blackjack/
test_spec.rs

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// Copyright 2024 Ole Kliemann
// SPDX-License-Identifier: Apache-2.0

use crate::error::Result;
use schemars::{schema::RootSchema, schema_for, JsonSchema};
use serde::{Deserialize, Serialize};
use std::collections::{BTreeMap, HashSet};
use std::ffi::OsStr;
use std::path::{Path, PathBuf};
use tokio::fs::read_to_string;

#[derive(Default, Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct TestSpec {
    #[serde(default)]
    pub name: String,
    #[serde(default)]
    pub steps: Vec<StepSpec>,
    #[serde(skip_deserializing)]
    pub dir: PathBuf,
}

impl TestSpec {
    pub async fn new_from_file(dirname: PathBuf) -> Result<TestSpec> {
        let path = dirname.join(Path::new("test.yaml"));
        let data = read_to_string(path).await?;
        let mut testspec: TestSpec = serde_yaml::from_str(&data)?;
        if testspec.name == "" {
            let mut it = dirname.components();
            let n2 = it.next_back().map_or_else(
                || "".to_string(),
                |x| {
                    let x: &OsStr = x.as_ref();
                    x.to_str().unwrap_or_default().to_string()
                },
            );
            let n1 = it.next_back().map_or_else(
                || "".to_string(),
                |x| {
                    let x: &OsStr = x.as_ref();
                    x.to_str().unwrap_or_default().to_string()
                },
            );
            testspec.name = format!("{n1}-{n2}");
        }
        testspec.dir = dirname;
        Ok(testspec)
    }

    pub fn schema() -> RootSchema {
        schema_for!(TestSpec)
    }
}

#[derive(Default, Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct StepSpec {
    pub name: String,
    #[serde(default)]
    pub bucket: Vec<BucketSpec>,
    #[serde(default)]
    pub watch: Vec<WatchSpec>,
    #[serde(default)]
    pub apply: Vec<ApplySpec>,
    #[serde(default)]
    pub delete: Vec<ApplySpec>,
    #[serde(default)]
    pub sleep: u16,
    #[serde(default)]
    pub wait: Vec<WaitSpec>,
    #[serde(default)]
    pub assert: Vec<AssertSpec>,
}

#[derive(Default, Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct BucketSpec {
    pub name: String,
    pub operations: HashSet<BucketOperation>,
}

#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, Eq, Hash, PartialEq)]
#[serde(rename_all = "lowercase")]
pub enum BucketOperation {
    Create,
    Patch,
    Delete,
}

#[derive(Default, Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct WatchSpec {
    pub name: String,
    #[serde(default)]
    pub kind: String,
    #[serde(default)]
    pub group: String,
    #[serde(default)]
    pub version: String,
    #[serde(default)]
    pub labels: Option<BTreeMap<String, String>>,
    #[serde(default)]
    pub fields: Option<BTreeMap<String, String>>,
}

#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
#[serde(untagged)]
pub enum ApplySpec {
    File { file: String },
    Dir { dir: String },
}

#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct WaitSpec {
    pub target: String,
    pub condition: Expr,
    pub timeout: u16,
}

#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
pub struct AssertSpec {
    pub target: String,
    pub condition: Expr,
}

#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
#[serde(untagged)]
pub enum Expr {
    AndExpr { and: Vec<Expr> },
    OrExpr { or: Vec<Expr> },
    NotExpr { not: Box<Expr> },
    SizeExpr { size: usize },
    OneExpr { one: serde_json::Value },
    AllExpr { all: serde_json::Value },
}

impl std::fmt::Display for Expr {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Expr::AndExpr { and } => {
                let exprs: Vec<String> = and.iter().map(|e| format!("{}", e)).collect();
                write!(f, "AND({})", exprs.join(", "))
            }
            Expr::OrExpr { or } => {
                let exprs: Vec<String> = or.iter().map(|e| format!("{}", e)).collect();
                write!(f, "OR({})", exprs.join(", "))
            }
            Expr::NotExpr { not } => {
                write!(f, "NOT({})", not)
            }
            Expr::SizeExpr { size } => {
                write!(f, "size == {}", size)
            }
            Expr::OneExpr { one } => {
                write!(f, "ANY({})", one)
            }
            Expr::AllExpr { all } => {
                write!(f, "ALL({})", all)
            }
        }
    }
}