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"""
Integration tests for netencode pipeline tools using Python netencode module.
Refactored to use direct netencode construction instead of JSON conversion.
"""
import pytest
import subprocess
from conftest import run_tool, get_tool_path
import netencode as ne
class TestJSONToNetencode:
"""Test JSON to netencode conversion functionality."""
def test_converts_simple_object(self):
"""json-to-netencode converts simple object."""
json_input = '{"name": "Alice", "age": 30}'
result = run_tool('json-to-netencode', stdin=json_input)
# Should contain both fields in netencode format
assert b'<4:name|t5:Alice' in result.stdout
assert b'<3:age|i:30' in result.stdout
def test_converts_boolean_values(self):
"""json-to-netencode converts boolean values."""
json_input = '{"active": true, "disabled": false}'
result = run_tool('json-to-netencode', stdin=json_input)
# Booleans should be converted to tagged units
assert b'<6:active|<4:true|u' in result.stdout
assert b'<8:disabled|<5:false|u' in result.stdout
def test_converts_arrays(self):
"""json-to-netencode converts arrays."""
json_input = '{"items": ["foo", "bar"]}'
result = run_tool('json-to-netencode', stdin=json_input)
# Should contain list with text elements
assert b'<5:items|[' in result.stdout
assert b't3:foo,' in result.stdout
assert b't3:bar,' in result.stdout
def test_handles_numbers_correctly(self):
"""json-to-netencode handles numbers correctly."""
json_input = '{"positive": 42, "negative": -17, "zero": 0}'
result = run_tool('json-to-netencode', stdin=json_input)
# Should handle different number types
assert b'<8:positive|i:42' in result.stdout
assert b'<8:negative|i:-17' in result.stdout
assert b'<4:zero|i:0' in result.stdout
def test_handles_null_values(self):
"""json-to-netencode handles null values."""
json_input = '{"empty": null}'
result = run_tool('json-to-netencode', stdin=json_input)
# Null should become unit type
assert b'<5:empty|u' in result.stdout
def test_rejects_malformed_json(self):
"""json-to-netencode rejects malformed JSON."""
result = run_tool('json-to-netencode',
stdin='{"invalid": json}',
expect_success=False)
# Should fail with non-zero exit code
assert result.returncode != 0
class TestNetencodeFilter:
"""Test netencode filtering functionality using Python-generated records."""
def test_filters_by_text_field(self):
"""netencode-filter filters by text field."""
# Create test data using Python module
record1 = ne.simple_record(name=ne.text("Alice"), role=ne.text("admin"))
record2 = ne.simple_record(name=ne.text("Bob"), role=ne.text("user"))
input_stream = record1 + b"\n" + record2
# Filter by role=admin
result = run_tool('netencode-filter', 'role=admin', stdin=input_stream)
# Should only contain Alice's record
assert b'Alice' in result.stdout
assert b'Bob' not in result.stdout
def test_filters_by_number_field(self):
"""netencode-filter filters by number field."""
record1 = ne.simple_record(name=ne.text("Alice"), age=ne.integer(30))
record2 = ne.simple_record(name=ne.text("Bob"), age=ne.integer(25))
input_stream = record1 + b"\n" + record2
# Filter by age=30
result = run_tool('netencode-filter', 'age=30', stdin=input_stream)
# Should only contain Alice's record
assert b'Alice' in result.stdout
assert b'Bob' not in result.stdout
def test_filters_by_boolean_field(self):
"""netencode-filter filters by boolean field."""
record1 = ne.simple_record(name=ne.text("Alice"), active=ne.boolean(True))
record2 = ne.simple_record(name=ne.text("Bob"), active=ne.boolean(False))
input_stream = record1 + b"\n" + record2
# Filter by active=true
result = run_tool('netencode-filter', 'active=true', stdin=input_stream)
# Should only contain Alice's record
assert b'Alice' in result.stdout
assert b'Bob' not in result.stdout
def test_produces_no_output_for_non_matching_records(self):
"""netencode-filter produces no output for non-matching records."""
record = ne.simple_record(name=ne.text("Alice"), role=ne.text("user"))
result = run_tool('netencode-filter', 'role=admin', stdin=record)
# Should produce no output
assert result.stdout.strip() == b""
def test_passes_through_non_record_values(self):
"""netencode-filter passes through non-record values."""
# Test with a simple text value
text_value = ne.text("hello")
result = run_tool('netencode-filter', 'field=value', stdin=text_value)
# Should pass through unchanged
assert result.stdout.strip() == text_value
def test_handles_missing_fields_gracefully(self):
"""netencode-filter handles missing fields gracefully."""
record = ne.simple_record(name=ne.text("Alice"))
result = run_tool('netencode-filter', 'missing=value', stdin=record)
# Should produce no output for missing field
assert result.stdout.strip() == b""
class TestPipelineIntegration:
"""Test complete pipeline integration using Python-generated data."""
def test_complete_filter_to_extract_pipeline(self):
"""Test the full pipeline: Python record -> filter -> extract field."""
record = ne.simple_record(name=ne.text("Alice"), role=ne.text("admin"))
# Filter -> extract name
filtered = run_tool('netencode-filter', 'role=admin', stdin=record).stdout.strip()
name = run_tool('netencode-record-get', 'name', stdin=filtered).stdout.strip()
# Should extract Alice's name in netencode format
assert name == ne.text("Alice")
def test_pipeline_handles_multiple_records_correctly(self):
"""Pipeline handles multiple records correctly."""
# Create multiple records using Python module
record1 = ne.simple_record(name=ne.text("Alice"), active=ne.boolean(True))
record2 = ne.simple_record(name=ne.text("Bob"), active=ne.boolean(False))
record3 = ne.simple_record(name=ne.text("Charlie"), active=ne.boolean(True))
# Filter for active users
input_stream = record1 + b"\n" + record2 + b"\n" + record3
result = run_tool('netencode-filter', 'active=true', stdin=input_stream)
# Should contain Alice and Charlie, but not Bob
assert b'Alice' in result.stdout
assert b'Charlie' in result.stdout
assert b'Bob' not in result.stdout
class TestToolCompatibility:
"""Test compatibility between tools using Python-generated data."""
def test_python_generated_records_work_with_record_get(self):
"""Python-generated records work with netencode-record-get."""
record = ne.simple_record(name=ne.text("Alice"), age=ne.integer(30))
name_result = run_tool('netencode-record-get', 'name', stdin=record).stdout.strip()
age_result = run_tool('netencode-record-get', 'age', stdin=record).stdout.strip()
# Should extract fields correctly
assert name_result == ne.text("Alice")
assert age_result == ne.integer(30)
def test_filtered_records_work_with_existing_tools(self):
"""Filtered records work with existing tools."""
record1 = ne.simple_record(name=ne.text("Alice"), role=ne.text("admin"))
record2 = ne.simple_record(name=ne.text("Bob"), role=ne.text("user"))
# Create netencode stream
input_stream = record1 + b"\n" + record2
# Filter and extract names
filtered = run_tool('netencode-filter', 'role=admin', stdin=input_stream).stdout.strip()
name = run_tool('netencode-record-get', 'name', stdin=filtered).stdout.strip()
# Should get Alice's name
assert name == ne.text("Alice")
def test_python_module_produces_valid_netencode(self):
"""Test that Python module produces valid netencode that existing tools can consume."""
record = ne.simple_record(test=ne.text("value"))
# Should be able to extract the field with existing tool
result = run_tool('netencode-record-get', 'test', stdin=record).stdout.strip()
assert result == ne.text("value")
class TestFieldOrdering:
"""Test field ordering preservation using Python module for comprehensive control."""
def test_explicit_field_ordering_with_python_module(self):
"""Test creating records with explicit field ordering using Python module."""
# Create a record with specific field order: zebra, alpha, beta
record_data = ne.record_ordered(
"zebra", ne.natural(1),
"alpha", ne.natural(2),
"beta", ne.natural(3)
)
# Verify the record can be parsed and fields extracted
zebra_result = run_tool('netencode-record-get', 'zebra', stdin=record_data)
alpha_result = run_tool('netencode-record-get', 'alpha', stdin=record_data)
beta_result = run_tool('netencode-record-get', 'beta', stdin=record_data)
assert zebra_result.stdout.strip() == ne.natural(1)
assert alpha_result.stdout.strip() == ne.natural(2)
assert beta_result.stdout.strip() == ne.natural(3)
# Verify the field order in the encoded string
zebra_pos = record_data.find(b'<5:zebra|')
alpha_pos = record_data.find(b'<5:alpha|')
beta_pos = record_data.find(b'<4:beta|')
# Fields should appear in the order we specified
assert zebra_pos < alpha_pos < beta_pos
def test_roundtrip_ordering_preservation_with_python_module(self):
"""Test that Python-generated records preserve ordering through roundtrip."""
# Create record with non-alphabetical ordering
original_record = ne.record_ordered(
"third", ne.text("c"),
"first", ne.text("a"),
"second", ne.text("b")
)
# Pass through netencode-plain (which does passthrough for records)
passthrough_result = run_tool('netencode-plain', stdin=original_record)
roundtrip_record = passthrough_result.stdout.strip()
# Should be identical
assert original_record == roundtrip_record
# Verify field order is preserved
third_pos = roundtrip_record.find(b'<5:third|')
first_pos = roundtrip_record.find(b'<5:first|')
second_pos = roundtrip_record.find(b'<6:second|')
assert third_pos < first_pos < second_pos
def test_different_ordering_methods_produce_different_results(self):
"""Test that different ordering methods produce different encodings."""
# Method 1: Alphabetical order using simple_record
record1 = ne.simple_record(
zebra=ne.text("first"),
alpha=ne.text("second")
)
# Method 2: Explicit reverse alphabetical using record_ordered
record2 = ne.record_ordered(
"zebra", ne.text("first"),
"alpha", ne.text("second")
)
# simple_record sorts alphabetically: alpha before zebra
alpha_pos1 = record1.find(b'<5:alpha|')
zebra_pos1 = record1.find(b'<5:zebra|')
assert alpha_pos1 < zebra_pos1
# record_ordered preserves explicit order: zebra before alpha
zebra_pos2 = record2.find(b'<5:zebra|')
alpha_pos2 = record2.find(b'<5:alpha|')
assert zebra_pos2 < alpha_pos2
# The two records should be different due to different field ordering
assert record1 != record2
def test_complex_field_ordering_scenario(self):
"""Test complex field ordering with mixed data types."""
# Create a record with fields that would hash very differently
record_data = ne.record_ordered(
"field_999", ne.boolean(True),
"field_001", ne.integer(-42),
"field_zzz", ne.text("hello"),
"field_aaa", ne.unit()
)
# Verify all fields are accessible
results = {}
for field in ["field_999", "field_001", "field_zzz", "field_aaa"]:
result = run_tool('netencode-record-get', field, stdin=record_data)
results[field] = result.stdout.strip()
assert results["field_999"] == ne.boolean(True)
assert results["field_001"] == ne.integer(-42)
assert results["field_zzz"] == ne.text("hello")
assert results["field_aaa"] == ne.unit()
# Verify the explicit ordering is preserved
positions = {}
for field in ["field_999", "field_001", "field_zzz", "field_aaa"]:
field_tag = f'<{len(field)}:{field}|'.encode('utf-8')
positions[field] = record_data.find(field_tag)
# Should be in the order we specified
assert positions["field_999"] < positions["field_001"]
assert positions["field_001"] < positions["field_zzz"]
assert positions["field_zzz"] < positions["field_aaa"]
def test_record_field_ordering_preserved_through_roundtrip(self):
"""Test that field ordering is preserved when parsing and re-encoding records."""
# Create a record with a specific field order using Python module
original_record = ne.record_ordered(
"zebra", ne.integer(1),
"alpha", ne.integer(2),
"beta", ne.integer(3),
"gamma", ne.integer(4)
)
# Parse and re-encode through netencode-plain (which does passthrough for records)
passthrough_result = run_tool('netencode-plain', stdin=original_record)
final_record = passthrough_result.stdout.strip()
# The field order should be preserved
assert original_record == final_record
# Additionally, verify the actual order by extracting each field
zebra_field = run_tool('netencode-record-get', 'zebra', stdin=original_record)
alpha_field = run_tool('netencode-record-get', 'alpha', stdin=original_record)
beta_field = run_tool('netencode-record-get', 'beta', stdin=original_record)
gamma_field = run_tool('netencode-record-get', 'gamma', stdin=original_record)
# All fields should be accessible
assert zebra_field.stdout.strip() == ne.integer(1)
assert alpha_field.stdout.strip() == ne.integer(2)
assert beta_field.stdout.strip() == ne.integer(3)
assert gamma_field.stdout.strip() == ne.integer(4)
class TestNetencodePlain:
"""Test the netencode-plain tool for extracting scalar values."""
def test_text_values(self):
"""Test that text values are output as plain text."""
text_value = ne.text("Alice")
result = run_tool("netencode-plain", stdin=text_value)
assert result.stdout == b"Alice"
def test_natural_numbers(self):
"""Test that natural numbers are output as decimal."""
nat_value = ne.natural(42)
result = run_tool("netencode-plain", stdin=nat_value)
assert result.stdout == b"42"
def test_signed_integers(self):
"""Test that signed integers are output as decimal."""
int_value = ne.integer(-10)
result = run_tool("netencode-plain", stdin=int_value)
assert result.stdout == b"-10"
def test_boolean_true(self):
"""Test that boolean true is output as 'true'."""
bool_value = ne.boolean(True)
result = run_tool("netencode-plain", stdin=bool_value)
assert result.stdout == b"true"
def test_boolean_false(self):
"""Test that boolean false is output as 'false'."""
bool_value = ne.boolean(False)
result = run_tool("netencode-plain", stdin=bool_value)
assert result.stdout == b"false"
def test_record_passthrough(self):
"""Test that records pass through unchanged."""
record = ne.simple_record(name=ne.text("Alice"), age=ne.integer(30))
result = run_tool("netencode-plain", stdin=record)
assert result.stdout == record
def test_list_passthrough(self):
"""Test that lists pass through unchanged."""
list_value = ne.list([ne.text("Alice"), ne.integer(30)])
result = run_tool("netencode-plain", stdin=list_value)
assert result.stdout == list_value
def test_unit_value(self):
"""Test that unit values produce no output."""
unit_value = ne.unit()
result = run_tool("netencode-plain", stdin=unit_value)
assert result.stdout == b""
def test_binary_data_passthrough(self):
"""Test that binary data is output as raw bytes."""
binary_value = ne.binary(b"hello")
result = run_tool("netencode-plain", stdin=binary_value)
assert result.stdout == b"hello"
class TestEdgeCases:
"""Test edge cases and error handling using Python-generated data."""
def test_empty_input_handling(self):
"""Test how tools handle empty input."""
# JSON conversion should fail on empty input
result = run_tool('json-to-netencode', stdin='', expect_success=False)
assert result.returncode != 0
# Filter should handle empty input gracefully
result = run_tool('netencode-filter', 'field=value', stdin='')
assert result.returncode == 0
def test_unicode_handling_with_python_module(self):
"""Unicode handling using Python module."""
record = ne.simple_record(
message=ne.text("Hello δΈη"),
emoji=ne.text("π")
)
# Should handle unicode properly
message_result = run_tool('netencode-record-get', 'message', stdin=record)
emoji_result = run_tool('netencode-record-get', 'emoji', stdin=record)
assert message_result.stdout.strip() == ne.text("Hello δΈη")
assert emoji_result.stdout.strip() == ne.text("π")
def test_special_characters_in_field_names_and_values(self):
"""Special characters in field names and values using Python module."""
# Use record_ordered to specify field with special characters
record = ne.record_ordered(
"field:with:colons", ne.text("value,with,commas")
)
# Should handle special characters correctly (length-prefixed format)
result = run_tool('netencode-record-get', 'field:with:colons', stdin=record)
assert result.stdout.strip() == ne.text("value,with,commas")
def test_filter_expression_validation(self):
"""Filter expression validation."""
record = ne.simple_record(name=ne.text("Alice"))
# Test invalid filter expressions
result = run_tool('netencode-filter', 'invalid_expression',
stdin=record, expect_success=False)
assert result.returncode != 0
# This should handle by taking first = as separator
result = run_tool('netencode-filter', 'field=value=extra', stdin=record)
assert result.returncode == 0
class TestEnvironmentIntegration:
"""Test integration with environment variable tools."""
def test_env_splice_record_deterministic_ordering(self):
"""Test that env-to-netencode produces deterministic output."""
import subprocess
env = {
'first': 'value1',
'second': 'value2',
'third': 'value3'
}
tool_path = get_tool_path('env-to-netencode')
result = subprocess.run([tool_path], capture_output=True, env=env)
encoding = result.stdout.strip()
# Verify that each field is accessible
for field in ['first', 'second', 'third']:
field_result = run_tool('netencode-record-get', field, stdin=encoding)
assert field_result.returncode == 0
# The value should be the text-encoded environment value
expected_value = ne.text(env[field])
assert field_result.stdout.strip() == expected_value
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