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monolith/src/tests/cli.rs

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Rust
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use assert_cmd::prelude::*;
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use std::env;
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use std::process::Command;
#[test]
fn print_version() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd.arg("-V").output().unwrap();
// STDOUT should contain program name and version
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
format!("{} {}\n", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"))
);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
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fn bad_input_empty_target() -> Result<(), Box<dyn std::error::Error>> {
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let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
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let out = cmd.arg("").output().unwrap();
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// STDOUT should be empty
assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");
// STDERR should contain error description
assert_eq!(
std::str::from_utf8(&out.stderr).unwrap(),
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"No target specified\n"
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);
// The exit code should be 1
out.assert().code(1);
Ok(())
}
#[test]
fn bad_input_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd.arg("data:,Hello%2C%20World!").output().unwrap();
// STDOUT should contain HTML
assert_eq!(std::str::from_utf8(&out.stdout).unwrap(), "");
// STDERR should contain error description
assert_eq!(
std::str::from_utf8(&out.stderr).unwrap(),
"Unsupported data URL input\n"
);
// The exit code should be 1
out.assert().code(1);
Ok(())
}
#[test]
fn isolate_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-I")
.arg("data:text/html,Hello%2C%20World!")
.output()
.unwrap();
// STDOUT should contain isolated HTML
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
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"<html><head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:;\"></meta>\
</head><body>Hello, World!</body></html>\n"
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);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn remove_css_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-c")
.arg("data:text/html,<style>body{background-color:pink}</style>Hello")
.output()
.unwrap();
// STDOUT should contain HTML with no CSS
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
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"<html><head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none';\"></meta>\
<style></style>\
</head><body>Hello</body></html>\n"
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);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn remove_frames_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-f")
.arg("data:text/html,<iframe src=\"https://google.com\"></iframe>Hi")
.output()
.unwrap();
// STDOUT should contain HTML with no iframes
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
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"<html><head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"frame-src 'none';child-src 'none';\"></meta>\
</head><body><iframe src=\"\"></iframe>Hi</body></html>\n"
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);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn remove_images_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-i")
.arg("data:text/html,<img src=\"https://google.com\"/>Hi")
.output()
.unwrap();
// STDOUT should contain HTML with no images
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
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"<html>\
<head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"img-src data:;\"></meta>\
</head>\
<body>\
<img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\
Hi\
</body>\
</html>\n"
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);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn remove_js_from_data_url() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-j")
.arg("data:text/html,<script>alert(2)</script>Hi")
.output()
.unwrap();
// STDOUT should contain HTML with no JS
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
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"<html>\
<head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"script-src 'none';\"></meta>\
<script></script></head>\
<body>Hi</body>\
</html>\n"
);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn local_file_target_input() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let cwd_normalized: String =
str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
let out = cmd
.arg(if cfg!(windows) {
"src\\tests\\data\\local-file.html"
} else {
"src/tests/data/local-file.html"
})
.output()
.unwrap();
let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
// STDOUT should contain HTML from the local file
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
"<!DOCTYPE html><html lang=\"en\"><head>\n \
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n \
<title>Local HTML file</title>\n \
<link href=\"data:text/css;base64,Ym9keSB7CiAgICBiYWNrZ3JvdW5kLWNvbG9yOiAjMDAwOwogICAgY29sb3I6ICNmZmY7Cn0K\" rel=\"stylesheet\" type=\"text/css\">\n \
<link href=\"data:text/css;base64,\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n \
<img alt=\"\" src=\"\">\n \
<a href=\"file://local-file.html/\">Tricky href</a>\n \
<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n \
<script src=\"data:application/javascript;base64,ZG9jdW1lbnQuYm9keS5zdHlsZS5iYWNrZ3JvdW5kQ29sb3IgPSAiZ3JlZW4iOwpkb2N1bWVudC5ib2R5LnN0eWxlLmNvbG9yID0gInJlZCI7Cg==\"></script>\n\n\n\n\
</body></html>\n"
);
// STDERR should contain list of retrieved file URLs
assert_eq!(
std::str::from_utf8(&out.stderr).unwrap(),
format!(
"{file}{cwd}/src/tests/data/local-file.html\n\
{file}{cwd}/src/tests/data/local-style.css\n\
{file}{cwd}/src/tests/data/local-script.js\n",
file = file_url_protocol,
cwd = cwd_normalized
)
);
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn local_file_target_input_absolute_target_path() -> Result<(), Box<dyn std::error::Error>> {
let cwd = env::current_dir().unwrap();
let cwd_normalized: String =
str!(env::current_dir().unwrap().to_str().unwrap()).replace("\\", "/");
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("-jciI")
.arg(if cfg!(windows) {
format!(
"{cwd}\\src\\tests\\data\\local-file.html",
cwd = cwd.to_str().unwrap()
)
} else {
format!(
"{cwd}/src/tests/data/local-file.html",
cwd = cwd.to_str().unwrap()
)
})
.output()
.unwrap();
let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
// STDOUT should contain HTML from the local file
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
"<!DOCTYPE html><html lang=\"en\"><head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'unsafe-inline' data:; style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n \
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n \
<title>Local HTML file</title>\n \
<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n \
<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n \
<img alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\n \
<a href=\"file://local-file.html/\">Tricky href</a>\n \
<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n \
<script src=\"\"></script>\n\n\n\n\
</body></html>\n"
);
// STDERR should contain only the target file
assert_eq!(
std::str::from_utf8(&out.stderr).unwrap(),
format!(
"{file}{cwd}/src/tests/data/local-file.html\n",
file = file_url_protocol,
cwd = cwd_normalized,
)
);
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn local_file_url_target_input() -> Result<(), Box<dyn std::error::Error>> {
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let cwd = env::current_dir().unwrap();
let file_url_protocol: &str = if cfg!(windows) { "file:///" } else { "file://" };
let out = cmd
.arg("-cji")
.arg(if cfg!(windows) {
format!(
"{file}{cwd}\\src\\tests\\data\\local-file.html",
file = file_url_protocol,
cwd = cwd.to_str().unwrap(),
)
} else {
format!(
"{file}{cwd}/src/tests/data/local-file.html",
file = file_url_protocol,
cwd = cwd.to_str().unwrap(),
)
})
.output()
.unwrap();
// STDOUT should contain HTML from the local file
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
"<!DOCTYPE html><html lang=\"en\"><head>\
<meta http-equiv=\"Content-Security-Policy\" content=\"style-src 'none'; script-src 'none'; img-src data:;\"></meta>\n \
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n \
<title>Local HTML file</title>\n \
<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n \
<link href=\"\" rel=\"stylesheet\" type=\"text/css\">\n</head>\n\n<body>\n \
<img alt=\"\" src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\">\n \
<a href=\"file://local-file.html/\">Tricky href</a>\n \
<a href=\"https://github.com/Y2Z/monolith\">Remote URL</a>\n \
<script src=\"\"></script>\n\n\n\n\
</body></html>\n"
);
// STDERR should contain list of retrieved file URLs
assert_eq!(
std::str::from_utf8(&out.stderr).unwrap(),
if cfg!(windows) {
format!(
"{file}{cwd}\\src\\tests\\data\\local-file.html\n",
file = file_url_protocol,
cwd = cwd.to_str().unwrap(),
)
} else {
format!(
"{file}{cwd}/src/tests/data/local-file.html\n",
file = file_url_protocol,
cwd = cwd.to_str().unwrap(),
)
}
);
// The exit code should be 0
out.assert().code(0);
Ok(())
}
#[test]
fn security_disallow_local_assets_within_data_url_targets() -> Result<(), Box<dyn std::error::Error>>
{
let mut cmd = Command::cargo_bin(env!("CARGO_PKG_NAME"))?;
let out = cmd
.arg("data:text/html,%3Cscript%20src=\"src/tests/data/local-script.js\"%3E%3C/script%3E")
.output()
.unwrap();
// STDOUT should contain HTML with no JS in it
assert_eq!(
std::str::from_utf8(&out.stdout).unwrap(),
"<html><head><script src=\"\"></script></head><body></body></html>\n"
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);
// STDERR should be empty
assert_eq!(std::str::from_utf8(&out.stderr).unwrap(), "");
// The exit code should be 0
out.assert().code(0);
Ok(())
}
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