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Add unit test case to improve test coverage for template.go (#7537)

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Signed-off-by: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
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Guangwen Feng 2020-07-09 16:43:32 +08:00 committed by GitHub
parent 0f76024eeb
commit 663016ee0c
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1 changed files with 13 additions and 3 deletions
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16
template/template_test.go
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@ -99,6 +99,16 @@ func TestTemplateExpansion(t *testing.T) {
}}, }},
output: "a", output: "a",
}, },
{
// Get label "__value__" from query.
text: "{{ query \"metric{__value__='a'}\" | first | strvalue }}",
queryResult: promql.Vector{
{
Metric: labels.FromStrings(labels.MetricName, "metric", "__value__", "a"),
Point: promql.Point{T: 0, V: 11},
}},
output: "a",
},
{ {
// Missing label is empty when using label function. // Missing label is empty when using label function.
text: "{{ query \"metric{instance='a'}\" | first | label \"foo\" }}", text: "{{ query \"metric{instance='a'}\" | first | label \"foo\" }}",
@ -134,11 +144,11 @@ func TestTemplateExpansion(t *testing.T) {
text: "{{ range query \"metric\" | sortByLabel \"instance\" }}{{.Labels.instance}}:{{.Value}}: {{end}}", text: "{{ range query \"metric\" | sortByLabel \"instance\" }}{{.Labels.instance}}:{{.Value}}: {{end}}",
queryResult: promql.Vector{ queryResult: promql.Vector{
{ {
Metric: labels.FromStrings(labels.MetricName, "metric", "instance", "a"),
Point: promql.Point{T: 0, V: 11},
}, {
Metric: labels.FromStrings(labels.MetricName, "metric", "instance", "b"), Metric: labels.FromStrings(labels.MetricName, "metric", "instance", "b"),
Point: promql.Point{T: 0, V: 21}, Point: promql.Point{T: 0, V: 21},
}, {
Metric: labels.FromStrings(labels.MetricName, "metric", "instance", "a"),
Point: promql.Point{T: 0, V: 11},
}}, }},
output: "a:11: b:21: ", output: "a:11: b:21: ",
}, },