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events: Update types according to changes in MSC3552

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This commit is contained in:
Kévin Commaille 2023-01-05 10:01:13 +01:00 committed by Kévin Commaille
parent 2de1cecec6
commit 5985bbe803
5 changed files with 278 additions and 139 deletions
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3
crates/ruma-common/src/events/enums.rs
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@ -55,7 +55,8 @@ event_enum! {
#[ruma_enum(alias = "m.file")]
"org.matrix.msc1767.file" => super::file,
#[cfg(feature = "unstable-msc3552")]
"m.image" => super::image,
#[ruma_enum(alias = "m.image")]
"org.matrix.msc1767.image" => super::image,
"m.key.verification.ready" => super::key::verification::ready,
"m.key.verification.start" => super::key::verification::start,
"m.key.verification.cancel" => super::key::verification::cancel,

241
crates/ruma-common/src/events/image.rs
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@ -2,12 +2,14 @@
//!
//! [MSC3552]: https://github.com/matrix-org/matrix-spec-proposals/pull/3552
use std::ops::Deref;
use js_int::UInt;
use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};
use super::{
file::{EncryptedContent, FileContentBlock},
file::{CaptionContentBlock, EncryptedContent, FileContentBlock},
message::TextContentBlock,
room::message::Relation,
};
@ -16,13 +18,15 @@ use crate::OwnedMxcUri;
/// The payload for an extensible image message.
///
/// This is the new primary type introduced in [MSC3552] and should only be sent in rooms with a
/// version that supports it. See the documentation of the [`message`] module for more information.
/// version that supports it. This type replaces both the `m.room.message` type with `msgtype:
/// "m.image"` and the `m.sticker` type. To replace the latter, `sticker` must be set to `true` in
/// `image_details`. See the documentation of the [`message`] module for more information.
///
/// [MSC3552]: https://github.com/matrix-org/matrix-spec-proposals/pull/3552
/// [`message`]: super::message
#[derive(Clone, Debug, Serialize, Deserialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.image", kind = MessageLike, without_relation)]
#[ruma_event(type = "org.matrix.msc1767.image", kind = MessageLike, without_relation)]
pub struct ImageEventContent {
/// The text representation of the message.
#[serde(rename = "org.matrix.msc1767.text")]
@ -32,17 +36,36 @@ pub struct ImageEventContent {
#[serde(rename = "org.matrix.msc1767.file")]
pub file: FileContentBlock,
/// The image content of the message.
#[serde(rename = "m.image")]
pub image: Box<ImageContent>,
/// The image details of the message, if any.
#[serde(rename = "org.matrix.msc1767.image_details", skip_serializing_if = "Option::is_none")]
pub image_details: Option<ImageDetailsContentBlock>,
/// The thumbnails of the message.
#[serde(rename = "m.thumbnail", default, skip_serializing_if = "Vec::is_empty")]
pub thumbnail: Vec<ThumbnailContent>,
/// The thumbnails of the message, if any.
///
/// This is optional and defaults to an empty array.
#[serde(
rename = "org.matrix.msc1767.thumbnail",
default,
skip_serializing_if = "ThumbnailContentBlock::is_empty"
)]
pub thumbnail: ThumbnailContentBlock,
/// The captions of the message.
#[serde(rename = "m.caption", default, skip_serializing_if = "TextContentBlock::is_empty")]
pub caption: TextContentBlock,
/// The caption of the message, if any.
#[serde(rename = "org.matrix.msc1767.caption", skip_serializing_if = "Option::is_none")]
pub caption: Option<CaptionContentBlock>,
/// The alternative text of the image, for accessibility considerations, if any.
#[serde(rename = "org.matrix.msc1767.alt_text", skip_serializing_if = "Option::is_none")]
pub alt_text: Option<AltTextContentBlock>,
/// Whether this message is automated.
#[cfg(feature = "unstable-msc3955")]
#[serde(
default,
skip_serializing_if = "crate::serde::is_default",
rename = "org.matrix.msc1767.automated"
)]
pub automated: bool,
/// Information about related messages.
#[serde(
@ -60,87 +83,136 @@ impl ImageEventContent {
Self {
text,
file,
image: Default::default(),
image_details: None,
thumbnail: Default::default(),
caption: Default::default(),
caption: None,
alt_text: None,
#[cfg(feature = "unstable-msc3955")]
automated: false,
relates_to: None,
}
}
/// Creates a new `ImageEventContent` with the given plain text fallback representation and
/// file.
pub fn plain(text_fallback: impl Into<String>, file: FileContentBlock) -> Self {
pub fn with_plain_text(plain_text: impl Into<String>, file: FileContentBlock) -> Self {
Self {
text: TextContentBlock::plain(text_fallback),
text: TextContentBlock::plain(plain_text),
file,
image: Default::default(),
image_details: None,
thumbnail: Default::default(),
caption: Default::default(),
caption: None,
alt_text: None,
#[cfg(feature = "unstable-msc3955")]
automated: false,
relates_to: None,
}
}
}
/// Image content.
/// A block for details of image content.
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct ImageContent {
pub struct ImageDetailsContentBlock {
/// The height of the image in pixels.
#[serde(skip_serializing_if = "Option::is_none")]
pub height: Option<UInt>,
pub height: UInt,
/// The width of the image in pixels.
#[serde(skip_serializing_if = "Option::is_none")]
pub width: Option<UInt>,
pub width: UInt,
/// Whether the image should be presented as sticker.
#[serde(
rename = "org.matrix.msc1767.sticker",
default,
skip_serializing_if = "crate::serde::is_default"
)]
pub sticker: bool,
}
impl ImageContent {
/// Creates a new empty `ImageContent`.
pub fn new() -> Self {
Self::default()
impl ImageDetailsContentBlock {
/// Creates a new `ImageDetailsContentBlock` with the given width and height.
pub fn new(width: UInt, height: UInt) -> Self {
Self { height, width, sticker: Default::default() }
}
}
/// Creates a new `ImageContent` with the given width and height.
pub fn with_size(width: UInt, height: UInt) -> Self {
Self { height: Some(height), width: Some(width) }
}
/// A block for thumbnail content.
///
/// This is an array of [`Thumbnail`].
///
/// To construct a `ThumbnailContentBlock` convert a `Vec<Thumbnail>` with
/// `ThumbnailContentBlock::from()` / `.into()`.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
#[allow(clippy::exhaustive_structs)]
pub struct ThumbnailContentBlock(Vec<Thumbnail>);
/// Whether this `ImageContent` is empty.
impl ThumbnailContentBlock {
/// Whether this content block is empty.
pub fn is_empty(&self) -> bool {
self.height.is_none() && self.width.is_none()
self.0.is_empty()
}
}
impl From<Vec<Thumbnail>> for ThumbnailContentBlock {
fn from(thumbnails: Vec<Thumbnail>) -> Self {
Self(thumbnails)
}
}
impl FromIterator<Thumbnail> for ThumbnailContentBlock {
fn from_iter<T: IntoIterator<Item = Thumbnail>>(iter: T) -> Self {
Self(iter.into_iter().collect())
}
}
impl Deref for ThumbnailContentBlock {
type Target = [Thumbnail];
fn deref(&self) -> &Self::Target {
&self.0
}
}
/// Thumbnail content.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct ThumbnailContent {
pub struct Thumbnail {
/// The file info of the thumbnail.
#[serde(flatten)]
pub file: ThumbnailFileContent,
#[serde(rename = "org.matrix.msc1767.file")]
pub file: ThumbnailFileContentBlock,
/// The image info of the thumbnail.
#[serde(flatten, skip_serializing_if = "Option::is_none")]
pub image: Option<Box<ImageContent>>,
#[serde(rename = "org.matrix.msc1767.image_details")]
pub image_details: ThumbnailImageDetailsContentBlock,
}
impl ThumbnailContent {
/// Creates a `ThumbnailContent` with the given file and image info.
pub fn new(file: ThumbnailFileContent, image: Option<Box<ImageContent>>) -> Self {
Self { file, image }
impl Thumbnail {
/// Creates a `Thumbnail` with the given file and image details.
pub fn new(
file: ThumbnailFileContentBlock,
image_details: ThumbnailImageDetailsContentBlock,
) -> Self {
Self { file, image_details }
}
}
/// Thumbnail file content.
/// A block for thumbnail file content.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct ThumbnailFileContent {
pub struct ThumbnailFileContentBlock {
/// The URL to the thumbnail.
pub url: OwnedMxcUri,
/// Information about the uploaded thumbnail.
#[serde(flatten, skip_serializing_if = "Option::is_none")]
pub info: Option<Box<ThumbnailFileContentInfo>>,
/// The mimetype of the file, e.g. "image/png".
pub mimetype: String,
/// The original filename of the uploaded file.
#[serde(skip_serializing_if = "Option::is_none")]
pub name: Option<String>,
/// The size of the file in bytes.
#[serde(skip_serializing_if = "Option::is_none")]
pub size: Option<UInt>,
/// Information on the encrypted thumbnail.
///
@ -149,20 +221,26 @@ pub struct ThumbnailFileContent {
pub encryption_info: Option<Box<EncryptedContent>>,
}
impl ThumbnailFileContent {
/// Creates a new non-encrypted `ThumbnailFileContent` with the given url and file info.
pub fn plain(url: OwnedMxcUri, info: Option<Box<ThumbnailFileContentInfo>>) -> Self {
Self { url, info, encryption_info: None }
impl ThumbnailFileContentBlock {
/// Creates a new non-encrypted `ThumbnailFileContentBlock` with the given url and mimetype.
pub fn plain(url: OwnedMxcUri, mimetype: String) -> Self {
Self { url, mimetype, name: None, size: None, encryption_info: None }
}
/// Creates a new encrypted `ThumbnailFileContent` with the given url, encryption info and
/// thumbnail file info.
/// Creates a new encrypted `ThumbnailFileContentBlock` with the given url, mimetype and
/// encryption info.
pub fn encrypted(
url: OwnedMxcUri,
mimetype: String,
encryption_info: EncryptedContent,
info: Option<Box<ThumbnailFileContentInfo>>,
) -> Self {
Self { url, info, encryption_info: Some(Box::new(encryption_info)) }
Self {
url,
mimetype,
name: None,
size: None,
encryption_info: Some(Box::new(encryption_info)),
}
}
/// Whether the thumbnail file is encrypted.
@ -171,22 +249,47 @@ impl ThumbnailFileContent {
}
}
/// Information about a thumbnail file content.
#[derive(Clone, Debug, Default, Serialize, Deserialize)]
/// A block for details of thumbnail image content.
#[derive(Default, Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct ThumbnailFileContentInfo {
/// The mimetype of the thumbnail, e.g. `image/png`.
#[serde(skip_serializing_if = "Option::is_none")]
pub mimetype: Option<String>,
pub struct ThumbnailImageDetailsContentBlock {
/// The height of the image in pixels.
pub height: UInt,
/// The size of the thumbnail in bytes.
#[serde(skip_serializing_if = "Option::is_none")]
pub size: Option<UInt>,
/// The width of the image in pixels.
pub width: UInt,
}
impl ThumbnailFileContentInfo {
/// Creates an empty `ThumbnailFileContentInfo`.
pub fn new() -> Self {
Self::default()
impl ThumbnailImageDetailsContentBlock {
/// Creates a new `ThumbnailImageDetailsContentBlock` with the given width and height.
pub fn new(width: UInt, height: UInt) -> Self {
Self { height, width }
}
}
/// A block for alternative text content.
///
/// The content should only contain plain text messages. Non-plain text messages should be ignored.
///
/// To construct an `AltTextContentBlock` with a custom [`TextContentBlock`], convert it with
/// `AltTextContentBlock::from()` / `.into()`.
#[derive(Clone, Debug, Serialize, Deserialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct AltTextContentBlock {
/// The alternative text.
#[serde(rename = "org.matrix.msc1767.text")]
pub text: TextContentBlock,
}
impl AltTextContentBlock {
/// A convenience constructor to create a plain text alternative text content block.
pub fn plain(body: impl Into<String>) -> Self {
Self { text: TextContentBlock::plain(body) }
}
}
impl From<TextContentBlock> for AltTextContentBlock {
fn from(text: TextContentBlock) -> Self {
Self { text }
}
}

10
crates/ruma-common/src/events/video.rs
View File

@ -9,7 +9,7 @@ use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};
use super::{
file::FileContentBlock, image::ThumbnailContent, message::TextContentBlock,
file::FileContentBlock, image::ThumbnailContentBlock, message::TextContentBlock,
room::message::Relation,
};
@ -37,8 +37,12 @@ pub struct VideoEventContent {
pub video: Box<VideoContent>,
/// The thumbnails of the message.
#[serde(rename = "m.thumbnail", default, skip_serializing_if = "Vec::is_empty")]
pub thumbnail: Vec<ThumbnailContent>,
#[serde(
rename = "org.matrix.msc1767.thumbnail",
default,
skip_serializing_if = "ThumbnailContentBlock::is_empty"
)]
pub thumbnail: ThumbnailContentBlock,
/// The captions of the message.
#[serde(rename = "m.caption", default, skip_serializing_if = "TextContentBlock::is_empty")]

115
crates/ruma-common/tests/events/image.rs
View File

@ -1,15 +1,14 @@
#![cfg(feature = "unstable-msc3552")]
use assert_matches::assert_matches;
use assign::assign;
use js_int::uint;
use ruma_common::{
event_id,
events::{
file::{EncryptedContentInit, FileContentBlock},
file::{CaptionContentBlock, EncryptedContentInit, FileContentBlock},
image::{
ImageContent, ImageEventContent, ThumbnailContent, ThumbnailFileContent,
ThumbnailFileContentInfo,
ImageDetailsContentBlock, ImageEventContent, Thumbnail, ThumbnailFileContentBlock,
ThumbnailImageDetailsContentBlock,
},
message::TextContentBlock,
relation::InReplyTo,
@ -24,7 +23,7 @@ use serde_json::{from_value as from_json_value, json, to_value as to_json_value}
#[test]
fn plain_content_serialization() {
let event_content = ImageEventContent::plain(
let event_content = ImageEventContent::with_plain_text(
"Upload: my_image.jpg",
FileContentBlock::plain(
mxc_uri!("mxc://notareal.hs/abcdef").to_owned(),
@ -42,14 +41,13 @@ fn plain_content_serialization() {
"url": "mxc://notareal.hs/abcdef",
"name": "my_image.jpg",
},
"m.image": {}
})
);
}
#[test]
fn encrypted_content_serialization() {
let event_content = ImageEventContent::plain(
let event_content = ImageEventContent::with_plain_text(
"Upload: my_image.jpg",
FileContentBlock::encrypted(
mxc_uri!("mxc://notareal.hs/abcdef").to_owned(),
@ -97,7 +95,6 @@ fn encrypted_content_serialization() {
},
"v": "v2"
},
"m.image": {}
})
);
}
@ -114,18 +111,17 @@ fn image_event_serialization() {
content.file.mimetype = Some("image/jpeg".to_owned());
content.file.size = Some(uint!(897_774));
content.image = Box::new(ImageContent::with_size(uint!(1920), uint!(1080)));
content.thumbnail = vec![ThumbnailContent::new(
ThumbnailFileContent::plain(
content.image_details = Some(ImageDetailsContentBlock::new(uint!(1920), uint!(1080)));
let mut thumbnail = Thumbnail::new(
ThumbnailFileContentBlock::plain(
mxc_uri!("mxc://notareal.hs/thumbnail").to_owned(),
Some(Box::new(assign!(ThumbnailFileContentInfo::new(), {
mimetype: Some("image/jpeg".to_owned()),
size: Some(uint!(334_593)),
}))),
"image/jpeg".to_owned(),
),
None,
)];
content.caption = TextContentBlock::plain("This is my house");
ThumbnailImageDetailsContentBlock::new(uint!(560), uint!(480)),
);
thumbnail.file.size = Some(uint!(334_593));
content.thumbnail = vec![thumbnail].into();
content.caption = Some(CaptionContentBlock::plain("This is my house"));
content.relates_to = Some(Relation::Reply {
in_reply_to: InReplyTo::new(event_id!("$replyevent:example.com").to_owned()),
});
@ -143,22 +139,28 @@ fn image_event_serialization() {
"mimetype": "image/jpeg",
"size": 897_774,
},
"m.image": {
"org.matrix.msc1767.image_details": {
"width": 1920,
"height": 1080,
},
"m.thumbnail": [
"org.matrix.msc1767.thumbnail": [
{
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/jpeg",
"size": 334_593,
}
],
"m.caption": [
{
"body": "This is my house",
}
"org.matrix.msc1767.file": {
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/jpeg",
"size": 334_593,
},
"org.matrix.msc1767.image_details": {
"width": 560,
"height": 480,
},
},
],
"org.matrix.msc1767.caption": {
"org.matrix.msc1767.text": [
{ "body": "This is my house" },
],
},
"m.relates_to": {
"m.in_reply_to": {
"event_id": "$replyevent:example.com"
@ -178,14 +180,15 @@ fn plain_content_deserialization() {
"url": "mxc://notareal.hs/abcdef",
"name": "my_cat.png",
},
"m.image": {
"org.matrix.msc1767.image_details": {
"width": 668,
"height": 1023,
},
"org.matrix.msc1767.caption": {
"org.matrix.msc1767.text": [
{ "body": "Look at my cat!" },
],
},
"m.caption": [
{
"body": "Look at my cat!",
}
]
});
let content = from_json_value::<ImageEventContent>(json_data).unwrap();
@ -194,11 +197,13 @@ fn plain_content_deserialization() {
assert_eq!(content.file.url, "mxc://notareal.hs/abcdef");
assert_eq!(content.file.name, "my_cat.png");
assert_matches!(content.file.encryption_info, None);
assert_eq!(content.image.width, Some(uint!(668)));
assert_eq!(content.image.height, None);
let image_details = content.image_details.unwrap();
assert_eq!(image_details.width, uint!(668));
assert_eq!(image_details.height, uint!(1023));
assert_eq!(content.thumbnail.len(), 0);
assert_eq!(content.caption.len(), 1);
assert_eq!(content.caption.find_plain(), Some("Look at my cat!"));
let caption = content.caption.unwrap();
assert_eq!(caption.text.len(), 1);
assert_eq!(caption.text.find_plain(), Some("Look at my cat!"));
}
#[test]
@ -223,10 +228,16 @@ fn encrypted_content_deserialization() {
},
"v": "v2"
},
"m.image": {},
"m.thumbnail": [
"org.matrix.msc1767.thumbnail": [
{
"url": "mxc://notareal.hs/thumbnail",
"org.matrix.msc1767.file": {
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/png",
},
"org.matrix.msc1767.image_details": {
"width": 480,
"height": 560,
}
}
]
});
@ -237,11 +248,14 @@ fn encrypted_content_deserialization() {
assert_eq!(content.file.url, "mxc://notareal.hs/abcdef");
assert_eq!(content.file.name, "my_cat.png");
assert!(content.file.encryption_info.is_some());
assert_eq!(content.image.width, None);
assert_eq!(content.image.height, None);
assert!(content.image_details.is_none());
assert_eq!(content.thumbnail.len(), 1);
assert_eq!(content.thumbnail[0].file.url, "mxc://notareal.hs/thumbnail");
assert!(content.caption.is_empty());
let thumbnail = &content.thumbnail[0];
assert_eq!(thumbnail.file.url, "mxc://notareal.hs/thumbnail");
assert_eq!(thumbnail.file.mimetype, "image/png");
assert_eq!(thumbnail.image_details.width, uint!(480));
assert_eq!(thumbnail.image_details.height, uint!(560));
assert!(content.caption.is_none());
}
#[test]
@ -257,7 +271,7 @@ fn message_event_deserialization() {
"mimetype": "image/webp",
"size": 123_774,
},
"m.image": {
"org.matrix.msc1767.image_details": {
"width": 1300,
"height": 837,
}
@ -266,7 +280,7 @@ fn message_event_deserialization() {
"origin_server_ts": 134_829_848,
"room_id": "!roomid:notareal.hs",
"sender": "@user:notareal.hs",
"type": "m.image",
"type": "org.matrix.msc1767.image",
});
let message_event = assert_matches!(
@ -286,7 +300,8 @@ fn message_event_deserialization() {
assert_eq!(content.file.name, "my_gnome.webp");
assert_eq!(content.file.mimetype.as_deref(), Some("image/webp"));
assert_eq!(content.file.size, Some(uint!(123_774)));
assert_eq!(content.image.width, Some(uint!(1300)));
assert_eq!(content.image.height, Some(uint!(837)));
let image_details = content.image_details.unwrap();
assert_eq!(image_details.width, uint!(1300));
assert_eq!(image_details.height, uint!(837));
assert_eq!(content.thumbnail.len(), 0);
}

48
crates/ruma-common/tests/events/video.rs
View File

@ -9,7 +9,7 @@ use ruma_common::{
event_id,
events::{
file::{EncryptedContentInit, FileContentBlock},
image::{ThumbnailContent, ThumbnailFileContent, ThumbnailFileContentInfo},
image::{Thumbnail, ThumbnailFileContentBlock, ThumbnailImageDetailsContentBlock},
message::TextContentBlock,
relation::InReplyTo,
room::{message::Relation, JsonWebKeyInit},
@ -125,16 +125,15 @@ fn event_serialization() {
duration: Some(Duration::from_secs(15)),
}
));
content.thumbnail = vec![ThumbnailContent::new(
ThumbnailFileContent::plain(
let mut thumbnail = Thumbnail::new(
ThumbnailFileContentBlock::plain(
mxc_uri!("mxc://notareal.hs/thumbnail").to_owned(),
Some(Box::new(assign!(ThumbnailFileContentInfo::new(), {
mimetype: Some("image/jpeg".to_owned()),
size: Some(uint!(334_593)),
}))),
"image/jpeg".to_owned(),
),
None,
)];
ThumbnailImageDetailsContentBlock::new(uint!(560), uint!(480)),
);
thumbnail.file.size = Some(uint!(334_593));
content.thumbnail = vec![thumbnail].into();
content.caption = TextContentBlock::plain("This is my awesome vintage lava lamp");
content.relates_to = Some(Relation::Reply {
in_reply_to: InReplyTo::new(event_id!("$replyevent:example.com").to_owned()),
@ -158,11 +157,17 @@ fn event_serialization() {
"height": 1080,
"duration": 15_000,
},
"m.thumbnail": [
"org.matrix.msc1767.thumbnail": [
{
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/jpeg",
"size": 334_593,
"org.matrix.msc1767.file": {
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/jpeg",
"size": 334_593,
},
"org.matrix.msc1767.image_details": {
"width": 560,
"height": 480,
},
}
],
"m.caption": [
@ -236,9 +241,16 @@ fn encrypted_content_deserialization() {
"v": "v2"
},
"m.video": {},
"m.thumbnail": [
"org.matrix.msc1767.thumbnail": [
{
"url": "mxc://notareal.hs/thumbnail",
"org.matrix.msc1767.file": {
"url": "mxc://notareal.hs/thumbnail",
"mimetype": "image/png",
},
"org.matrix.msc1767.image_details": {
"width": 560,
"height": 480,
},
}
]
});
@ -253,7 +265,11 @@ fn encrypted_content_deserialization() {
assert_eq!(content.video.height, None);
assert_eq!(content.video.duration, None);
assert_eq!(content.thumbnail.len(), 1);
assert_eq!(content.thumbnail[0].file.url, "mxc://notareal.hs/thumbnail");
let thumbnail = &content.thumbnail[0];
assert_eq!(thumbnail.file.url, "mxc://notareal.hs/thumbnail");
assert_eq!(thumbnail.file.mimetype, "image/png");
assert_eq!(thumbnail.image_details.width, uint!(560));
assert_eq!(thumbnail.image_details.height, uint!(480));
assert!(content.caption.is_empty());
}