7fddf35fc5
- 6 tests covering component extraction, summaries, multi-section, removals, modifications, fallback, raw_line Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
"""Tests for config change parser.
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Tests the parse_diff_changes function that extracts structured RouterOS
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component changes from unified diffs.
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"""
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import pytest
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from app.services.config_change_parser import parse_diff_changes
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class TestParseDiffChanges:
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"""Tests for parse_diff_changes()."""
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def test_firewall_filter_additions(self):
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"""Test 1: Diff with additions under /ip firewall filter produces correct component and summary."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,3 +1,5 @@\n"
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" /ip firewall filter\n"
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" add chain=input action=accept\n"
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"+add chain=forward action=accept protocol=tcp dst-port=80\n"
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"+add chain=forward action=accept protocol=tcp dst-port=443\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 1
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assert changes[0]["component"] == "ip/firewall/filter"
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assert "Added" in changes[0]["summary"]
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assert "2" in changes[0]["summary"]
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assert changes[0]["raw_line"] is not None
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def test_multiple_sections(self):
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"""Test 2: Diff with changes under multiple sections produces two change entries."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,4 +1,6 @@\n"
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" /ip address\n"
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"+add address=10.0.0.1/24 interface=ether1\n"
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" /ip dns\n"
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"+set servers=8.8.8.8,8.8.4.4\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 2
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components = [c["component"] for c in changes]
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assert "ip/address" in components
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assert "ip/dns" in components
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def test_removals_only(self):
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"""Test 3: Diff with only removals produces summary like 'Removed 1 NAT rule'."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,3 +1,2 @@\n"
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" /ip firewall nat\n"
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" add chain=srcnat action=masquerade\n"
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"-add chain=dstnat action=dst-nat to-addresses=192.168.1.100\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 1
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assert changes[0]["component"] == "ip/firewall/nat"
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assert "Removed" in changes[0]["summary"]
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assert "1" in changes[0]["summary"]
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def test_modifications_both_add_and_remove(self):
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"""Test 4: Diff with both + and - lines under same component produces 'Modified' summary."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,3 +1,3 @@\n"
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" /ip firewall filter\n"
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"-add chain=input action=accept protocol=tcp dst-port=22\n"
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"-add chain=input action=accept protocol=tcp dst-port=23\n"
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"+add chain=input action=accept protocol=tcp dst-port=22 comment=ssh\n"
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"+add chain=input action=accept protocol=tcp dst-port=443 comment=https\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 1
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assert "Modified" in changes[0]["summary"]
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assert "2" in changes[0]["summary"]
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def test_no_path_header_fallback(self):
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"""Test 5: Diff with no RouterOS path headers uses system/general as fallback."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,3 +1,3 @@\n"
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" # RouterOS config\n"
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"-# version 6.48\n"
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"+# version 6.49\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 1
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assert changes[0]["component"] == "system/general"
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def test_raw_line_contains_diff_lines(self):
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"""Test 6: raw_line field contains actual changed diff lines joined with newlines."""
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diff_text = (
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"--- a/config\n"
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"+++ b/config\n"
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"@@ -1,3 +1,4 @@\n"
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" /ip address\n"
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"+add address=10.0.0.1/24 interface=ether1\n"
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"-add address=192.168.1.1/24 interface=ether2\n"
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)
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changes = parse_diff_changes(diff_text)
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assert len(changes) == 1
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raw = changes[0]["raw_line"]
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assert "+add address=10.0.0.1/24 interface=ether1" in raw
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assert "-add address=192.168.1.1/24 interface=ether2" in raw
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# Lines are joined with newlines
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assert "\n" in raw
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