mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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388d3248fe
* prevent passing observer descriptors to NewHandle * add some test for metrics * reword some docs
34 lines
1016 B
Go
34 lines
1016 B
Go
// Copyright 2019, OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric
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import (
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"testing"
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)
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func TestGlobalMeter(t *testing.T) {
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m := GlobalMeter()
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if _, ok := m.(noopMeter); !ok {
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t.Errorf("Expected global meter to be a noopMeter instance, got an instance of %T", m)
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}
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SetGlobalMeter(newMockMeter())
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m = GlobalMeter()
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if _, ok := m.(*mockMeter); !ok {
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t.Errorf("Expected global meter to be a *mockMetric.MockMeter instance, got an instance of %T", m)
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}
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}
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