tests/testthat/utf-8.R

In sctyner/dplyr050: A Grammar of Data Manipulation

# UTF-8 tests that can't be run on Windows CRAN
df  <- data.frame(中文1 = 1:10, 中文2 = 1:10, eng = 1:10)
df2 <- df %>% mutate(中文1 = 中文1 + 1)
gdf2 <- df %>% group_by(eng) %>% mutate(中文1 = 中文1 + 1)

expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(df2)) )
expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(gdf2)) )

df3 <- filter(df2, eng > 5)
gdf3 <- filter(gdf2, eng > 5)
expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(df3)) )
expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(gdf3)) )

df4 <- filter(df2, 中文1 > 5)
gdf4 <- filter(gdf2, 中文1 > 5)
expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(df4)) )
expect_equal( strings_addresses(names(df)) ,  strings_addresses(names(gdf4)) )