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#8539 Config preferences backend restructure

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This commit is contained in:
Peter Hall 2019-02-14 12:53:59 +00:00
parent 34fda66dfa
commit 8bfd4dc1e2
53 changed files with 1748 additions and 680 deletions
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63
components/config/tests/opts.rs
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@ -2,8 +2,11 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate servo_config;
use servo_config::opts::{parse_pref_from_command_line, parse_url_or_filename};
use servo_config::prefs::{PrefValue, PREFS};
use servo_config::{prefs, prefs::PrefValue};
use std::path::Path;
#[cfg(not(target_os = "windows"))]
@ -86,25 +89,53 @@ fn test_argument_parsing_special() {
assert_eq!(url.fragment(), None);
}
#[test]
fn test_invalid_prefs_from_command_line_panics() {
let err_msg = std::panic::catch_unwind(|| {
parse_pref_from_command_line("doesntexist=true");
})
.err()
.and_then(|a| a.downcast_ref::<String>().cloned())
.expect("Should panic");
assert!(
err_msg.starts_with("Error setting preference"),
"Message should describe the problem"
);
assert!(
err_msg.contains("doesntexist"),
"Message should mention the name of the preference"
);
}
#[test]
fn test_parse_pref_from_command_line() {
// Test with boolean values.
parse_pref_from_command_line("testtrue=true");
assert_eq!(*PREFS.get("testtrue"), PrefValue::Boolean(true));
parse_pref_from_command_line("testfalse=false");
assert_eq!(*PREFS.get("testfalse"), PrefValue::Boolean(false));
parse_pref_from_command_line("dom.bluetooth.enabled=true");
assert_eq!(
prefs::pref_map().get("dom.bluetooth.enabled"),
PrefValue::Bool(true)
);
assert_eq!(pref!(dom.bluetooth.enabled), true);
// Test with numbers.
parse_pref_from_command_line("testint=42");
assert_eq!(*PREFS.get("testint"), PrefValue::Number(42 as f64));
parse_pref_from_command_line("testfloat=4.2");
assert_eq!(*PREFS.get("testfloat"), PrefValue::Number(4.2));
parse_pref_from_command_line("dom.bluetooth.enabled=false");
assert_eq!(
prefs::pref_map().get("dom.bluetooth.enabled"),
PrefValue::Bool(false)
);
assert_eq!(pref!(dom.bluetooth.enabled), false);
// Test default (string).
parse_pref_from_command_line("teststr=str");
assert_eq!(*PREFS.get("teststr"), PrefValue::String("str".to_owned()));
// Test with numbers
parse_pref_from_command_line("layout.threads=42");
assert_eq!(pref!(layout.threads), 42);
// Test with no value.
parse_pref_from_command_line("testempty");
assert_eq!(*PREFS.get("testempty"), PrefValue::Boolean(true));
// Test string.
parse_pref_from_command_line("shell.homepage=str");
assert_eq!(pref!(shell.homepage), "str");
// Test with no value (defaults to true).
prefs::pref_map()
.set("dom.bluetooth.enabled", false)
.unwrap();
parse_pref_from_command_line("dom.bluetooth.enabled");
assert_eq!(pref!(dom.bluetooth.enabled), true);
}