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Infer types from regular delimited plain text unstructured files. (#1494)

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* Infer types from regular delimited plain text unstructured files.

* Nothing resolves to an empty string.
This commit is contained in:
Andrés N. Robalino
2020-03-16 15:50:45 -05:00
committed by GitHub
parent d8c4565413
commit b36d21e76f
20 changed files with 751 additions and 315 deletions
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36
crates/nu-cli/tests/format_conversions/csv.rs
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@ -73,8 +73,36 @@ fn table_to_csv_text_skipping_headers_after_conversion() {
}
#[test]
fn from_csv_text_to_table() {
fn infers_types() {
Playground::setup("filter_from_csv_test_1", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_cuatro_mosqueteros.csv",
r#"
first_name,last_name,rusty_luck
Andrés,Robalino,1,d
Jonathan,Turner,1,d
Yehuda,Katz,1,d
Jason,Gedge,1,d
"#,
)]);
let actual = nu!(
cwd: dirs.test(), pipeline(
r#"
open los_cuatro_mosqueteros.csv
| where rusty_luck > 0
| count
| echo $it
"#
));
assert_eq!(actual, "4");
})
}
#[test]
fn from_csv_text_to_table() {
Playground::setup("filter_from_csv_test_2", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.txt",
r#"
@ -102,7 +130,7 @@ fn from_csv_text_to_table() {
#[test]
fn from_csv_text_with_separator_to_table() {
Playground::setup("filter_from_csv_test_2", |dirs, sandbox| {
Playground::setup("filter_from_csv_test_3", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.txt",
r#"
@ -130,7 +158,7 @@ fn from_csv_text_with_separator_to_table() {
#[test]
fn from_csv_text_with_tab_separator_to_table() {
Playground::setup("filter_from_csv_test_3", |dirs, sandbox| {
Playground::setup("filter_from_csv_test_4", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_caballeros.txt",
r#"
@ -158,7 +186,7 @@ fn from_csv_text_with_tab_separator_to_table() {
#[test]
fn from_csv_text_skipping_headers_to_table() {
Playground::setup("filter_from_csv_test_4", |dirs, sandbox| {
Playground::setup("filter_from_csv_test_5", |dirs, sandbox| {
sandbox.with_files(vec![FileWithContentToBeTrimmed(
"los_tres_amigos.txt",
r#"