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package odinfmt_testing
import "core:testing"
import "core:os"
import "core:path/filepath"
import "core:strings"
import "core:text/scanner"
import "core:fmt"
import "shared:odin/format"
format_file :: proc(
filepath: string,
allocator := context.allocator,
) -> (
string,
bool,
) {
style := format.default_style
style.character_width = 80
style.newline_style = .LF //We want to make sure it works on linux and windows.
if data, ok := os.read_entire_file(filepath, allocator); ok {
return format.format(
filepath,
string(data),
style,
{.Optional_Semicolons},
allocator,
)
} else {
return "", false
}
}
snapshot_directory :: proc(directory: string) -> bool {
matches, err := filepath.glob(fmt.tprintf("%v/*", directory))
if err != .None {
fmt.eprintf("Error in globbing directory: %v", directory)
}
for match in matches {
if strings.contains(match, ".odin") {
snapshot_file(match) or_return
}
}
for match in matches {
if !strings.contains(match, ".snapshots") {
if os.is_dir(match) {
snapshot_directory(match)
}
}
}
return true
}
snapshot_file :: proc(path: string) -> bool {
fmt.printf("Testing snapshot %v", path)
snapshot_path := filepath.join(
elems = {
filepath.dir(path, context.temp_allocator),
"/.snapshots",
filepath.base(path),
},
allocator = context.temp_allocator,
)
formatted, ok := format_file(path, context.temp_allocator)
if !ok {
fmt.eprintf("Format failed on file %v", path)
return false
}
if os.exists(snapshot_path) {
if snapshot_data, ok := os.read_entire_file(
snapshot_path,
context.temp_allocator,
); ok {
snapshot_scanner := scanner.Scanner{}
scanner.init(&snapshot_scanner, string(snapshot_data))
formatted_scanner := scanner.Scanner{}
scanner.init(&formatted_scanner, string(formatted))
for {
s_ch := scanner.next(&snapshot_scanner)
f_ch := scanner.next(&formatted_scanner)
if s_ch == scanner.EOF && f_ch == scanner.EOF {
break
}
if s_ch == '\r' {
if scanner.peek(&snapshot_scanner) == '\n' {
s_ch = scanner.next(&snapshot_scanner)
}
}
if f_ch == '\r' {
if scanner.peek(&formatted_scanner) == '\n' {
f_ch = scanner.next(&formatted_scanner)
}
}
if s_ch != f_ch {
fmt.eprintf(
"\nFormatted file was different from snapshot file: %v",
snapshot_path,
)
os.write_entire_file(
fmt.tprintf("%v_failed", snapshot_path),
transmute([]u8)formatted,
)
return false
}
}
os.remove(fmt.tprintf("%v_failed", snapshot_path))
} else {
fmt.eprintf("Failed to read snapshot file %v", snapshot_path)
return false
}
} else {
os.make_directory(filepath.dir(snapshot_path, context.temp_allocator))
ok = os.write_entire_file(snapshot_path, transmute([]byte)formatted)
if !ok {
fmt.eprintf("Failed to write snapshot file %v", snapshot_path)
return false
}
}
fmt.print(" - SUCCESS \n")
return true
}
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