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package flamegraph
import "testing"
func TestFixtureSnapshotsHaveApproximateFrameCounts(t *testing.T) {
fixtures := []struct {
name string
depth int
breadth int
expect int
}{
{name: "small", depth: fixtureSmallDepth, breadth: fixtureSmallBreadth, expect: 121},
{name: "medium", depth: fixtureMediumDepth, breadth: fixtureMediumBreadth, expect: 2500},
{name: "large", depth: fixtureLargeDepth, breadth: fixtureLargeBreadth, expect: 12000},
{name: "deep", depth: fixtureDeepDepth, breadth: fixtureDeepBreadth, expect: 100},
{name: "wide", depth: fixtureWideDepth, breadth: fixtureWideBreadth, expect: 5000},
}
for _, fixture := range fixtures {
t.Run(fixture.name, func(t *testing.T) {
snap := generateTestSnapshot(fixture.depth, fixture.breadth)
got := snapshotNodeCount(snap)
if !approxEqualCount(got, fixture.expect) {
t.Fatalf("%s fixture nodes=%d, expected approximately %d", fixture.name, got, fixture.expect)
}
})
}
}
func TestGenerateTestTrieProducesSnapshotData(t *testing.T) {
lt := generateTestTrie(fixtureSmallDepth, fixtureSmallBreadth)
snap, err := decodeTrieSnapshot(lt)
if err != nil {
t.Fatalf("decode trie snapshot: %v", err)
}
if snap.Total == 0 {
t.Fatalf("expected generated trie snapshot to contain data")
}
}
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