use cargotest::ChannelChanger;
use cargotest::support::{basic_bin_manifest, execs, main_file, project};
use hamcrest::{assert_that, existing_file, is_not};

#[test]
fn cargo_build_plan_simple() {
    let p = project("foo")
        .file("Cargo.toml", &basic_bin_manifest("foo"))
        .file("src/foo.rs", &main_file(r#""i am foo""#, &[]))
        .build();

    assert_that(
        p.cargo("build")
            .masquerade_as_nightly_cargo()
            .arg("--build-plan")
            .arg("-Zunstable-options"),
        execs().with_status(0).with_json(
            r#"
    {
        "inputs": [
            "[..][/]foo[/]Cargo.toml"
        ],
        "invocations": [
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": "{...}",
                "package_name": "foo",
                "package_version": "0.5.0",
                "program": "rustc",
                "target_kind": ["bin"]
            }
        ]
    }
    "#,
        ),
    );
    assert_that(&p.bin("foo"), is_not(existing_file()));
}

#[test]
fn cargo_build_plan_single_dep() {
    let p = project("foo")
        .file(
            "Cargo.toml",
            r#"
            [package]
            name = "foo"
            authors = []
            version = "0.5.0"

            [dependencies]
            bar = { path = "bar" }
        "#,
        )
        .file(
            "src/lib.rs",
            r#"
            extern crate bar;
            pub fn foo() { bar::bar(); }

            #[test]
            fn test() { foo(); }
        "#,
        )
        .file(
            "bar/Cargo.toml",
            r#"
            [package]
            name = "bar"
            version = "0.0.1"
            authors = []
        "#,
        )
        .file("bar/src/lib.rs", "pub fn bar() {}")
        .build();
    assert_that(
        p.cargo("build")
            .masquerade_as_nightly_cargo()
            .arg("--build-plan")
            .arg("-Zunstable-options"),
        execs().with_status(0).with_json(
            r#"
    {
        "inputs": [
            "[..][/]foo[/]Cargo.toml",
            "[..][/]foo[/]bar[/]Cargo.toml"
        ],
        "invocations": [
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": [
                    "[..][/]foo[/]target[/]debug[/]deps[/]libbar-[..].rlib"
                ],
                "package_name": "bar",
                "package_version": "0.0.1",
                "program": "rustc",
                "target_kind": ["lib"]
            },
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [0],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": [
                    "[..][/]foo[/]target[/]debug[/]deps[/]libfoo-[..].rlib"
                ],
                "package_name": "foo",
                "package_version": "0.5.0",
                "program": "rustc",
                "target_kind": ["lib"]
            }
        ]
    }
    "#,
        ),
    );
}

#[test]
fn cargo_build_plan_build_script() {
    let p = project("foo")
        .file(
            "Cargo.toml",
            r#"
            [project]

            name = "foo"
            version = "0.5.0"
            authors = ["wycats@example.com"]
            build = "build.rs"
        "#,
        )
        .file("src/main.rs", r#"fn main() {}"#)
        .file("build.rs", r#"fn main() {}"#)
        .build();

    assert_that(
        p.cargo("build")
            .masquerade_as_nightly_cargo()
            .arg("--build-plan")
            .arg("-Zunstable-options"),
        execs().with_status(0).with_json(
            r#"
    {
        "inputs": [
            "[..][/]foo[/]Cargo.toml"
        ],
        "invocations": [
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": [
                    "[..][/]foo[/]target[/]debug[/]build[/][..][/]build_script_build-[..]"
                ],
                "package_name": "foo",
                "package_version": "0.5.0",
                "program": "rustc",
                "target_kind": ["custom-build"]
            },
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [0],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": [],
                "package_name": "foo",
                "package_version": "0.5.0",
                "program": "[..][/]build-script-build",
                "target_kind": ["custom-build"]
            },
            {
                "args": "{...}",
                "cwd": "[..][/]target[/]cit[/][..][/]foo",
                "deps": [1],
                "env": "{...}",
                "kind": "Host",
                "links": "{...}",
                "outputs": "{...}",
                "package_name": "foo",
                "package_version": "0.5.0",
                "program": "rustc",
                "target_kind": ["bin"]
            }
        ]
    }
    "#,
        ),
    );
}