1 files changed, 62 insertions, 0 deletions
diff --git a/test/test_data.lua b/test/test_data.lua
index 00616d6..65f92e1 100644
--- a/test/test_data.lua
+++ b/test/test_data.lua
@@ -383,4 +383,66 @@ assert(ndays == 30 and first == 2, 'september 2026, got ' .. ndays .. '/' .. fir
 assert((data.month_shape(2024, 2)) == 29, 'leap february has 29 days')
 assert((data.month_shape(2026, 12)) == 31, 'december rolls over correctly')
 
+-- === breaktimer ===========================================================
+-- The phase-to-word and phase-to-colour decisions live in breaktimer_parse so
+-- they can be checked here; the card only draws the result.
+local bt = data.breaktimer_parse(read('test/fixtures/breaktimer_cache'))
+assert(bt, 'breaktimer cache parses')
+assert(bt.countdown == '24:31', 'countdown, got ' .. tostring(bt.countdown))
+assert(bt.phase_label == 'working', 'phase label, got ' .. tostring(bt.phase_label))
+assert(bt.next == 'pausa', 'next during work is a break, got ' .. tostring(bt.next))
+assert(bt.role == 'ok', 'working is ok, got ' .. tostring(bt.role))
+
+-- Every phase has its own word and colour role. Build caches rather than files:
+-- the sampler's output is six plain lines and the parse is the seam that
+-- matters.
+local function bt_cache(fields)
+  local out = { 'generated 1', 'running ' .. (fields.running or 'yes'),
+    'state ' .. (fields.state or 'running'),
+    'phase ' .. (fields.phase or 'working'),
+    'remain ' .. (fields.remain or 60),
+    'frozen ' .. (fields.frozen or 'no') }
+  return table.concat(out, '\n') .. '\n'
+end
+
+local b
+
+b = data.breaktimer_parse(bt_cache({ phase = 'breaking', remain = 125 }))
+assert(b.phase_label == 'micro-pausa' and b.role == 'heading' and b.next == 'lavoro',
+  'micro-pause: ' .. b.phase_label .. '/' .. b.role .. '/' .. b.next)
+assert(b.countdown == '2:05', 'micro-pause countdown, got ' .. b.countdown)
+
+b = data.breaktimer_parse(bt_cache({ phase = 'longbreak', remain = 600 }))
+assert(b.phase_label == 'pausa lunga' and b.role == 'highlight' and b.next == 'lavoro',
+  'long pause: ' .. b.phase_label .. '/' .. b.role)
+
+-- Paused freezes the number, but the phase underneath still decides what the
+-- countdown leads to.
+b = data.breaktimer_parse(bt_cache({ state = 'paused', phase = 'working' }))
+assert(b.phase_label == 'in pausa' and b.role == 'warning' and b.next == 'pausa',
+  'paused: ' .. b.phase_label .. '/' .. b.role .. '/' .. b.next)
+
+-- Frozen: the clock stopped while the phase stayed 'working'. Outside working
+-- hours, or a hung daemon; both read the same.
+b = data.breaktimer_parse(bt_cache({ frozen = 'yes' }))
+assert(b.phase_label == 'outside working hours' and b.role == 'label',
+  'frozen: ' .. b.phase_label .. '/' .. b.role)
+assert(b.next == 'pausa', 'frozen working still leads to a break')
+
+-- A dead daemon: the sampler's liveness check sets running no even when the
+-- state file was left saying running.
+b = data.breaktimer_parse(bt_cache({ running = 'no' }))
+assert(b.countdown == '--' and b.phase_label == 'fermo' and b.next == '--'
+  and b.role == 'label', 'stopped reads as fermo, got ' .. b.phase_label)
+
+-- A negative remain must clamp, not print '-1:59'.
+b = data.breaktimer_parse(bt_cache({ remain = -5 }))
+assert(b.countdown == '0:00', 'negative remain clamps, got ' .. b.countdown)
+
+-- No 'generated' key means the sampler never ran, which is different from a
+-- stopped daemon (which still writes a cache).
+assert(data.breaktimer_parse('running no\n') == nil, 'no generated key: nil')
+assert(data.breaktimer_parse('') == nil, 'empty cache: nil')
+assert(data.breaktimer_parse(nil) == nil, 'nil cache: nil')
+
 print('test_data: all assertions passed')