|
| 1 | +use crate::{builder::Builder, cli::prompt::Prompt}; |
| 2 | +use anyhow::Result; |
| 3 | +use byte_unit::Byte; |
| 4 | +use serde::{Deserialize, Serialize}; |
| 5 | +use validator::Validate; |
| 6 | + |
1 | 7 | /// Absolute size of an image element. |
| 8 | +#[derive(Clone, Serialize, Deserialize, Debug)] |
2 | 9 | pub struct Size(String); |
| 10 | + |
| 11 | +impl Default for Size { |
| 12 | + fn default() -> Self { |
| 13 | + Self("16G".to_string()) |
| 14 | + } |
| 15 | +} |
| 16 | + |
| 17 | +impl Prompt for Size { |
| 18 | + fn prompt(&mut self, builder: &Builder) -> Result<()> { |
| 19 | + todo!() |
| 20 | + } |
| 21 | +} |
| 22 | + |
| 23 | +impl Validate for Size { |
| 24 | + fn validate(&self) -> std::result::Result<(), validator::ValidationErrors> { |
| 25 | + // Try to parse the size string using byte-unit |
| 26 | + match self.0.parse::<Byte>() { |
| 27 | + Ok(byte) => { |
| 28 | + // Ensure the size is greater than zero |
| 29 | + if byte.as_u64() == 0 { |
| 30 | + let mut errors = validator::ValidationErrors::new(); |
| 31 | + errors.add( |
| 32 | + "size", |
| 33 | + validator::ValidationError::new("Size must be greater than zero"), |
| 34 | + ); |
| 35 | + return Err(errors); |
| 36 | + } |
| 37 | + Ok(()) |
| 38 | + } |
| 39 | + Err(_) => { |
| 40 | + let mut errors = validator::ValidationErrors::new(); |
| 41 | + errors.add( |
| 42 | + "size", |
| 43 | + validator::ValidationError::new("Invalid size format. Expected format: number followed by unit (e.g., '16G', '512M', '1T')"), |
| 44 | + ); |
| 45 | + Err(errors) |
| 46 | + } |
| 47 | + } |
| 48 | + } |
| 49 | +} |
| 50 | + |
| 51 | +#[cfg(test)] |
| 52 | +mod tests { |
| 53 | + use super::*; |
| 54 | + |
| 55 | + #[test] |
| 56 | + fn test_valid_sizes() { |
| 57 | + // Test various valid size formats |
| 58 | + let sizes = vec![ |
| 59 | + "16G", |
| 60 | + "16GB", |
| 61 | + "512M", |
| 62 | + "512MB", |
| 63 | + "1T", |
| 64 | + "1TB", |
| 65 | + "2048K", |
| 66 | + "2048KB", |
| 67 | + "1024", |
| 68 | + "1 GB", |
| 69 | + "1.5 GB", |
| 70 | + "100 MiB", |
| 71 | + "16GiB", |
| 72 | + ]; |
| 73 | + |
| 74 | + for size_str in sizes { |
| 75 | + let size = Size(size_str.to_string()); |
| 76 | + assert!( |
| 77 | + size.validate().is_ok(), |
| 78 | + "Expected '{}' to be valid", |
| 79 | + size_str |
| 80 | + ); |
| 81 | + } |
| 82 | + } |
| 83 | + |
| 84 | + #[test] |
| 85 | + fn test_invalid_sizes() { |
| 86 | + // Test various invalid size formats |
| 87 | + let invalid_sizes = vec![ |
| 88 | + "", // Empty string |
| 89 | + "abc", // No numbers |
| 90 | + "G16", // Unit before number |
| 91 | + "16X", // Invalid unit |
| 92 | + "hello world", // Completely invalid |
| 93 | + ]; |
| 94 | + |
| 95 | + for size_str in invalid_sizes { |
| 96 | + let size = Size(size_str.to_string()); |
| 97 | + assert!( |
| 98 | + size.validate().is_err(), |
| 99 | + "Expected '{}' to be invalid", |
| 100 | + size_str |
| 101 | + ); |
| 102 | + } |
| 103 | + } |
| 104 | + |
| 105 | + #[test] |
| 106 | + fn test_zero_size() { |
| 107 | + // Test that zero size is rejected |
| 108 | + let size = Size("0".to_string()); |
| 109 | + assert!( |
| 110 | + size.validate().is_err(), |
| 111 | + "Expected zero size to be invalid" |
| 112 | + ); |
| 113 | + |
| 114 | + let size = Size("0GB".to_string()); |
| 115 | + assert!( |
| 116 | + size.validate().is_err(), |
| 117 | + "Expected zero size to be invalid" |
| 118 | + ); |
| 119 | + } |
| 120 | + |
| 121 | + #[test] |
| 122 | + fn test_default_size() { |
| 123 | + // Test that the default size is valid |
| 124 | + let size = Size::default(); |
| 125 | + assert!( |
| 126 | + size.validate().is_ok(), |
| 127 | + "Expected default size '{}' to be valid", |
| 128 | + size.0 |
| 129 | + ); |
| 130 | + } |
| 131 | + |
| 132 | + #[test] |
| 133 | + fn test_large_sizes() { |
| 134 | + // Test large sizes |
| 135 | + let sizes = vec![ |
| 136 | + "1000T", |
| 137 | + "1000TB", |
| 138 | + "1PB", |
| 139 | + "100000GB", |
| 140 | + ]; |
| 141 | + |
| 142 | + for size_str in sizes { |
| 143 | + let size = Size(size_str.to_string()); |
| 144 | + assert!( |
| 145 | + size.validate().is_ok(), |
| 146 | + "Expected large size '{}' to be valid", |
| 147 | + size_str |
| 148 | + ); |
| 149 | + } |
| 150 | + } |
| 151 | + |
| 152 | + #[test] |
| 153 | + fn test_bytes_only() { |
| 154 | + // Test sizes specified in bytes only |
| 155 | + let size = Size("1073741824".to_string()); // 1GB in bytes |
| 156 | + assert!( |
| 157 | + size.validate().is_ok(), |
| 158 | + "Expected bytes-only size to be valid" |
| 159 | + ); |
| 160 | + } |
| 161 | + |
| 162 | + #[test] |
| 163 | + fn test_binary_vs_decimal_units() { |
| 164 | + // Test both binary (GiB) and decimal (GB) units |
| 165 | + let size_binary = Size("16GiB".to_string()); |
| 166 | + assert!( |
| 167 | + size_binary.validate().is_ok(), |
| 168 | + "Expected binary unit GiB to be valid" |
| 169 | + ); |
| 170 | + |
| 171 | + let size_decimal = Size("16GB".to_string()); |
| 172 | + assert!( |
| 173 | + size_decimal.validate().is_ok(), |
| 174 | + "Expected decimal unit GB to be valid" |
| 175 | + ); |
| 176 | + } |
| 177 | +} |
0 commit comments