Method TestDetermineTargetCSM

stats/opentelemetry/csm/pluginoption_test.go:265–303

TestDetermineTargetCSM tests the helper function that determines whether a target is relevant to CSM or not, based off the rules outlined in design.

(t *testing.T)

// TestDetermineTargetCSM tests the helper function that determines whether a
// target is relevant to CSM or not, based off the rules outlined in design.
func (s) TestDetermineTargetCSM(t *testing.T) {
	tests := []struct {
		name      string
		target    string
		targetCSM bool
	}{
		{
			name:      "dns:///localhost",
			target:    "normal-target-here",
			targetCSM: false,
		},
		{
			name:      "xds-no-authority",
			target:    "xds:///localhost",
			targetCSM: true,
		},
		{
			name:      "xds-traffic-director-authority",
			target:    "xds://traffic-director-global.xds.googleapis.com/localhost",
			targetCSM: true,
		},
		{
			name:      "xds-not-traffic-director-authority",
			target:    "xds://not-traffic-director-authority/localhost",
			targetCSM: false,
		},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			parsedTarget, err := url.Parse(test.target)
			if err != nil {
				t.Fatalf("test target %v failed to parse: %v", test.target, err)
			}
			if got := determineTargetCSM(parsedTarget); got != test.targetCSM {
				t.Fatalf("cpo.determineTargetCSM(%v): got %v, want %v", test.target, got, test.targetCSM)
			}
		})
	}
}

// TestSetLabels tests the setting of labels, which snapshots the resource and
// environment. It mocks the resource and environment, and then calls into