54f14ef788
Summary: First memgraph tests Reviewers: buda Reviewed By: buda Subscribers: matej.gradicek Differential Revision: https://phabricator.memgraph.io/D123
67 lines
2.1 KiB
Python
67 lines
2.1 KiB
Python
import database, os
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from graph_properties import GraphProperties
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from behave import *
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@given('an empty graph')
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def empty_graph_step(context):
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database.query("MATCH (n) DETACH DELETE n", context)
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context.graph_properties.set_beginning_parameters()
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@given('any graph')
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def any_graph_step(context):
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database.query("MATCH (n) DETACH DELETE n", context)
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context.graph_properties.set_beginning_parameters()
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@given('graph "{name}"')
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def graph_name(context, name):
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create_graph(name, context)
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def create_graph(name, context):
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"""
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Function deletes everything from database and creates a new
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graph. Graph file name is an argument of function. Function
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executes queries written in a .cypher file separated by ';'
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and sets graph properties to beginning values.
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"""
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database.query("MATCH (n) DETACH DELETE n", context)
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path = find_graph_path(name, context.config.graphs_root)
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q_marks = ["'", '"', '`']
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with open(path, 'r') as f:
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content = f.read().replace('\n', ' ')
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q = ''
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in_string = False
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i = 0
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while i < len(content):
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ch = content[i]
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if ch == '\\' and i != len(content)-1 and content[i+1] in q_marks:
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q += ch + content[i+1]
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i += 2
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else:
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q += ch
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if in_string and q_mark == ch:
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in_string = False
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elif ch in q_marks:
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in_string = True
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q_mark = ch
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if ch == ';' and not in_string:
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database.query(q, context)
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q = ''
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i += 1
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if q.strip() != '':
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database.query(q, context)
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context.graph_properties.set_beginning_parameters()
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def find_graph_path(name, path):
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"""
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Function returns path to .cypher file with given name in
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given folder or subfolders. Argument path is path to a given
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folder.
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"""
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for root, dirs, files in os.walk(path):
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if name + '.cypher' in files:
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return root + '/' + name + '.cypher'
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