Merge servo_config and servo_config_tests

components/config/tests/prefs.rs

@@ -0,0 +1,77 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+extern crate servo_config;
+
+use servo_config::basedir;
+use servo_config::prefs::{PREFS, PrefValue, read_prefs_from_file};
+use std::fs::{self, File};
+use std::io::{Read, Write};
+
+#[test]
+fn test_create_pref() {
+    let json_str = "{\
+  \"layout.writing-mode.enabled\": true,\
+  \"network.mime.sniff\": false,\
+  \"shell.homepage\": \"https://servo.org\"\
+}";
+
+    let prefs = read_prefs_from_file(json_str.as_bytes());
+    assert!(prefs.is_ok());
+    let prefs = prefs.unwrap();
+
+    assert_eq!(prefs.len(), 3);
+}
+
+#[test]
+fn test_get_set_reset_extend() {
+    let json_str = "{\
+  \"layout.writing-mode.enabled\": true,\
+  \"extra.stuff\": false,\
+  \"shell.homepage\": \"https://google.com\"\
+}";
+
+    assert_eq!(*PREFS.get("test"), PrefValue::Missing);
+    PREFS.set("test", PrefValue::String("hi".to_owned()));
+    assert_eq!(*PREFS.get("test"), PrefValue::String("hi".to_owned()));
+    assert_eq!(*PREFS.get("shell.homepage"), PrefValue::String("https://servo.org".to_owned()));
+    PREFS.set("shell.homepage", PrefValue::Boolean(true));
+    assert_eq!(*PREFS.get("shell.homepage"), PrefValue::Boolean(true));
+    PREFS.reset("shell.homepage");
+    assert_eq!(*PREFS.get("shell.homepage"), PrefValue::String("https://servo.org".to_owned()));
+
+    let extension = read_prefs_from_file(json_str.as_bytes()).unwrap();
+    PREFS.extend(extension);
+    assert_eq!(*PREFS.get("shell.homepage"), PrefValue::String("https://google.com".to_owned()));
+    assert_eq!(*PREFS.get("layout.writing-mode.enabled"), PrefValue::Boolean(true));
+    assert_eq!(*PREFS.get("extra.stuff"), PrefValue::Boolean(false));
+}
+
+#[test]
+fn test_default_config_dir_create_read_write() {
+  let json_str = "{\
+  \"layout.writing-mode.enabled\": true,\
+  \"extra.stuff\": false,\
+  \"shell.homepage\": \"https://google.com\"\
+}";
+    let mut expected_json = String::new();
+    let config_path = basedir::default_config_dir().unwrap();
+
+    if !config_path.exists() {
+      fs::create_dir_all(&config_path).unwrap();
+    }
+
+    let json_path = config_path.join("test_config.json");
+
+    let mut fd = File::create(&json_path).unwrap();
+    assert_eq!(json_path.exists(), true);
+
+    fd.write_all(json_str.as_bytes()).unwrap();
+    let mut fd = File::open(&json_path).unwrap();
+    fd.read_to_string(&mut expected_json).unwrap();
+
+    assert_eq!(json_str, expected_json);
+
+    fs::remove_file(&json_path).unwrap();
+}