Struct MockEnv 

pub struct MockEnv { /* private fields */ }

Mock environment provider for testing.

Provides an isolated environment that doesn’t affect the real process environment.

Example

use xerv_core::testing::{MockEnv, EnvProvider};

let env = MockEnv::new()
    .with_var("API_KEY", "test-key")
    .with_var("DEBUG", "true");

assert_eq!(env.var("API_KEY"), Some("test-key".to_string()));
assert_eq!(env.var("DEBUG"), Some("true".to_string()));
assert_eq!(env.var("MISSING"), None);

Implementations

impl MockEnv

pub fn new() -> Self

Create a new empty mock environment.

pub fn with_vars(vars: HashMap<String, String>) -> Self

Create a mock environment with the given variables.

pub fn with_var(self, key: impl Into<String>, value: impl Into<String>) -> Self

Add a variable to the mock environment.

pub fn from_pairs(pairs: &[(&str, &str)]) -> Self

Create a mock environment from key-value pairs.

pub fn clear(&self)

Clear all variables.

pub fn len(&self) -> usize

Get the number of variables.

pub fn is_empty(&self) -> bool

Check if the environment is empty.

Trait Implementations

impl Default for MockEnv

fn default() -> Self

Returns the “default value” for a type.

impl EnvProvider for MockEnv

fn var(&self, key: &str) -> Option<String>

Get an environment variable.

fn set_var(&self, key: &str, value: &str)

Set an environment variable.

fn remove_var(&self, key: &str)

Remove an environment variable.

fn vars(&self) -> HashMap<String, String>

Get all environment variables.

fn is_mock(&self) -> bool

Check if this is a mock provider.