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Breaking down some more components, adding tests.

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* Some bug fixes found during testing/test repair.
* Trying to tease apart the various responsibilities of `metricNamer` into smaller chunks and adding tests for each individual chunk.
* Updating the `provider_test` and `series_registry_test` to fix failures.
This commit is contained in:
Tony Compton 2018-07-19 10:53:48 -04:00
parent 76217a552b
commit fc88e6e57a
18 changed files with 1038 additions and 516 deletions
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64
pkg/custom-provider/query_builder_test.go Normal file
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package provider
import (
"testing"
"github.com/directxman12/k8s-prometheus-adapter/pkg/client"
"github.com/stretchr/testify/require"
)
func TestSimpleQuery(t *testing.T) {
builder, _ := NewQueryBuilder("rate(<<.Series>>{<<.LabelMatchers>>}[2m])")
// builder, _ := NewQueryBuilder("sum(rate(<<.Series>>{<<.LabelMatchers>>,static_label!=\"static_value\"}[2m])) by (<<.GroupBy>>)")
selector, _ := builder.BuildSelector("my_series", "", []string{}, []queryPart{})
expectation := client.Selector("rate(my_series{}[2m])")
require.Equal(t, selector, expectation)
}
func TestSimpleQueryWithOneLabelValue(t *testing.T) {
builder, _ := NewQueryBuilder("rate(<<.Series>>{<<.LabelMatchers>>}[2m])")
// builder, _ := NewQueryBuilder("sum(rate(<<.Series>>{<<.LabelMatchers>>,static_label!=\"static_value\"}[2m])) by (<<.GroupBy>>)")
selector, _ := builder.BuildSelector("my_series", "", []string{}, []queryPart{
queryPart{
labelName: "target_label",
values: []string{"one"},
},
})
expectation := client.Selector("rate(my_series{target_label=\"one\"}[2m])")
require.Equal(t, selector, expectation)
}
func TestSimpleQueryWithMultipleLabelValues(t *testing.T) {
builder, _ := NewQueryBuilder("rate(<<.Series>>{<<.LabelMatchers>>}[2m])")
// builder, _ := NewQueryBuilder("sum(rate(<<.Series>>{<<.LabelMatchers>>,static_label!=\"static_value\"}[2m])) by (<<.GroupBy>>)")
selector, _ := builder.BuildSelector("my_series", "", []string{}, []queryPart{
queryPart{
labelName: "target_label",
values: []string{"one", "two"},
},
})
expectation := client.Selector("rate(my_series{target_label=~\"one|two\"}[2m])")
require.Equal(t, selector, expectation)
}
func TestQueryWithGroupBy(t *testing.T) {
builder, _ := NewQueryBuilder("sum(rate(<<.Series>>{<<.LabelMatchers>>}[2m])) by (<<.GroupBy>>)")
selector, _ := builder.BuildSelector("my_series", "my_grouping", []string{}, []queryPart{
queryPart{
labelName: "target_label",
values: []string{"one", "two"},
},
})
expectation := client.Selector("sum(rate(my_series{target_label=~\"one|two\"}[2m])) by (my_grouping)")
require.Equal(t, selector, expectation)
}
//TODO: Ensure that the LabelValuesByName and GroupBySlice placeholders function correctly.