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Patch exactly the named segments and share the segment-line pattern

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This commit is contained in:
J. Nick Koston
2026-08-20 13:44:12 -05:00
parent cea86989c9
commit e3936f500f
2 changed files with 45 additions and 59 deletions
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tests/unit_tests/components/esp8266/test_build_surgery.py
+20 -28
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@@ -4,10 +4,12 @@ from __future__ import annotations
import pytest
from esphome.components.esp8266.boards import BOARDS, ESP8266_BOARD_BUILD
from esphome.components.esp8266.build_surgery import (
RATETABLE_RULE,
apply_testing_memory_patches,
relocate_ratetable,
segment_length,
)
_COMMON_LD_SNIPPET = """\
@@ -49,39 +51,29 @@ def test_relocate_ratetable_requires_anchor() -> None:
def test_testing_memory_patches_enlarge_segments() -> None:
patched = apply_testing_memory_patches(_FLASH_LD_SNIPPET, require=())
assert (
"iram1_0_seg : org = 0x40100000, len = 0x200000"
in patched
)
assert (
"dram0_0_seg : org = 0x3FFE8000, len = 0x200000"
in patched
)
assert (
"irom0_0_seg : org = 0x40201010, len = 0x2000000"
in patched
patched = apply_testing_memory_patches(
_FLASH_LD_SNIPPET, ("iram1_0_seg", "dram0_0_seg", "irom0_0_seg")
)
assert segment_length(patched, "iram1_0_seg") == 0x200000
assert segment_length(patched, "dram0_0_seg") == 0x200000
assert segment_length(patched, "irom0_0_seg") == 0x2000000
# Untouched segments keep their sizes
assert segment_length(patched, "dport0_0_seg") == 0x10
def test_segment_length() -> None:
from esphome.components.esp8266.build_surgery import segment_length
assert segment_length(_FLASH_LD_SNIPPET, "irom0_0_seg") == 0xFEFF0
assert segment_length(_FLASH_LD_SNIPPET, "missing_seg") is None
def test_testing_memory_patches_require() -> None:
"""A required segment the patch could not find raises instead of
silently keeping the real memory limits."""
patched = apply_testing_memory_patches(
_FLASH_LD_SNIPPET, require=("dram0_0_seg", "irom0_0_seg")
)
assert "0x2000000" in patched
with pytest.raises(RuntimeError, match="dram0_0_seg, irom0_0_seg"):
apply_testing_memory_patches(
"MEMORY { }", require=("dram0_0_seg", "irom0_0_seg")
)
# Segments a file does not require are patched opportunistically only
# With nothing required, unmatched content passes through unchanged
assert apply_testing_memory_patches("MEMORY { }", require=()) == "MEMORY { }"
def test_testing_memory_patches_missing_segment_raises() -> None:
"""A named segment the patch could not find raises instead of silently
keeping the real memory limits."""
with pytest.raises(RuntimeError, match="dram0_0_seg"):
apply_testing_memory_patches("MEMORY { }", ("dram0_0_seg",))
def test_board_build_covers_every_board() -> None:
"""Every supported board has native build metadata (the table may carry
extras that BOARDS does not expose)."""
assert set(BOARDS) <= set(ESP8266_BOARD_BUILD)