public void ReturnsNullIfEnvironmentVariableNotSet()
{
// Arrange
const string variableName = "StringSetting";
var provider = new EnvironmentSettingsProvider();
// Act
var setting = (string)provider.GetSetting(variableName, typeof(string));
// Assert
Assert.IsNull(setting);
}
public void CanGetSettingFromEnvironment()
{
// Arrange
const string expectedValue = "Test123";
const string variableName = "AppConfigFacilityTestVar";
Environment.SetEnvironmentVariable(variableName, expectedValue);
var provider = new EnvironmentSettingsProvider();
// Act
var setting = (string)provider.GetSetting(variableName, typeof(string));
// Assert
Assert.AreEqual(expectedValue, setting);
}
public void TestEnvironmentSettingsProvider()
{
var key = "myKey";
var value = "myValue";
var keyValue = new KeyValuePair <string, string>(key, value);
System.Environment.SetEnvironmentVariable("APPSETTING_" + key, value);
var environmentSettingsProvider = new EnvironmentSettingsProvider();
Assert.Equal(value, environmentSettingsProvider.GetValue(key));
var results = environmentSettingsProvider.GetValues();
Assert.Contains(keyValue, results);
}
