public void Should_throw_with_custom_placeholders_in_pattern_without_public_instance_property()
{
const string metricPattern = "Component/Memory/{NotInstanceProperty}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder();
Assert.Throws <Exception>(() => QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric"));
}
public void Assert_missing_database_name_replaced_with_none()
{
const string metricPattern = "Component/Memory/{DatabaseName}/{MetricName}";
var queryResult = new object();
var metricName = QueryContext.FormatMetricKey(metricPattern, queryResult, "MyMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/(none)/MyMetric"), "Substitution failed");
}
public void Assert_metric_pattern_substitution_appends_units_text_to_the_end()
{
const string metricPattern = "Component/Memory/{MetricName}/Foo";
var metricName = QueryContext.FormatMetricKey(metricPattern, new object(), "MyMetric", "[bytes/min]");
Assert.That(metricName, Is.EqualTo("Component/Memory/MyMetric/Foo[bytes/min]"), "Substitution failed");
}
public void Should_throw_with_custom_placeholders_in_pattern_without_matching_property()
{
const string metricPattern = "Component/Memory/{ThisMatchesNothing}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
ThePlaceholder = "BooHiss"
};
Assert.Throws <Exception>(() => QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric"));
}
public void Assert_custom_placeholders_with_null_values_are_replaced_with_null_text()
{
const string metricPattern = "Component/Memory/{ThePlaceholder}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
ThePlaceholder = null, TheMetric = 42,
};
var metricName = QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/null/TheMetric"), "Substitution failed");
}
public void Assert_custom_placeholders_in_pattern_are_replaced()
{
const string metricPattern = "Component/Memory/{ThePlaceholder}/Machine/{AnotherPlaceholder}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
ThePlaceholder = "Tada", AnotherPlaceholder = "Flexible", TheMetric = 42,
};
var metricName = QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/Tada/Machine/Flexible/TheMetric"), "Substitution failed");
}
public void Assert_custom_placeholders_have_whitespace_trimmed()
{
const string metricPattern = "Component/Memory/{ThePlaceholder}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
ThePlaceholder = " space then tab\t", TheMetric = 42,
};
var metricName = QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/space_then_tab/TheMetric"), "Substitution failed");
}
public void Assert_custom_placeholders_have_non_alphanumerics_replaced_with_underbar()
{
const string metricPattern = "Component/Memory/{ThePlaceholder}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
ThePlaceholder = "I ->have.bad_45+stuff!", TheMetric = 42,
};
var metricName = QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/I___have_bad_45_stuff_/TheMetric"), "Substitution failed");
}
public void Should_throw_when_placeholder_case_is_not_exact()
{
const string metricPattern = "Component/Memory/{CASEMATTERSPEOPLE}/{MetricName}";
var queryResult = new FakeQueryWithCustomPlaceHolder {
CaseMattersPeople = "Why are you yelling?",
};
var exception = Assert.Throws <Exception>(() => QueryContext.FormatMetricKey(metricPattern, queryResult, "TheMetric"));
Assert.That(exception.Message.ToLower(), Is.StringMatching("case-sensitive"), "Expected a helpful error message");
}
public void Assert_metric_pattern_substitution_replaces_database_with_name_from_result()
{
const string metricPattern = "Component/Memory/{MetricName}/{DatabaseName}/Foo";
var databaseMetric = Substitute.For <IDatabaseMetric>();
databaseMetric.DatabaseName.Returns("ManyTablesDB");
var metricName = QueryContext.FormatMetricKey(metricPattern, databaseMetric, "MyMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/MyMetric/ManyTablesDB/Foo"), "Substitution failed");
}
public void Assert_metric_pattern_substitution_appends_metric_name_if_metric_name_wildcard_missing()
{
var databaseMetric = Substitute.For <IDatabaseMetric>();
databaseMetric.DatabaseName.Returns("Tableriffic");
// With trailing slash in the pattern
var metricName = QueryContext.FormatMetricKey("Component/Memory/{DatabaseName}/", databaseMetric, "MyMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/Tableriffic/MyMetric"), "Substitution failed when trailing slash present");
// Without the trailing slash
metricName = QueryContext.FormatMetricKey("Component/Memory/{DatabaseName}", databaseMetric, "MyMetric");
Assert.That(metricName, Is.EqualTo("Component/Memory/Tableriffic/MyMetric"), "Substitution failed when trailing slash is missing");
}
public void AddMetric(QueryContext queryContext, object result)
{
var metricName = queryContext.FormatMetricKey(result, MetricName, MetricUnits);
_metricSetter(queryContext, metricName, _propertyInfo, result);
}
public void AddMetric(QueryContext queryContext, object result)
{
var metricName = queryContext.FormatMetricKey(result, MetricName, MetricUnits);
_metricSetter(queryContext, metricName, _propertyInfo, result);
}