top2.x);
});

testCM("undo", function(cm) {
cm.setLine(0, "def");
eq(cm.historySize().undo, 1);
cm.undo();
eq(cm.getValue(), "abc");
eq(cm.historySize().undo, 0);
eq(cm.historySize().redo, 1);
cm.redo();
eq(cm.getValue(), "def");
eq(cm.historySize().undo, 1);
eq(cm.historySize().redo, 0);
cm.setValue("1\n\n\n2");
eq(cm.historySize().undo, 0);
for (var i = 0; i < 20; ++i) {
cm.replaceRange("a", {line: 0, ch: 0});
cm.replaceRange("b", {line: 3, ch: 0});
}
eq(cm.historySize().undo, 40);
for (var i = 0; i < 38; ++i) cm.undo();
eq(cm.historySize().undo, 2);
eq(cm.historySize().redo, 38);
eq(cm.getValue(), "a1\n\n\nb2");
cm.setOption("undoDepth", 10);
for (var i = 0; i < 20; ++i) {
cm.replaceRange("a", {line: 0, ch: 0});
cm.replaceRange("b", {line: 3, ch: 0});
}
eq(cm.historySize().undo, 10);
}, {value: "abc"});

// Scaffolding

function htmlEscape(str) {
return str.replace(/[<&]/g, function(str) {return str == "&" ? "&amp;" : "&lt;";});
}
function forEach(arr, f) {
for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
}

function Failure(why) {this.message = why;}

function test(name, run) {tests.push({name: name, func: run});}
function testCM(name, run, opts) {
test(name, function() {
var place = document.getElementById("testground"), cm = CodeMirror(place, opts);
try {run(cm);}
finally {place.removeChild(cm.getWrapperElement());}
});
}

function runTests() {
var failures = [], run = 0;
for (var i = 0; i < tests.length; ++i) {
var test = tests[i];
try {test.func();}
catch(e) {
if (e instanceof Failure)
failures.push({type: "failure", test: test.name, text: e.message});
else
failures.push({type: "error", test: test.name, text: e.toString()});
}
run++;
}
var html = [run + " tests run."];
if (failures.length)
forEach(failures, function(fail) {
html.push(fail.test + ': <span class="' + fail.type + '">' + htmlEscape(fail.text) + "</span>");
});
else html.push('<span class="ok">All passed.</span>');
document.getElementById("output").innerHTML = html.join("\n");
}

function eq(a, b, msg) {
if (a != b) throw new Failure(a + " != " + b + (msg ? " (" + msg + ")" : ""));
}
function eqPos(a, b, msg) {
eq(a.line, b.line, msg);
eq(a.ch, b.ch, msg);
}
function is(a, msg) {
if (!a) throw new Failure("assertion failed" + (msg ? " (" + msg + ")" : ""));
}

window.onload = runTests;

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