find_index: add basic unit test

Author: Totktonada

test/unit/find_index.test.lua

@@ -0,0 +1,68 @@
+#!/usr/bin/env tarantool
+
+local tap = require('tap')
+local fio = require('fio')
+
+-- require in-repo version of graphql/ sources despite current working directory
+local cur_dir = fio.abspath(debug.getinfo(1).source:match("@?(.*/)")
+    :gsub('/./', '/'):gsub('/+$', ''))
+package.path =
+    cur_dir .. '/../../?/init.lua' .. ';' ..
+    cur_dir .. '/../../?.lua' .. ';' ..
+    package.path
+
+local find_index = require('graphql.find_index')
+local testdata = require('test.testdata.common_testdata')
+
+local cases = {
+    {
+        name = 'find one-part index',
+        collection_name = 'user_collection',
+        from = {
+            collection_name = nil,
+            connection_name = 'user_collection',
+            destination_args_names = {},
+            destination_args_values = {},
+        },
+        filter = {user_id = 'user_id_1'},
+        args = {},
+        exp_full_match = true,
+        exp_index_name = 'user_id_index',
+        exp_filter = {},
+        exp_index_value = {'user_id_1'},
+        exp_pivot = nil,
+    },
+}
+
+local test = tap.test('find_index')
+test:plan(#cases)
+
+local db_schema = testdata.meta or testdata.get_test_metadata()
+local index_finder = find_index.new(db_schema)
+
+local function run_case(test, index_finder, case)
+    local full_match, index_name, filter, index_value, pivot =
+        index_finder:find(case.collection_name, case.from, case.filter,
+        case.args)
+    local res = {
+        full_match = full_match,
+        index_name = index_name,
+        filter = filter,
+        index_value = index_value,
+        pivot = pivot,
+    }
+    local exp = {
+        full_match = case.exp_full_match,
+        index_name = case.exp_index_name,
+        filter = case.exp_filter,
+        index_value = case.exp_index_value,
+        pivot = case.exp_pivot,
+    }
+    test:is_deeply(res, exp, case.name)
+end
+
+for _, case in ipairs(cases) do
+    run_case(test, index_finder, case)
+end
+
+os.exit(test:check() == true and 0 or 1)