package upstreamapi

import "testing"

func TestICCIDFromChannelCacheKey(t *testing.T) {
	tests := []struct{ key, want string }{
		{"sim:chan:iccid:89860000000000000004", "89860000000000000004"},
		{"sim:chan:iccid:8986000000000000007X", "8986000000000000007X"},
		{"sim:chan:iccid:", ""},
		{"unrelated:89860000000000000004", ""},
	}
	for _, tt := range tests {
		if got := iccidFromChannelCacheKey(tt.key); got != tt.want {
			t.Errorf("iccidFromChannelCacheKey(%q) = %q, want %q", tt.key, got, tt.want)
		}
	}
}