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| 1 | +import assert from "node:assert/strict" |
| 2 | +import test from "node:test" |
| 3 | +import { getActiveSummaryTokenUsage, createPruneMessagesState } from "../lib/state/utils" |
| 4 | +import type { CompressionBlock, SessionState } from "../lib/state/types" |
| 5 | + |
| 6 | +function makeBlock(overrides: Partial<CompressionBlock> & { blockId: number }): CompressionBlock { |
| 7 | + return { |
| 8 | + runId: 1, |
| 9 | + active: true, |
| 10 | + deactivatedByUser: false, |
| 11 | + compressedTokens: 1000, |
| 12 | + summaryTokens: 100, |
| 13 | + durationMs: 0, |
| 14 | + mode: "range", |
| 15 | + topic: "test", |
| 16 | + batchTopic: "", |
| 17 | + startId: "s1", |
| 18 | + endId: "e1", |
| 19 | + anchorMessageId: "anchor-1", |
| 20 | + compressMessageId: "compress-1", |
| 21 | + compressCallId: undefined, |
| 22 | + includedBlockIds: [], |
| 23 | + consumedBlockIds: [], |
| 24 | + parentBlockIds: [], |
| 25 | + directMessageIds: [], |
| 26 | + directToolIds: [], |
| 27 | + effectiveMessageIds: [], |
| 28 | + effectiveToolIds: [], |
| 29 | + createdAt: 0, |
| 30 | + summary: "summary", |
| 31 | + survivedCount: 0, |
| 32 | + generation: "young", |
| 33 | + ...overrides, |
| 34 | + } |
| 35 | +} |
| 36 | + |
| 37 | +function buildSessionState(blocks: CompressionBlock[]): Pick<SessionState, "prune"> { |
| 38 | + const pruneMessages = createPruneMessagesState() |
| 39 | + for (const block of blocks) { |
| 40 | + pruneMessages.blocksById.set(block.blockId, block) |
| 41 | + if (block.active) { |
| 42 | + pruneMessages.activeBlockIds.add(block.blockId) |
| 43 | + } |
| 44 | + } |
| 45 | + return { prune: { tools: new Map(), messages: pruneMessages } } |
| 46 | +} |
| 47 | + |
| 48 | +test("getActiveSummaryTokenUsage: sums all active blocks without visibility filter", () => { |
| 49 | + const state = buildSessionState([ |
| 50 | + makeBlock({ blockId: 1, summaryTokens: 100 }), |
| 51 | + makeBlock({ blockId: 2, summaryTokens: 200 }), |
| 52 | + makeBlock({ blockId: 3, summaryTokens: 300 }), |
| 53 | + ]) |
| 54 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState), 600) |
| 55 | +}) |
| 56 | + |
| 57 | +test("getActiveSummaryTokenUsage: skips inactive blocks", () => { |
| 58 | + const state = buildSessionState([ |
| 59 | + makeBlock({ blockId: 1, summaryTokens: 100, active: true }), |
| 60 | + makeBlock({ blockId: 2, summaryTokens: 200, active: false }), |
| 61 | + ]) |
| 62 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState), 100) |
| 63 | +}) |
| 64 | + |
| 65 | +test("getActiveSummaryTokenUsage: filters by visibleMessageIds", () => { |
| 66 | + const state = buildSessionState([ |
| 67 | + makeBlock({ blockId: 1, summaryTokens: 100, compressMessageId: "msg-A" }), |
| 68 | + makeBlock({ blockId: 2, summaryTokens: 200, compressMessageId: "msg-B" }), |
| 69 | + makeBlock({ blockId: 3, summaryTokens: 300, compressMessageId: "msg-C" }), |
| 70 | + ]) |
| 71 | + const visible = new Set(["msg-A", "msg-C"]) |
| 72 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState, visible), 400) |
| 73 | +}) |
| 74 | + |
| 75 | +test("getActiveSummaryTokenUsage: empty visibleMessageIds returns 0", () => { |
| 76 | + const state = buildSessionState([ |
| 77 | + makeBlock({ blockId: 1, summaryTokens: 100, compressMessageId: "msg-A" }), |
| 78 | + makeBlock({ blockId: 2, summaryTokens: 200, compressMessageId: "msg-B" }), |
| 79 | + ]) |
| 80 | + const visible = new Set<string>() |
| 81 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState, visible), 0) |
| 82 | +}) |
| 83 | + |
| 84 | +test("getActiveSummaryTokenUsage: all blocks visible returns same as unfiltered", () => { |
| 85 | + const state = buildSessionState([ |
| 86 | + makeBlock({ blockId: 1, summaryTokens: 100, compressMessageId: "msg-A" }), |
| 87 | + makeBlock({ blockId: 2, summaryTokens: 200, compressMessageId: "msg-B" }), |
| 88 | + ]) |
| 89 | + const visible = new Set(["msg-A", "msg-B"]) |
| 90 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState, visible), 300) |
| 91 | +}) |
| 92 | + |
| 93 | +test("getActiveSummaryTokenUsage: blocks without compressMessageId counted when filter provided", () => { |
| 94 | + const state = buildSessionState([ |
| 95 | + makeBlock({ blockId: 1, summaryTokens: 100, compressMessageId: undefined }), |
| 96 | + makeBlock({ blockId: 2, summaryTokens: 200, compressMessageId: "msg-B" }), |
| 97 | + ]) |
| 98 | + const visible = new Set(["msg-B"]) |
| 99 | + assert.equal(getActiveSummaryTokenUsage(state as SessionState, visible), 300) |
| 100 | +}) |
| 101 | + |
| 102 | +test("getActiveSummaryTokenUsage: simulates 448-block session with only 26 visible", () => { |
| 103 | + const blocks: CompressionBlock[] = [] |
| 104 | + for (let i = 1; i <= 448; i++) { |
| 105 | + blocks.push( |
| 106 | + makeBlock({ |
| 107 | + blockId: i, |
| 108 | + summaryTokens: 340, |
| 109 | + compressMessageId: `msg-${i}`, |
| 110 | + }), |
| 111 | + ) |
| 112 | + } |
| 113 | + const state = buildSessionState(blocks) |
| 114 | + |
| 115 | + const allVisible = new Set<string>() |
| 116 | + for (let i = 1; i <= 448; i++) allVisible.add(`msg-${i}`) |
| 117 | + const recentVisible = new Set<string>() |
| 118 | + for (let i = 423; i <= 448; i++) recentVisible.add(`msg-${i}`) |
| 119 | + |
| 120 | + const withoutFilter = getActiveSummaryTokenUsage(state as SessionState) |
| 121 | + const withAllVisible = getActiveSummaryTokenUsage(state as SessionState, allVisible) |
| 122 | + const withRecentOnly = getActiveSummaryTokenUsage(state as SessionState, recentVisible) |
| 123 | + |
| 124 | + assert.equal(withoutFilter, 448 * 340) |
| 125 | + assert.equal(withAllVisible, 448 * 340) |
| 126 | + assert.equal(withRecentOnly, 26 * 340) |
| 127 | + assert.ok(withRecentOnly < withoutFilter * 0.1) |
| 128 | +}) |
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