"""Unit tests for the Claude Code session provider."""
import json
import pytest
from src.blocks import (
BLOCK_TYPE_COLLAPSED,
BLOCK_TYPE_TEXT,
BLOCK_TYPE_THINKING,
BLOCK_TYPE_TOOL_RESULT,
BLOCK_TYPE_TOOL_USE,
render_blocks_to_markdown,
)
from src.loss_report import LossReport
from src.providers.claude_code import ClaudeCodeProvider
def _write_session(tmp_path, records, project_dir="-home-jesse-myproj", name="abc-123"):
proj = tmp_path / project_dir
proj.mkdir(parents=True, exist_ok=True)
f = proj / f"{name}.jsonl"
f.write_text("\n".join(json.dumps(r) for r in records), encoding="utf-8")
return f
def _records():
"""A representative session: title, harness noise, dialogue, tool traffic."""
return [
{"type": "ai-title", "aiTitle": "First title", "sessionId": "abc-123"},
{
"type": "user",
"cwd": "/home/jesse/myproj",
"timestamp": "2026-05-01T10:00:00.000Z",
"message": {
"role": "user",
"content": (
"Caveat: ignore"
"/model"
"Set model"
"Please review my project."
),
},
},
{
"type": "assistant",
"timestamp": "2026-05-01T10:00:05.000Z",
"message": {
"role": "assistant",
"content": [
{"type": "thinking", "thinking": "Let me think about this."},
{"type": "text", "text": "I'll review it now."},
{"type": "tool_use", "id": "t1", "name": "Read", "input": {"file_path": "/x"}},
{"type": "tool_use", "id": "t2", "name": "Read", "input": {"file_path": "/y"}},
{"type": "tool_use", "id": "t3", "name": "Bash", "input": {"command": "ls"}},
],
},
},
{
"type": "user",
"timestamp": "2026-05-01T10:00:08.000Z",
"message": {
"role": "user",
"content": [
{"type": "tool_result", "tool_use_id": "t1", "content": "file contents " * 50},
],
},
},
{
"type": "assistant",
"timestamp": "2026-05-01T10:00:20.000Z",
"message": {
"role": "assistant",
"content": [{"type": "text", "text": "Here is my review: all good."}],
},
},
# Harness records — skipped
{"type": "file-history-snapshot", "snapshot": {"big": "blob"}},
{"type": "permission-mode", "mode": "plan"},
# Subagent and meta records — skipped
{
"type": "assistant",
"isSidechain": True,
"message": {"role": "assistant", "content": [{"type": "text", "text": "subagent noise"}]},
},
{
"type": "user",
"isMeta": True,
"message": {"role": "user", "content": "meta noise"},
},
# Later title wins
{"type": "ai-title", "aiTitle": "Review my project", "sessionId": "abc-123"},
]
class TestClaudeCodeProvider:
def _provider(self, tmp_path, policy="placeholder"):
return ClaudeCodeProvider(projects_dir=tmp_path, hidden_content=policy)
def test_listing_metadata(self, tmp_path):
_write_session(tmp_path, _records())
p = self._provider(tmp_path)
convs = p.fetch_all_conversations()
assert len(convs) == 1
c = convs[0]
assert c["id"] == "abc-123"
assert c["title"] == "Review my project" # last ai-title wins
assert c["_project_name"] == "myproj" # from cwd basename
assert c["created_at"] == "2026-05-01T10:00:00.000Z"
assert c["updated_at"] # file mtime
def test_empty_files_skipped(self, tmp_path):
proj = tmp_path / "-home-x"
proj.mkdir()
(proj / "empty.jsonl").write_text("")
p = self._provider(tmp_path)
assert p.fetch_all_conversations() == []
def test_normalize_prose_only_default(self, tmp_path):
_write_session(tmp_path, _records())
p = self._provider(tmp_path)
p.fetch_all_conversations()
raw = p.get_conversation("abc-123")
result = p.normalize_conversation(raw)
assert result["provider"] == "claude-code"
assert result["title"] == "Review my project"
assert result["project"] == "myproj"
roles = [m["role"] for m in result["messages"]]
assert roles == ["user", "assistant", "assistant"]
# Harness tags stripped, dialogue kept
user_text = result["messages"][0]["blocks"][0]["text"]
assert user_text == "Please review my project."
assert "Caveat" not in user_text
# Tool activity collapsed into one grouped placeholder on the
# assistant message that ran the tools (includes the tool_result
# bytes from the following user record).
first_assistant = result["messages"][1]
types = [b["type"] for b in first_assistant["blocks"]]
assert types == [BLOCK_TYPE_TEXT, BLOCK_TYPE_COLLAPSED]
collapsed = first_assistant["blocks"][1]
assert "3 calls" in collapsed["origin"]
assert "Read ×2" in collapsed["origin"]
assert "Bash ×1" in collapsed["origin"]
assert collapsed["size_bytes"] > 500
# Thinking dropped without placeholder; sidechain/meta absent
all_blocks = [b for m in result["messages"] for b in m["blocks"]]
assert not any(b["type"] == BLOCK_TYPE_THINKING for b in all_blocks)
assert not any(
"subagent noise" in (b.get("text") or "") or "meta noise" in (b.get("text") or "")
for b in all_blocks
)
def test_collapsed_counted_in_loss_report(self, tmp_path):
_write_session(tmp_path, _records())
p = self._provider(tmp_path)
p.fetch_all_conversations()
report = LossReport()
p.normalize_conversation(p.get_conversation("abc-123"), report)
assert report.collapsed["Read"] == 2
assert report.collapsed["Bash"] == 1
assert report.collapsed["tool_result"] == 1
assert report.collapsed["thinking"] == 1
assert report.collapsed_bytes > 500
def test_full_policy_keeps_everything(self, tmp_path):
_write_session(tmp_path, _records())
p = self._provider(tmp_path, policy="full")
p.fetch_all_conversations()
result = p.normalize_conversation(p.get_conversation("abc-123"))
all_blocks = [b for m in result["messages"] for b in m["blocks"]]
types = {b["type"] for b in all_blocks}
assert BLOCK_TYPE_THINKING in types
assert BLOCK_TYPE_TOOL_USE in types
assert BLOCK_TYPE_TOOL_RESULT in types
assert BLOCK_TYPE_COLLAPSED not in types
def test_updated_at_consistent_with_listing(self, tmp_path):
"""Listing and normalized updated_at must match or the cache would
consider every session stale on every run (mtime vs last timestamp)."""
_write_session(tmp_path, _records())
p = self._provider(tmp_path)
listing = p.fetch_all_conversations()[0]
normalized = p.normalize_conversation(p.get_conversation("abc-123"))
assert normalized["updated_at"] == listing["updated_at"]
def test_title_falls_back_to_first_prompt(self, tmp_path):
records = [r for r in _records() if r.get("type") != "ai-title"]
_write_session(tmp_path, records)
p = self._provider(tmp_path)
p.fetch_all_conversations()
result = p.normalize_conversation(p.get_conversation("abc-123"))
assert result["title"] == "Please review my project."
def test_unknown_block_type_surfaces(self, tmp_path):
records = [
{
"type": "assistant",
"timestamp": "2026-05-01T10:00:00.000Z",
"cwd": "/home/jesse/myproj",
"message": {
"role": "assistant",
"content": [
{"type": "text", "text": "hello"},
{"type": "future_block_xyz", "data": 1},
],
},
},
]
_write_session(tmp_path, records)
p = self._provider(tmp_path)
p.fetch_all_conversations()
report = LossReport()
result = p.normalize_conversation(p.get_conversation("abc-123"), report)
assert report.unknown_blocks["claude-code.future_block_xyz"] == 1
rendered = render_blocks_to_markdown(result["messages"][0]["blocks"])
assert "Unsupported content" in rendered
def test_collapsed_placeholder_renders_grouped_line(self, tmp_path):
_write_session(tmp_path, _records())
p = self._provider(tmp_path)
p.fetch_all_conversations()
result = p.normalize_conversation(p.get_conversation("abc-123"))
rendered = render_blocks_to_markdown(result["messages"][1]["blocks"])
assert "> 🔧 **Tool output** — `3 calls: Read ×2, Bash ×1`" in rendered
assert "omitted (EXPORTER_HIDDEN_CONTENT=full to keep)" in rendered
# ---------------------------------------------------------------------------
# Subagent folding (Part B)
# ---------------------------------------------------------------------------
def _write_subagent(
session_file, tool_use_id, records, agent_type="Explore",
description="do a thing", name="agent-x",
):
"""Write a /subagents/.jsonl + .meta.json sidecar."""
subdir = session_file.parent / session_file.stem / "subagents"
subdir.mkdir(parents=True, exist_ok=True)
(subdir / f"{name}.jsonl").write_text(
"\n".join(json.dumps(r) for r in records), encoding="utf-8"
)
(subdir / f"{name}.meta.json").write_text(
json.dumps({
"agentType": agent_type,
"description": description,
"toolUseId": tool_use_id,
}),
encoding="utf-8",
)
def _parent_with_task(tool_use_id="toolu_sub1"):
return [
{"type": "ai-title", "aiTitle": "Parent session"},
{
"type": "user", "cwd": "/home/jesse/myproj",
"timestamp": "2026-05-01T10:00:00.000Z",
"message": {"role": "user", "content": "delegate the research"},
},
{
"type": "assistant", "timestamp": "2026-05-01T10:00:05.000Z",
"message": {"role": "assistant", "content": [
{"type": "text", "text": "I'll delegate this."},
{"type": "tool_use", "id": tool_use_id, "name": "Task",
"input": {"description": "research"}},
]},
},
]
def _subagent_records():
return [
{
"type": "user", "isSidechain": True,
"timestamp": "2026-05-01T10:00:06.000Z",
"message": {"role": "user", "content": "Go research X"},
},
{
"type": "assistant", "isSidechain": True,
"timestamp": "2026-05-01T10:00:07.000Z",
"message": {"role": "assistant", "content": [
{"type": "text", "text": "Here is the research result."},
{"type": "tool_use", "id": "st1", "name": "Grep",
"input": {"pattern": "x"}},
]},
},
]
class TestSubagentFold:
def _provider(self, tmp_path, policy="placeholder"):
return ClaudeCodeProvider(projects_dir=tmp_path, hidden_content=policy)
def _normalize(self, tmp_path, policy="placeholder"):
f = _write_session(tmp_path, _parent_with_task(), name="parent-1")
_write_subagent(
f, "toolu_sub1", _subagent_records(),
agent_type="Explore", description="research X",
)
p = self._provider(tmp_path, policy)
p.fetch_all_conversations()
return p.normalize_conversation(p.get_conversation("parent-1"))
def test_subagent_folded_into_parent(self, tmp_path):
conv = self._normalize(tmp_path)
blocks = [b for m in conv["messages"] for b in m["blocks"]]
subs = [b for b in blocks if b["type"] == "subagent"]
assert len(subs) == 1
assert subs[0]["agent_type"] == "Explore"
assert subs[0]["description"] == "research X"
inner_text = [
bb.get("text") for m in subs[0]["messages"] for bb in m["blocks"]
]
assert "Go research X" in inner_text
assert "Here is the research result." in inner_text
def test_subagent_tools_collapsed(self, tmp_path):
conv = self._normalize(tmp_path)
sub = next(
b for m in conv["messages"] for b in m["blocks"]
if b["type"] == "subagent"
)
inner_blocks = [bb for m in sub["messages"] for bb in m["blocks"]]
assert any(b["type"] == BLOCK_TYPE_COLLAPSED for b in inner_blocks)
assert not any(b["type"] == BLOCK_TYPE_TOOL_USE for b in inner_blocks)
collapsed = next(b for b in inner_blocks if b["type"] == BLOCK_TYPE_COLLAPSED)
assert "Grep" in collapsed["origin"]
def test_subagent_not_listed_as_conversation(self, tmp_path):
f = _write_session(tmp_path, _parent_with_task(), name="parent-1")
_write_subagent(f, "toolu_sub1", _subagent_records())
p = self._provider(tmp_path)
convs = p.fetch_all_conversations()
assert [c["id"] for c in convs] == ["parent-1"]
def test_renders_as_details_block(self, tmp_path):
conv = self._normalize(tmp_path)
spawning = conv["messages"][1] # the assistant turn with the Task call
rendered = render_blocks_to_markdown(spawning["blocks"])
assert "" in rendered
assert "🤖 Subagent: Explore — research X
" in rendered
assert " " in rendered
assert "Here is the research result." in rendered
def test_main_pass_still_skips_stray_sidechain(self, tmp_path):
# A sidechain record with no matching subagent file must NOT leak into
# the top-level dialogue.
records = _parent_with_task() + [
{"type": "assistant", "isSidechain": True,
"message": {"role": "assistant",
"content": [{"type": "text", "text": "stray sidechain"}]}},
]
f = _write_session(tmp_path, records, name="parent-2")
_write_subagent(f, "toolu_sub1", _subagent_records())
p = self._provider(tmp_path)
p.fetch_all_conversations()
conv = p.normalize_conversation(p.get_conversation("parent-2"))
top_text = [
b.get("text") for m in conv["messages"] for b in m["blocks"]
]
assert "stray sidechain" not in top_text
# ---------------------------------------------------------------------------
# Repo tags in title (Part C)
# ---------------------------------------------------------------------------
class TestRepoTags:
@staticmethod
def _mkrepo(base, name):
"""Create a git repo dir (bare .git marker) and return its path."""
(base / name / ".git").mkdir(parents=True, exist_ok=True)
return base / name
def _title(self, tmp_path, content):
(tmp_path / "ws").mkdir(exist_ok=True)
records = [
{"type": "ai-title", "aiTitle": "Work session"},
{"type": "user", "cwd": str(tmp_path / "ws"),
"timestamp": "2026-05-01T10:00:00.000Z",
"message": {"role": "user", "content": "go"}},
{"type": "assistant",
"message": {"role": "assistant", "content": content}},
]
_write_session(tmp_path, records, name="ws-1")
p = ClaudeCodeProvider(projects_dir=tmp_path)
p.fetch_all_conversations()
return p.normalize_conversation(p.get_conversation("ws-1"))["title"]
@staticmethod
def _read(path):
return {"type": "tool_use", "id": str(path), "name": "Read",
"input": {"file_path": str(path)}}
def test_repos_by_git_root_ordered_by_frequency(self, tmp_path):
a = self._mkrepo(tmp_path, "repo-a")
b = self._mkrepo(tmp_path, "repo-b")
content = [
self._read(a / "src/x.py"), self._read(a / "src/y.py"),
self._read(b / "z.py"),
# a file not inside any git repo → excluded
self._read(tmp_path / "CLAUDE.md"),
]
assert self._title(tmp_path, content) == "Work session [repo-a, repo-b]"
def test_cross_workspace_repo_tagged(self, tmp_path):
# Launched in ws/, but touched a repo in a sibling tree — still tagged.
other = self._mkrepo(tmp_path / "elsewhere", "faraway-repo")
content = [self._read(other / "deep/nested/file.py")]
assert self._title(tmp_path, content) == "Work session [faraway-repo]"
def test_no_repos_no_bracket(self, tmp_path):
content = [self._read(tmp_path / "loose/file.txt")] # no .git anywhere
assert self._title(tmp_path, content) == "Work session"
def test_cap_three_with_ellipsis(self, tmp_path):
content = [
self._read(self._mkrepo(tmp_path, f"repo-{c}") / "f/x.py")
for c in "abcd"
]
title = self._title(tmp_path, content)
assert title.startswith("Work session [repo-a, repo-b, repo-c, …]")
assert "repo-d" not in title
def test_paths_inside_bash_commands_count(self, tmp_path):
x = self._mkrepo(tmp_path, "repo-x")
content = [
{"type": "tool_use", "id": "a", "name": "Bash",
"input": {"command": f"cat {x / 'main.go'}"}},
]
assert self._title(tmp_path, content) == "Work session [repo-x]"
def test_ignore_list_via_env(self, tmp_path, monkeypatch):
a = self._mkrepo(tmp_path, "repo-a")
b = self._mkrepo(tmp_path, "repo-b")
monkeypatch.setenv("CLAUDE_CODE_REPO_TAG_IGNORE", "repo-b, notes")
content = [self._read(a / "x.py"), self._read(b / "y.py")]
assert self._title(tmp_path, content) == "Work session [repo-a]"
# ---------------------------------------------------------------------------
# Multiple projects roots (Part D)
# ---------------------------------------------------------------------------
class TestMultiRoot:
def _titled(self, aititle, cwd="/home/jesse/p"):
return [
{"type": "ai-title", "aiTitle": aititle},
{"type": "user", "cwd": cwd, "timestamp": "2026-05-01T10:00:00.000Z",
"message": {"role": "user", "content": "hi"}},
]
def test_two_roots_merged(self, tmp_path):
r1, r2 = tmp_path / "root1", tmp_path / "root2"
_write_session(r1, self._titled("From root1"), name="s1")
_write_session(r2, self._titled("From root2"), name="s2")
p = ClaudeCodeProvider(projects_dir=[r1, r2])
ids = sorted(c["id"] for c in p.fetch_all_conversations())
assert ids == ["s1", "s2"]
def test_duplicate_uuid_newer_wins(self, tmp_path):
import os
import time
r1, r2 = tmp_path / "root1", tmp_path / "root2"
_write_session(r1, self._titled("Old copy"), name="dup")
f2 = _write_session(r2, self._titled("New copy"), name="dup")
os.utime(f2, (time.time() + 10, time.time() + 10))
p = ClaudeCodeProvider(projects_dir=[r1, r2])
convs = p.fetch_all_conversations()
assert len(convs) == 1
assert convs[0]["title"] == "New copy"
assert p._path_map["dup"] == f2
def test_single_path_backward_compatible(self, tmp_path):
_write_session(tmp_path, _records())
p = ClaudeCodeProvider(projects_dir=tmp_path)
assert len(p.fetch_all_conversations()) == 1
def test_env_pathsep_list(self, tmp_path, monkeypatch):
import os
from src.providers.claude_code import resolve_roots
r1, r2 = tmp_path / "root1", tmp_path / "root2"
_write_session(r1, self._titled("From root1"), name="s1")
_write_session(r2, self._titled("From root2"), name="s2")
monkeypatch.setenv("CLAUDE_CODE_DIR", f"{r1}{os.pathsep}{r2}")
assert r1 in resolve_roots() and r2 in resolve_roots()
p = ClaudeCodeProvider()
assert len(p.fetch_all_conversations()) == 2
def test_config_dir_projects_included(self, tmp_path, monkeypatch):
from src.providers.claude_code import resolve_roots
monkeypatch.delenv("CLAUDE_CODE_DIR", raising=False)
monkeypatch.setenv("CLAUDE_CONFIG_DIR", str(tmp_path / "cfg"))
roots = resolve_roots()
assert (tmp_path / "cfg" / "projects") in roots