mirror of https://github.com/grafana/grafana.git
59 lines
2.8 KiB
Go
59 lines
2.8 KiB
Go
package cloudwatch
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models/resources"
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"github.com/grafana/grafana/pkg/tsdb/cloudwatch/services"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"github.com/grafana/grafana/pkg/tsdb/cloudwatch/mocks"
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"github.com/grafana/grafana/pkg/tsdb/cloudwatch/models"
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)
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func Test_DimensionValues_Route(t *testing.T) {
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origNewListMetricsService := services.NewListMetricsService
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t.Cleanup(func() {
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services.NewListMetricsService = origNewListMetricsService
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})
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var mockListMetricsService mocks.ListMetricsServiceMock
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services.NewListMetricsService = func(models.MetricsClientProvider) models.ListMetricsProvider {
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return &mockListMetricsService
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}
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t.Run("Calls GetDimensionValuesByDimensionFilter when a valid request is passed", func(t *testing.T) {
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mockListMetricsService = mocks.ListMetricsServiceMock{}
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mockListMetricsService.On("GetDimensionValuesByDimensionFilter", mock.MatchedBy(func(r resources.DimensionValuesRequest) bool {
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return r.ResourceRequest != nil && *r.ResourceRequest == resources.ResourceRequest{Region: "us-east-2"} &&
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r.Namespace == "AWS/EC2" &&
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r.MetricName == "CPUUtilization" &&
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r.DimensionKey == "instanceId" &&
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len(r.DimensionFilter) == 2 &&
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assert.Contains(t, r.DimensionFilter, &resources.Dimension{Name: "NodeID", Value: "Shared"}) &&
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assert.Contains(t, r.DimensionFilter, &resources.Dimension{Name: "stage", Value: "QueryCommit"})
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})).Return([]resources.ResourceResponse[string]{}, nil).Once()
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rr := httptest.NewRecorder()
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req := httptest.NewRequest("GET", `/dimension-values?region=us-east-2&dimensionKey=instanceId&namespace=AWS/EC2&metricName=CPUUtilization&dimensionFilters={"NodeID":["Shared"],"stage":["QueryCommit"]}`, nil)
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ds := newTestDatasource()
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handler := http.HandlerFunc(ds.resourceRequestMiddleware(ds.DimensionValuesHandler))
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handler.ServeHTTP(rr, req)
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})
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t.Run("returns 500 if GetDimensionValuesByDimensionFilter returns an error", func(t *testing.T) {
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mockListMetricsService = mocks.ListMetricsServiceMock{}
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mockListMetricsService.On("GetDimensionValuesByDimensionFilter", mock.Anything).Return([]resources.ResourceResponse[string]{}, fmt.Errorf("some error"))
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rr := httptest.NewRecorder()
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req := httptest.NewRequest("GET", `/dimension-values?region=us-east-2&dimensionKey=instanceId&namespace=AWS/EC2&metricName=CPUUtilization&dimensionFilters={"NodeID":["Shared"],"stage":["QueryCommit"]}`, nil)
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ds := newTestDatasource()
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handler := http.HandlerFunc(ds.resourceRequestMiddleware(ds.DimensionValuesHandler))
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handler.ServeHTTP(rr, req)
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assert.Equal(t, http.StatusInternalServerError, rr.Code)
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assert.Equal(t, `{"Message":"error in DimensionValuesHandler: some error","Error":"some error","StatusCode":500}`, rr.Body.String())
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})
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}
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