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# SPDX-Copyright: Copyright (c) Capital One Services, LLC
# SPDX-License-Identifier: Apache-2.0
# Copyright 2017 Capital One Services, LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
#
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
# OF ANY KIND, either express or implied.
#
# UNIT TEST: matchNoIndex
#
# matchNoIndex returns matches two data frames on rows without a key
# and returns the subset of the data frames based on shared rows,
# as well as a list of the rows that were not included in the subset
#
context("matchNoIndex")
test_that("matchNoIndex correctly finds matching rows", {
# Simple subset of both data frames A > B
ky <- seq(1,20)
dta <- as.character(paste("data", ky))
df1 <- data.frame(ky, dta, stringsAsFactors = FALSE)
ky <- seq(1,15)
dta <- as.character(paste("data", ky))
df2 <- data.frame(ky, dta, stringsAsFactors = FALSE)
# Matching elements
ky <- seq(1,15)
dta <- as.character(paste("data", ky))
dfMtch <- data.frame(ky, dta, stringsAsFactors = FALSE)
mtch <- matchNoIndex(df1, df2) # Expected matched subset
msgA <- seq(16,20) # Expected missing indices from A
msgB <- integer() # Expected missing indices from B
expect_equal(mtch[[1]][,1], dfMtch[,1]) # Keys match subset of A
expect_equal(mtch[[1]][,2], dfMtch[,2]) # Data matches subset of A
expect_equal(mtch[[2]][,1], dfMtch[,1]) # Keys match subset of B
expect_equal(mtch[[2]][,2], dfMtch[,2]) # Data matches subset of B
expect_equal(mtch[[3]][[1]][[1]], msgA) # Missing indices from A
expect_equal(mtch[[3]][[2]][[1]], msgB) # Missing indices from A
# Simple subset of both data frames A < B
ky <- seq(1,15)
dta <- as.character(paste("data", ky))
df1 <- data.frame(ky, dta, stringsAsFactors = FALSE)
ky <- seq(1,20)
dta <- as.character(paste("data", ky))
df2 <- data.frame(ky, dta, stringsAsFactors = FALSE)
# Matching elements
ky <- seq(1,15)
dta <- as.character(paste("data", ky))
dfMtch <- data.frame(ky, dta, stringsAsFactors = FALSE)
mtch <- matchNoIndex(df1, df2) # Expected matched subset
msgA <- integer() # Expected missing indices from A
msgB <- seq(16,20) # Expected missing indices from B
expect_equal(mtch[[1]][,1], dfMtch[,1]) # Keys match subset of A
expect_equal(mtch[[1]][,2], dfMtch[,2]) # Data matches subset of A
expect_equal(mtch[[2]][,1], dfMtch[,1]) # Keys match subset of B
expect_equal(mtch[[2]][,2], dfMtch[,2]) # Data matches subset of B
expect_equal(mtch[[3]][[1]][[1]], msgA) # Missing indices from A
expect_equal(mtch[[3]][[2]][[1]], msgB) # Missing indices from A
})
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