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var assert = require("assert");
var promises = require("../lib/promises");
var documents = require("../lib/documents");
var documentToHtml = require("../lib/document-to-html");
var DocumentConverter = documentToHtml.DocumentConverter;
var commentAuthorLabel = documentToHtml.commentAuthorLabel;
var test = require("./test")(module);
var htmlPaths = require("../lib/styles/html-paths");
var xml = require("../lib/xml");
var results = require("../lib/results");
var documentMatchers = require("../lib/styles/document-matchers");
var Html = require("../lib/html");
test('should empty document to empty string', function() {
var document = new documents.Document([]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "");
});
});
test('should convert document containing one paragraph to single p element', function() {
var document = new documents.Document([
paragraphOfText("Hello.")
]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<p>Hello.</p>");
});
});
test('ignores empty paragraphs', function() {
var document = new documents.Document([
paragraphOfText("")
]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "");
});
});
test('text is HTML-escaped', function() {
var document = new documents.Document([
paragraphOfText("1 < 2")
]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<p>1 &lt; 2</p>");
});
});
test('should convert document containing multiple paragraphs to multiple p elements', function() {
var document = new documents.Document([
paragraphOfText("Hello."),
paragraphOfText("Goodbye.")
]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<p>Hello.</p><p>Goodbye.</p>");
});
});
test('uses style mappings to pick HTML element for docx paragraph', function() {
var document = new documents.Document([
paragraphOfText("Hello.", "Heading1", "Heading 1")
]);
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.paragraph({styleName: documentMatchers.equalTo("Heading 1")}),
to: htmlPaths.topLevelElement("h1")
}
]
});
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<h1>Hello.</h1>");
});
});
test('mappings for style names are case insensitive', function() {
var document = new documents.Document([
paragraphOfText("Hello.", "Heading1", "heading 1")
]);
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.paragraph({styleName: documentMatchers.equalTo("Heading 1")}),
to: htmlPaths.topLevelElement("h1")
}
]
});
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<h1>Hello.</h1>");
});
});
test('can use non-default HTML element for unstyled paragraphs', function() {
var document = new documents.Document([
paragraphOfText("Hello.")
]);
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.paragraph(),
to: htmlPaths.topLevelElement("h1")
}
]
});
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<h1>Hello.</h1>");
});
});
test('warning is emitted if paragraph style is unrecognised', function() {
var document = new documents.Document([
paragraphOfText("Hello.", "Heading1", "Heading 1")
]);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.deepEqual(result.messages, [results.warning("Unrecognised paragraph style: 'Heading 1' (Style ID: Heading1)")]);
});
});
test('can use stacked styles to generate nested HTML elements', function() {
var document = new documents.Document([
paragraphOfText("Hello.")
]);
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.paragraph(),
to: htmlPaths.elements(["h1", "span"])
}
]
});
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, "<h1><span>Hello.</span></h1>");
});
});
test('bold runs are wrapped in <strong> tags by default', function() {
var run = runOfText("Hello.", {isBold: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<strong>Hello.</strong>");
});
});
test('bold runs can be configured with style mapping', function() {
var run = runOfText("Hello.", {isBold: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.bold,
to: htmlPaths.elements([htmlPaths.element("em")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<em>Hello.</em>");
});
});
test('bold runs can exist inside other tags', function() {
var run = new documents.Paragraph([
runOfText("Hello.", {isBold: true})
]);
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<p><strong>Hello.</strong></p>");
});
});
test('consecutive bold runs are wrapped in a single <strong> element', function() {
var paragraph = new documents.Paragraph([
runOfText("Hello", {isBold: true}),
runOfText(".", {isBold: true})
]);
var converter = new DocumentConverter();
return converter.convertToHtml(paragraph).then(function(result) {
assert.equal(result.value, "<p><strong>Hello.</strong></p>");
});
});
test('underline runs are ignored by default', function() {
var run = runOfText("Hello.", {isUnderline: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "Hello.");
});
});
test('underline runs can be mapped using style mapping', function() {
var run = runOfText("Hello.", {isUnderline: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.underline,
to: htmlPaths.elements([htmlPaths.element("u")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<u>Hello.</u>");
});
});
test('style mapping for underline runs does not close parent elements', function() {
var run = runOfText("Hello.", {isUnderline: true, isBold: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.underline,
to: htmlPaths.elements([htmlPaths.element("u")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<strong><u>Hello.</u></strong>");
});
});
test('strikethrough runs are wrapped in <s> tags by default', function() {
var run = runOfText("Hello.", {isStrikethrough: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<s>Hello.</s>");
});
});
test('strikethrough runs can be configured with style mapping', function() {
var run = runOfText("Hello.", {isStrikethrough: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.strikethrough,
to: htmlPaths.elements([htmlPaths.element("del")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<del>Hello.</del>");
});
});
test('italic runs are wrapped in <em> tags', function() {
var run = runOfText("Hello.", {isItalic: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<em>Hello.</em>");
});
});
test('italic runs can be configured with style mapping', function() {
var run = runOfText("Hello.", {isItalic: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.italic,
to: htmlPaths.elements([htmlPaths.element("strong")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<strong>Hello.</strong>");
});
});
test('run can be both bold and italic', function() {
var run = runOfText("Hello.", {isBold: true, isItalic: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<strong><em>Hello.</em></strong>");
});
});
test('superscript runs are wrapped in <sup> tags', function() {
var run = runOfText("Hello.", {
verticalAlignment: documents.verticalAlignment.superscript
});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<sup>Hello.</sup>");
});
});
test('subscript runs are wrapped in <sub> tags', function() {
var run = runOfText("Hello.", {
verticalAlignment: documents.verticalAlignment.subscript
});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<sub>Hello.</sub>");
});
});
test('all caps runs are ignored by default', function() {
var run = runOfText("Hello.", {isAllCaps: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "Hello.");
});
});
test('all caps runs can be configured with style mapping', function() {
var run = runOfText("Hello.", {isAllCaps: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.allCaps,
to: htmlPaths.elements([htmlPaths.element("span")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<span>Hello.</span>");
});
});
test('small caps runs are ignored by default', function() {
var run = runOfText("Hello.", {isSmallCaps: true});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "Hello.");
});
});
test('small caps runs can be configured with style mapping', function() {
var run = runOfText("Hello.", {isSmallCaps: true});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.smallCaps,
to: htmlPaths.elements([htmlPaths.element("span")])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<span>Hello.</span>");
});
});
test('run styles are converted to HTML if mapping exists', function() {
var run = runOfText("Hello.", {styleId: "Heading1Char", styleName: "Heading 1 Char"});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.run({styleName: documentMatchers.equalTo("Heading 1 Char")}),
to: htmlPaths.elements(["strong"])
}
]
});
return converter.convertToHtml(run).then(function(result) {
assert.equal(result.value, "<strong>Hello.</strong>");
});
});
test('warning is emitted if run style is unrecognised', function() {
var run = runOfText("Hello.", {styleId: "Heading1Char", styleName: "Heading 1 Char"});
var converter = new DocumentConverter();
return converter.convertToHtml(run).then(function(result) {
assert.deepEqual(result.messages, [results.warning("Unrecognised run style: 'Heading 1 Char' (Style ID: Heading1Char)")]);
});
});
test('docx hyperlink is converted to <a>', function() {
var hyperlink = new documents.Hyperlink(
[runOfText("Hello.")],
{href: "http://www.example.com"}
);
var converter = new DocumentConverter();
return converter.convertToHtml(hyperlink).then(function(result) {
assert.equal(result.value, '<a href="http://www.example.com">Hello.</a>');
});
});
test('docx hyperlink can be collapsed', function() {
var hyperlink = new documents.Document([
new documents.Hyperlink(
[runOfText("Hello ")],
{href: "http://www.example.com"}
),
new documents.Hyperlink(
[runOfText("world")],
{href: "http://www.example.com"}
)
]);
var converter = new DocumentConverter();
return converter.convertToHtml(hyperlink).then(function(result) {
assert.equal(result.value, '<a href="http://www.example.com">Hello world</a>');
});
});
test('docx hyperlink with anchor is converted to <a>', function() {
var hyperlink = new documents.Hyperlink(
[runOfText("Hello.")],
{anchor: "_Peter"}
);
var converter = new DocumentConverter({
idPrefix: "doc-42-"
});
return converter.convertToHtml(hyperlink).then(function(result) {
assert.equal(result.value, '<a href="#doc-42-_Peter">Hello.</a>');
});
});
test('hyperlink target frame is used as anchor target', function() {
var hyperlink = new documents.Hyperlink(
[runOfText("Hello.")],
{anchor: "start", targetFrame: "_blank"}
);
var converter = new DocumentConverter();
return converter.convertToHtml(hyperlink).then(function(result) {
assert.equal(result.value, '<a href="#start" target="_blank">Hello.</a>');
});
});
test('bookmarks are converted to anchors', function() {
var bookmarkStart = new documents.BookmarkStart({name: "_Peter"});
var converter = new DocumentConverter({
idPrefix: "doc-42-"
});
var document = new documents.Document([bookmarkStart]);
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, '<a id="doc-42-_Peter"></a>');
});
});
test('docx tab is converted to tab in HTML', function() {
var tab = new documents.Tab();
var converter = new DocumentConverter();
return converter.convertToHtml(tab).then(function(result) {
assert.equal(result.value, "\t");
});
});
test('docx table is converted to table in HTML', function() {
var table = new documents.Table([
new documents.TableRow([
new documents.TableCell([paragraphOfText("Top left")]),
new documents.TableCell([paragraphOfText("Top right")])
]),
new documents.TableRow([
new documents.TableCell([paragraphOfText("Bottom left")]),
new documents.TableCell([paragraphOfText("Bottom right")])
])
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<tr><td><p>Top left</p></td><td><p>Top right</p></td></tr>" +
"<tr><td><p>Bottom left</p></td><td><p>Bottom right</p></td></tr>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('table style mappings can be used to map tables', function() {
var table = new documents.Table([], {styleName: "Normal Table"});
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.table({styleName: documentMatchers.equalTo("Normal Table")}),
to: htmlPaths.topLevelElement("table", {"class": "normal-table"})
}
]
});
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = '<table class="normal-table"></table>';
assert.equal(result.value, expectedHtml);
});
});
test('header rows are wrapped in thead', function() {
var table = new documents.Table([
new documents.TableRow([new documents.TableCell([])], {isHeader: true}),
new documents.TableRow([new documents.TableCell([])], {isHeader: true}),
new documents.TableRow([new documents.TableCell([])], {isHeader: false})
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<thead><tr><th></th></tr><tr><th></th></tr></thead>" +
"<tbody><tr><td></td></tr></tbody>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('tbody is omitted if all rows are headers', function() {
var table = new documents.Table([
new documents.TableRow([new documents.TableCell([])], {isHeader: true})
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<thead><tr><th></th></tr></thead>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('unexpected table children do not cause error', function() {
var table = new documents.Table([
new documents.tab()
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>\t</table>";
assert.equal(result.value, expectedHtml);
});
});
test('empty cells are preserved in table', function() {
var table = new documents.Table([
new documents.TableRow([
new documents.TableCell([paragraphOfText("")]),
new documents.TableCell([paragraphOfText("Top right")])
])
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<tr><td></td><td><p>Top right</p></td></tr>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('empty rows are preserved in table', function() {
var table = new documents.Table([
new documents.TableRow([
new documents.TableCell([paragraphOfText("Row 1")])
]),
new documents.TableRow([])
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<tr><td><p>Row 1</p></td></tr><tr></tr>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('table cells are written with colSpan if not equal to one', function() {
var table = new documents.Table([
new documents.TableRow([
new documents.TableCell([paragraphOfText("Top left")], {colSpan: 2}),
new documents.TableCell([paragraphOfText("Top right")])
])
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<tr><td colspan=\"2\"><p>Top left</p></td><td><p>Top right</p></td></tr>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('table cells are written with rowSpan if not equal to one', function() {
var table = new documents.Table([
new documents.TableRow([
new documents.TableCell([], {rowSpan: 2})
])
]);
var converter = new DocumentConverter();
return converter.convertToHtml(table).then(function(result) {
var expectedHtml = "<table>" +
"<tr><td rowspan=\"2\"></td></tr>" +
"</table>";
assert.equal(result.value, expectedHtml);
});
});
test('line break is converted to <br>', function() {
var converter = new DocumentConverter();
return converter.convertToHtml(documents.lineBreak).then(function(result) {
assert.equal(result.value, "<br />");
});
});
test('breaks that are not line breaks are ignored', function() {
var converter = new DocumentConverter();
return converter.convertToHtml(documents.pageBreak).then(function(result) {
assert.equal(result.value, "");
});
});
test('breaks can be mapped using style mappings', function() {
var converter = new DocumentConverter({
styleMap: [
{
from: documentMatchers.pageBreak,
to: htmlPaths.topLevelElement("hr")
}
]
});
return converter.convertToHtml(documents.pageBreak).then(function(result) {
assert.equal(result.value, "<hr />");
});
});
test('footnote reference is converted to superscript intra-page link', function() {
var footnoteReference = new documents.NoteReference({
noteType: "footnote",
noteId: "4"
});
var converter = new DocumentConverter({
idPrefix: "doc-42-"
});
return converter.convertToHtml(footnoteReference).then(function(result) {
assert.equal(result.value, '<sup><a href="#doc-42-footnote-4" id="doc-42-footnote-ref-4">[1]</a></sup>');
});
});
test('footnotes are included after the main body', function() {
var footnoteReference = new documents.NoteReference({
noteType: "footnote",
noteId: "4"
});
var document = new documents.Document(
[new documents.Paragraph([
runOfText("Knock knock"),
new documents.Run([footnoteReference])
])],
{
notes: new documents.Notes({
4: new documents.Note({
noteType: "footnote",
noteId: "4",
body: [paragraphOfText("Who's there?")]
})
})
}
);
var converter = new DocumentConverter({
idPrefix: "doc-42-"
});
return converter.convertToHtml(document).then(function(result) {
var expectedOutput = '<p>Knock knock<sup><a href="#doc-42-footnote-4" id="doc-42-footnote-ref-4">[1]</a></sup></p>' +
'<ol><li id="doc-42-footnote-4"><p>Who\'s there? <a href="#doc-42-footnote-ref-4">↑</a></p></li></ol>';
assert.equal(result.value, expectedOutput);
});
});
test('comments are ignored by default', function() {
var reference = documents.commentReference({commentId: "4"});
var comment = documents.comment({
commentId: "4",
body: [paragraphOfText("Who's there?")]
});
var document = documents.document([
documents.paragraph([
runOfText("Knock knock"),
documents.run([reference])
])
], {comments: [comment]});
var converter = new DocumentConverter({});
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value, '<p>Knock knock</p>');
assert.deepEqual(result.messages, []);
});
});
test('comment references are linked to comment after main body', function() {
var reference = documents.commentReference({commentId: "4"});
var comment = documents.comment({
commentId: "4",
body: [paragraphOfText("Who's there?")],
authorName: "The Piemaker",
authorInitials: "TP"
});
var document = documents.document([
documents.paragraph([
runOfText("Knock knock"),
documents.run([reference])
])
], {comments: [comment]});
var converter = new DocumentConverter({
idPrefix: "doc-42-",
styleMap: [
{from: documentMatchers.commentReference, to: htmlPaths.element("sup")}
]
});
return converter.convertToHtml(document).then(function(result) {
var expectedHtml = (
'<p>Knock knock<sup><a href="#doc-42-comment-4" id="doc-42-comment-ref-4">[TP1]</a></sup></p>' +
'<dl><dt id="doc-42-comment-4">Comment [TP1]</dt><dd><p>Who\'s there? <a href="#doc-42-comment-ref-4">↑</a></p></dd></dl>'
);
assert.equal(result.value, expectedHtml);
assert.deepEqual(result.messages, []);
});
});
test('images are written with data URIs', function() {
var imageBuffer = new Buffer("Not an image at all!");
var image = new documents.Image({
readImage: function(encoding) {
return promises.when(imageBuffer.toString(encoding));
},
contentType: "image/png"
});
var converter = new DocumentConverter();
return converter.convertToHtml(image).then(function(result) {
assert.equal(result.value, '<img src="data:image/png;base64,' + imageBuffer.toString("base64") + '" />');
});
});
test('images have alt attribute if available', function() {
var imageBuffer = new Buffer("Not an image at all!");
var image = new documents.Image({
readImage: function() {
return promises.when(imageBuffer);
},
altText: "It's a hat"
});
var converter = new DocumentConverter();
return converter.convertToHtml(image)
.then(function(result) {
return xml.readString(result.value);
})
.then(function(htmlImageElement) {
assert.equal(htmlImageElement.attributes.alt, "It's a hat");
});
});
test('can add custom handler for images', function() {
var imageBuffer = new Buffer("Not an image at all!");
var image = new documents.Image({
readImage: function(encoding) {
return promises.when(imageBuffer.toString(encoding));
},
contentType: "image/png"
});
var converter = new DocumentConverter({
convertImage: function(element, messages) {
return element.read("utf8").then(function(altText) {
return [Html.freshElement("img", {alt: altText})];
});
}
});
return converter.convertToHtml(image).then(function(result) {
assert.equal(result.value, '<img alt="Not an image at all!" />');
});
});
test('when custom image handler throws error then error is stored in error message', function() {
var error = new Error("Failed to convert image");
var image = new documents.Image({
readImage: function(encoding) {
return promises.when(new Buffer().toString(encoding));
},
contentType: "image/png"
});
var converter = new DocumentConverter({
convertImage: function(element, messages) {
throw error;
}
});
return converter.convertToHtml(image).then(function(result) {
assert.equal(result.value, '');
assert.equal(result.messages.length, 1);
var message = result.messages[0];
assert.equal("error", message.type);
assert.equal("Failed to convert image", message.message);
assert.equal(error, message.error);
});
});
test('long documents do not cause stack overflow', function() {
var paragraphs = [];
for (var i = 0; i < 1000; i++) {
paragraphs.push(paragraphOfText("Hello."));
}
var document = new documents.Document(paragraphs);
var converter = new DocumentConverter();
return converter.convertToHtml(document).then(function(result) {
assert.equal(result.value.indexOf("<p>Hello.</p>"), 0);
});
});
function paragraphOfText(text, styleId, styleName) {
var run = runOfText(text);
return new documents.Paragraph([run], {
styleId: styleId,
styleName: styleName
});
}
function runOfText(text, properties) {
var textElement = new documents.Text(text);
return new documents.Run([textElement], properties);
}
test('when initials are not blank then comment author label is initials', function() {
assert.equal(commentAuthorLabel({authorInitials: "TP"}), "TP");
});
test('when initials are blank then comment author label is blank', function() {
assert.equal(commentAuthorLabel({authorInitials: ""}), "");
assert.equal(commentAuthorLabel({authorInitials: undefined}), "");
assert.equal(commentAuthorLabel({authorInitials: null}), "");
});