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Support CLI tests on cross-compiled binaries
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@Wilfred
Wilfred committed Nov 26, 2023
1 parent 5984abf commit 0b202dc
Showing 1 changed file with 46 additions and 18 deletions.
64 changes: 46 additions & 18 deletions tests/cli.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,17 +3,45 @@ use std::process::Command;
use assert_cmd::prelude::*;
use predicates::prelude::*;

fn find_runner() -> Option<String> {
for (key, value) in std::env::vars() {
if key.starts_with("CARGO_TARGET_") && key.ends_with("_RUNNER") && !value.is_empty() {
return Some(value);
}
}
None
}

// Sample code from
// https://github.com/assert-rs/assert_cmd/issues/139, supports
// cross-compiled binaries.
fn get_base_command() -> Command {
let mut cmd;
let path = assert_cmd::cargo::cargo_bin("difft");
if let Some(runner) = find_runner() {
let mut runner = runner.split_whitespace();
cmd = Command::new(runner.next().unwrap());
for arg in runner {
cmd.arg(arg);
}
cmd.arg(path);
} else {
cmd = Command::new(path);
}
cmd
}

#[test]
fn no_such_files() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("no_such_file").arg("no_such_file_either");
cmd.assert().failure().code(2);
}

#[test]
fn inline() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--display=inline")
.arg("sample_files/simple_before.js")
Expand All @@ -23,7 +51,7 @@ fn inline() {

#[test]
fn binary_changed() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--display=inline")
.arg("img/logo.png")
Expand All @@ -35,7 +63,7 @@ fn binary_changed() {

#[test]
fn has_changes_default_exit_code() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/simple_before.js")
.arg("sample_files/simple_after.js");
Expand All @@ -44,7 +72,7 @@ fn has_changes_default_exit_code() {

#[test]
fn has_changes_requested_exit_code() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--exit-code")
.arg("sample_files/simple_before.js")
Expand All @@ -54,7 +82,7 @@ fn has_changes_requested_exit_code() {

#[test]
fn ignore_comments() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--ignore-comments")
.arg("sample_files/comma_and_comment_before.js")
Expand All @@ -66,7 +94,7 @@ fn ignore_comments() {

#[test]
fn check_only() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--check-only")
.arg("sample_files/simple_before.js")
Expand All @@ -78,7 +106,7 @@ fn check_only() {

#[test]
fn check_only_text_file() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--check-only")
.arg("sample_files/text_before.txt")
Expand All @@ -90,7 +118,7 @@ fn check_only_text_file() {

#[test]
fn makefile_text_as_atom() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/cli_tests/makefile_before.mk")
.arg("sample_files/cli_tests/makefile_after.mk");
Expand All @@ -101,7 +129,7 @@ fn makefile_text_as_atom() {

#[test]
fn yaml_parse_errors() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/cli_tests/bad_yaml_before.yml")
.arg("sample_files/cli_tests/bad_yaml_after.yml");
Expand All @@ -112,7 +140,7 @@ fn yaml_parse_errors() {

#[test]
fn list_languages() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--list-languages");

Expand All @@ -125,7 +153,7 @@ fn list_languages() {

#[test]
fn test_mime_type_false_positive() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/cli_tests/x_mod_false_positive.js")
.arg("sample_files/cli_tests/empty.js");
Expand All @@ -136,7 +164,7 @@ fn test_mime_type_false_positive() {

#[test]
fn slightly_invalid_utf8() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/cli_tests/MainWindowViewModel.cs")
.arg("/dev/null");
Expand All @@ -147,7 +175,7 @@ fn slightly_invalid_utf8() {

#[test]
fn directory_arguments() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/dir_before")
.arg("sample_files/dir_after");
Expand All @@ -159,7 +187,7 @@ fn directory_arguments() {

#[test]
fn git_style_arguments_rename() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("elisp_oldname.el")
.arg("sample_files/elisp_before.el")
Expand All @@ -176,7 +204,7 @@ fn git_style_arguments_rename() {

#[test]
fn drop_different_path_starts() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("sample_files/dir_before/clojure.clj")
.arg("sample_files/dir_after/clojure.clj");
Expand All @@ -186,7 +214,7 @@ fn drop_different_path_starts() {

#[test]
fn dump_tree_sitter() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--dump-ts")
.arg("sample_files/simple_before.js")
Expand All @@ -196,7 +224,7 @@ fn dump_tree_sitter() {

#[test]
fn dump_syntax() {
let mut cmd = Command::cargo_bin("difft").unwrap();
let mut cmd = get_base_command();

cmd.arg("--dump-syntax")
.arg("sample_files/simple_before.js")
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