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// Code created by gotmpl. DO NOT MODIFY.
// source: internal/shared/internaltest/text_map_propagator_test.go.tmpl
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package internaltest
import (
"context"
"testing"
)
func TestTextMapPropagatorInjectExtract(t *testing.T) {
name := "testing"
ctx := context.Background()
carrier := NewTextMapCarrier(map[string]string{name: value})
propagator := NewTextMapPropagator(name)
propagator.Inject(ctx, carrier)
// Carrier value overridden with state.
if carrier.SetKeyValue(t, name, "1,0") {
// Ensure nothing has been extracted yet.
propagator.ExtractedN(t, ctx, 0)
// Test the injection was counted.
propagator.InjectedN(t, carrier, 1)
}
ctx = propagator.Extract(ctx, carrier)
v := ctx.Value(ctxKeyType(name))
if v == nil {
t.Error("TextMapPropagator.Extract failed to extract state")
}
if s, ok := v.(state); !ok {
t.Error("TextMapPropagator.Extract did not extract proper state")
} else if s.Extractions != 1 {
t.Error("TextMapPropagator.Extract did not increment state.Extractions")
}
if carrier.GotKey(t, name) {
// Test the extraction was counted.
propagator.ExtractedN(t, ctx, 1)
// Ensure no additional injection was recorded.
propagator.InjectedN(t, carrier, 1)
}
}
func TestTextMapPropagatorFields(t *testing.T) {
name := "testing"
propagator := NewTextMapPropagator(name)
if got := propagator.Fields(); len(got) != 1 {
t.Errorf("TextMapPropagator.Fields returned %d fields, want 1", len(got))
} else if got[0] != name {
t.Errorf("TextMapPropagator.Fields returned %q, want %q", got[0], name)
}
}
func TestNewStateEmpty(t *testing.T) {
if want, got := (state{}), newState(""); got != want {
t.Errorf("newState(\"\") returned %v, want %v", got, want)
}
}
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