| 1 | package provider |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "testing" |
| 7 | ) |
| 8 | |
| 9 | type replayProjectionProvider struct { |
| 10 | allowEmpty bool |
| 11 | } |
| 12 | |
| 13 | func (replayProjectionProvider) Name() string { return "replay-projection-test" } |
| 14 | |
| 15 | func (replayProjectionProvider) Stream(context.Context, Request) (<-chan Chunk, error) { |
| 16 | panic("unexpected Stream call") |
| 17 | } |
| 18 | |
| 19 | func (replayProjectionProvider) RequiresAssistantReasoningReplay(m Message) bool { |
| 20 | return len(m.ToolCalls) > 0 || len(m.ServerSearch) > 0 |
| 21 | } |
| 22 | |
| 23 | func (p replayProjectionProvider) AllowsEmptyReasoningFallback() bool { return p.allowEmpty } |
| 24 | |
| 25 | func TestProjectReplaySafeMessagesClearsProviderActivityMetadata(t *testing.T) { |
| 26 | p := replayProjectionProvider{} |
| 27 | msgs := []Message{ |
| 28 | {Role: RoleUser, Content: "inspect"}, |
| 29 | { |
| 30 | Role: RoleAssistant, |
| 31 | Content: "visible answer", |
| 32 | ReasoningSignature: "signature", |
| 33 | ReasoningID: "reasoning-id", |
| 34 | ReasoningStatus: "completed", |
| 35 | ToolCalls: []ToolCall{{ID: "call-1", Name: "read_file"}}, |
| 36 | ResponsesItems: []json.RawMessage{json.RawMessage(`{"type":"reasoning"}`)}, |
| 37 | ServerSearch: []ServerSearchCall{{ID: "search-1", Query: "query"}}, |
| 38 | }, |
| 39 | {Role: RoleTool, ToolCallID: "call-1", Name: "read_file", Content: "result"}, |
| 40 | {Role: RoleUser, Content: "continue"}, |
| 41 | } |
| 42 | |
| 43 | got, changed := ProjectReplaySafeMessages(p, msgs) |
| 44 | if !changed { |
| 45 | t.Fatal("malformed replay history was not projected") |
| 46 | } |
| 47 | if len(got) != 3 || got[1].Role != RoleAssistant || got[1].Content != "visible answer" { |
| 48 | t.Fatalf("projection = %#v, want user/plain assistant/user", got) |
| 49 | } |
| 50 | plain := got[1] |
| 51 | if plain.ReasoningContent != "" || plain.ReasoningSignature != "" || plain.ReasoningID != "" || plain.ReasoningStatus != "" || |
| 52 | len(plain.ToolCalls) != 0 || len(plain.ResponsesItems) != 0 || len(plain.ServerSearch) != 0 { |
| 53 | t.Fatalf("provider activity metadata survived projection: %#v", plain) |
| 54 | } |
| 55 | if len(msgs[1].ToolCalls) != 1 || len(msgs[1].ResponsesItems) != 1 || len(msgs[1].ServerSearch) != 1 { |
| 56 | t.Fatal("projection mutated canonical history") |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | func TestProjectReplaySafeMessagesKeepsStableBacking(t *testing.T) { |
| 61 | healthy := []Message{{ |
| 62 | Role: RoleAssistant, ReasoningContent: "reasoning", |
| 63 | ToolCalls: []ToolCall{{ID: "call-1", Name: "read_file"}}, |
| 64 | }} |
| 65 | if got, changed := ProjectReplaySafeMessages(replayProjectionProvider{}, healthy); changed || &got[0] != &healthy[0] { |
| 66 | t.Fatal("healthy history must retain its backing slice") |
| 67 | } |
| 68 | |
| 69 | emptyFallback := []Message{{ |
| 70 | Role: RoleAssistant, |
| 71 | ToolCalls: []ToolCall{{ID: "call-1", Name: "read_file"}}, |
| 72 | }} |
| 73 | if got, changed := ProjectReplaySafeMessages(replayProjectionProvider{allowEmpty: true}, emptyFallback); changed || &got[0] != &emptyFallback[0] { |
| 74 | t.Fatal("empty-reasoning fallback history must retain its backing slice") |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | func TestProjectReasoningStrippedMessagesBypassesEmptyFallbackAfter400(t *testing.T) { |
| 79 | p := replayProjectionProvider{allowEmpty: true} |
| 80 | msgs := []Message{ |
| 81 | {Role: RoleUser, Content: "inspect"}, |
| 82 | { |
| 83 | Role: RoleAssistant, |
| 84 | Content: "visible answer", |
| 85 | ReasoningContent: "stale reasoning", |
| 86 | ToolCalls: []ToolCall{{ID: "call-1", Name: "read_file"}}, |
| 87 | ReasoningSignature: "stale signature", |
| 88 | }, |
| 89 | {Role: RoleTool, ToolCallID: "call-1", Name: "read_file", Content: "result"}, |
| 90 | {Role: RoleUser, Content: "continue"}, |
| 91 | } |
| 92 | |
| 93 | got, changed := ProjectReasoningStrippedMessages(p, msgs) |
| 94 | if !changed { |
| 95 | t.Fatal("stale reasoning history was not changed") |
| 96 | } |
| 97 | if len(got) != 3 || got[1].Role != RoleAssistant || got[1].Content != "visible answer" { |
| 98 | t.Fatalf("projection = %#v, want user/plain assistant/user", got) |
| 99 | } |
| 100 | if got[1].ReasoningContent != "" || got[1].ReasoningSignature != "" || len(got[1].ToolCalls) != 0 { |
| 101 | t.Fatalf("stale assistant metadata survived projection: %#v", got[1]) |
| 102 | } |
| 103 | if msgs[1].ReasoningContent != "stale reasoning" || len(msgs[1].ToolCalls) != 1 || len(msgs[2].Content) == 0 { |
| 104 | t.Fatal("strong projection mutated canonical history") |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | func TestProjectReasoningStrippedMessagesPrefixKeepsAppendedToolRound(t *testing.T) { |
| 109 | p := replayProjectionProvider{} |
| 110 | msgs := []Message{ |
| 111 | {Role: RoleUser, Content: "inspect"}, |
| 112 | { |
| 113 | Role: RoleAssistant, |
| 114 | Content: "old answer", |
| 115 | ReasoningContent: "stale reasoning", |
| 116 | }, |
| 117 | {Role: RoleUser, Content: "continue"}, |
| 118 | { |
| 119 | Role: RoleAssistant, |
| 120 | ReasoningContent: "fresh reasoning", |
| 121 | ToolCalls: []ToolCall{{ID: "fresh", Name: "read_file"}}, |
| 122 | }, |
| 123 | {Role: RoleTool, ToolCallID: "fresh", Name: "read_file", Content: "fresh result"}, |
| 124 | } |
| 125 | |
| 126 | got, changed := ProjectReasoningStrippedMessagesPrefix(p, msgs, 3) |
| 127 | if !changed { |
| 128 | t.Fatal("stale prefix was not projected") |
| 129 | } |
| 130 | if len(got) != len(msgs) { |
| 131 | t.Fatalf("projection length = %d, want %d", len(got), len(msgs)) |
| 132 | } |
| 133 | if got[1].ReasoningContent != "" { |
| 134 | t.Fatalf("stale prefix reasoning survived: %#v", got[1]) |
| 135 | } |
| 136 | if got[3].ReasoningContent != "fresh reasoning" || len(got[3].ToolCalls) != 1 || got[4].Role != RoleTool { |
| 137 | t.Fatalf("appended tool round changed: %#v", got) |
| 138 | } |
| 139 | } |
| 140 |