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-- subagents/profiles.lua: two-layer recursive discovery over real directories.
--
-- Discovery is exercised against temporary directories rather than the machine's
-- real config, by passing explicit roots to `discover` — the same seam the
-- extension uses for the user and project layers, in the same order.
--
-- Needs luv (the recursive walk) and lyaml (the frontmatter); without either the
-- whole file skips rather than asserting on a degraded parse.
local profiles = require("subagents.profiles")
local function write(path, text)
assert(os.execute("mkdir -p " .. (path:match("^(.*)/[^/]+$") or ".")))
local file = assert(io.open(path, "w"))
file:write(text)
file:close()
end
-- Build both layers once; every case reads the same discovery result.
local function discover_fixture()
local ok_uv, uv = pcall(require, "luv")
if not ok_uv then
return nil, "luv is not installed"
end
if not pcall(require, "lyaml") then
return nil, "lyaml is not installed"
end
local tmp = assert(uv.fs_mkdtemp("/tmp/panto-subagents-profiles-XXXXXX"))
local user = tmp .. "/user/agents"
local project = tmp .. "/project/agents"
write(user .. "/reviewer.md", table.concat({
"---",
"description: Reviews changes",
"model: anthropic:sonnet",
"reasoning: high",
"---",
"You are a reviewer.",
"",
}, "\n"))
write(user .. "/nested/deeper/planner.md", "You plan.\n")
write(user .. "/shared.md", "---\nname: shared\ndescription: from the user layer\n---\nuser body\n")
write(user .. "/renamed.md", "---\nname: from-frontmatter\n---\nbody\n")
write(project .. "/shared.md", "---\nname: shared\ndescription: from the project layer\n---\nproject body\n")
write(project .. "/foreign.md", "---\ndescription: written for another harness\nmodel: claude-sonnet-4\n---\nbody\n")
local found = profiles.discover({ user, project })
os.execute("rm -rf " .. tmp)
return found
end
local fixture, skip_reason = discover_fixture()
local function fixture_or_skip()
if not fixture then
return nil, skip_reason
end
return fixture
end
return {
{ "frontmatter fields land on the profile", function()
local found, reason = fixture_or_skip()
if not found then
return "skip", reason
end
local reviewer = found.by_name.reviewer
assert(reviewer, "reviewer was not discovered")
assert(reviewer.name == "reviewer", "name should default to the file stem")
assert(reviewer.description == "Reviews changes", tostring(reviewer.description))
assert(reviewer.model == "anthropic:sonnet", tostring(reviewer.model))
assert(reviewer.reasoning == "high", tostring(reviewer.reasoning))
assert(reviewer.body:find("You are a reviewer.", 1, true), "body was lost")
end },
{ "discovery recurses and defaults the name to the stem", function()
local found, reason = fixture_or_skip()
if not found then
return "skip", reason
end
local planner = found.by_name.planner
assert(planner, "a nested profile was not discovered")
assert(planner.description == "", "a bodyless header means an empty description")
assert(planner.body == "You plan.\n", string.format("%q", planner.body))
assert(found.by_name["from-frontmatter"], "`name` should override the stem")
assert(found.by_name.renamed == nil, "the stem must not survive an explicit name")
end },
{ "the project layer shadows the user layer by name", function()
local found, reason = fixture_or_skip()
if not found then
return "skip", reason
end
local shared = found.by_name.shared
assert(shared, "shared was not discovered")
assert(shared.description == "from the project layer", tostring(shared.description))
assert(shared.body == "project body\n", string.format("%q", shared.body))
local count = 0
for _, profile in ipairs(found.list) do
if profile.name == "shared" then
count = count + 1
end
end
assert(count == 1, "a shadowed profile must appear once, saw " .. count)
end },
{ "a foreign model spelling warns and inherits instead", function()
local found, reason = fixture_or_skip()
if not found then
return "skip", reason
end
local foreign = found.by_name.foreign
assert(foreign, "foreign was not discovered")
assert(foreign.model == nil, "an unparseable model must be dropped")
assert(foreign.description == "written for another harness", "the rest of the header must survive")
local warned = false
for _, warning in ipairs(found.warnings) do
if warning:find("ignoring model 'claude-sonnet-4'", 1, true) then
warned = true
end
end
assert(warned, "expected a warning naming the ignored model, got: " ..
table.concat(found.warnings, " | "))
end },
{ "config roots follow every host layer, in host order", function()
local fake = require("spec.fake_ext")
local paths = require("subagents.paths")
local handle = fake.install()
local ok, err = pcall(function()
local roots = paths.config_roots("workflows")
assert(#roots == 4, "expected one root per layer, saw " .. #roots)
assert(roots[1] == "/data/panto/agent/workflows", roots[1])
assert(roots[2] == "/home/u/.config/panto/workflows", roots[2])
assert(roots[3] == "/proj/.panto/workflows", roots[3])
assert(roots[4] == "/proj/.panto/local/workflows", roots[4])
end)
handle.restore()
if not ok then error(err, 0) end
end },
{ "the list is sorted by name", function()
local found, reason = fixture_or_skip()
if not found then
return "skip", reason
end
assert(#found.list >= 5, "expected every profile in the list, saw " .. #found.list)
for index = 2, #found.list do
assert(found.list[index - 1].name < found.list[index].name,
"list is not sorted at " .. index)
end
end },
}
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