test: added tests for runner

tests/manage/task_spec.lua

@@ -0,0 +1,107 @@
+local Task = require("lazy.manage.task")
+
+describe("task", function()
+  local plugin = { name = "test" }
+
+  local done = false
+  local error = nil
+
+  local opts = {
+    on_done = function(task)
+      done = true
+      error = task.error
+    end,
+  }
+
+  before_each(function()
+    done = false
+    error = nil
+  end)
+
+  it("simple function", function()
+    local task = Task.new(plugin, "test", function() end, opts)
+    assert(not task:has_started())
+    assert(not task:is_running())
+    task:start()
+    assert(not task:is_running())
+    assert(task:is_done())
+    assert(done)
+  end)
+
+  it("detects errors", function()
+    local task = Task.new(plugin, "test", function()
+      error("test")
+    end, opts)
+    assert(not task:has_started())
+    assert(not task:is_running())
+    task:start()
+    assert(task:is_done())
+    assert(not task:is_running())
+    assert(done)
+    assert(error)
+    assert(task.error and task.error:find("test"))
+  end)
+
+  it("schedule", function()
+    local running = false
+    local task = Task.new(plugin, "test", function(task)
+      running = true
+      task:schedule(function()
+        running = false
+      end)
+    end, opts)
+    assert(not task:is_running())
+    assert(not task:has_started())
+    task:start()
+    assert(running)
+    assert(#task._running == 1)
+    assert(task:is_running())
+    assert(not task:is_done())
+    task:wait()
+    assert(task:is_done())
+    assert(not task:is_running())
+    assert(done)
+    assert(not task.error)
+  end)
+
+  it("spawn errors", function()
+    local task = Task.new(plugin, "test", function(task)
+      task:spawn("foobar")
+    end, opts)
+    assert(not task:is_running())
+    task:start()
+    assert(not task:is_running())
+    assert(done)
+    assert(task.error and task.error:find("Failed to spawn"))
+  end)
+
+  it("spawn", function()
+    local task = Task.new(plugin, "test", function(task)
+      task:spawn("echo", { args = { "foo" } })
+    end, opts)
+    assert(not task:is_running())
+    assert(not task:has_started())
+    task:start()
+    assert(task:has_started())
+    assert(task:is_running())
+    task:wait()
+    assert(task:is_done())
+    assert.same(task.output, "foo\n")
+    assert(done)
+    assert(not task.error)
+  end)
+
+  it("spawn 2x", function()
+    local task = Task.new(plugin, "test", function(task)
+      task:spawn("echo", { args = { "foo" } })
+      task:spawn("echo", { args = { "bar" } })
+    end, opts)
+    assert(not task:is_running())
+    task:start()
+    assert(task:is_running())
+    task:wait()
+    assert.same(task.output, "foo\nbar\n")
+    assert(done)
+    assert(not task.error)
+  end)
+end)