// Checks that the interactions with the source code pages are working as expected.
go-to: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html"
show-text: true
// Check that we can click on the line number.
click: ".src-line-numbers > a:nth-child(4)" // This is the anchor for line 4.
// Ensure that the page URL was updated.
assert-document-property: ({"URL": "lib.rs.html#4"}, ENDS_WITH)
assert-attribute: ("//*[@id='4']", {"class": "line-highlighted"})
// Ensure that the default style, with the right border, isn't used.
assert-css: ("//*[@id='4']", {"border-right-width": "0px"})
reload:
assert-attribute: ("//*[@id='4']", {"class": "line-highlighted"})
assert-css: ("//*[@id='4']", {"border-right-width": "0px"})
// We now check that the good anchors are highlighted
go-to: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#4-6"
assert-attribute-false: (".src-line-numbers > a:nth-child(3)", {"class": "line-highlighted"})
assert-attribute: (".src-line-numbers > a:nth-child(4)", {"class": "line-highlighted"})
assert-attribute: (".src-line-numbers > a:nth-child(5)", {"class": "line-highlighted"})
assert-attribute: (".src-line-numbers > a:nth-child(6)", {"class": "line-highlighted"})
assert-attribute-false: (".src-line-numbers > a:nth-child(7)", {"class": "line-highlighted"})

define-function: (
    "check-colors",
    (theme, color, background_color, highlight_color, highlight_background_color),
    block {
        set-local-storage: {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}
        reload:
        assert-css: (
            ".src-line-numbers > a:not(.line-highlighted)",
            {"color": |color|, "background-color": |background_color|},
            ALL,
        )
        assert-css: (
            ".src-line-numbers > a.line-highlighted",
            {"color": |highlight_color|, "background-color": |highlight_background_color|},
            ALL,
        )
    },
)

call-function: ("check-colors", {
    "theme": "ayu",
    "color": "rgb(92, 103, 115)",
    "background_color": "rgba(0, 0, 0, 0)",
    "highlight_color": "rgb(112, 128, 144)",
    "highlight_background_color": "rgba(255, 236, 164, 0.06)",
})
call-function: ("check-colors", {
    "theme": "dark",
    "color": "rgb(59, 145, 226)",
    "background_color": "rgba(0, 0, 0, 0)",
    "highlight_color": "rgb(59, 145, 226)",
    "highlight_background_color": "rgb(10, 4, 47)",
})
call-function: ("check-colors", {
    "theme": "light",
    "color": "rgb(198, 126, 45)",
    "background_color": "rgba(0, 0, 0, 0)",
    "highlight_color": "rgb(198, 126, 45)",
    "highlight_background_color": "rgb(253, 255, 211)",
})

// This is to ensure that the content is correctly align with the line numbers.
compare-elements-position: ("//*[@id='1']", ".rust > code > span", ("y"))
// Check the `href` property so that users can treat anchors as links.
assert-property: (".src-line-numbers > a:nth-child(1)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#1"
})
assert-property: (".src-line-numbers > a:nth-child(2)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#2"
})
assert-property: (".src-line-numbers > a:nth-child(3)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#3"
})
assert-property: (".src-line-numbers > a:nth-child(4)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#4"
})
assert-property: (".src-line-numbers > a:nth-child(5)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#5"
})
assert-property: (".src-line-numbers > a:nth-child(6)", {
    "href": "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html#6"
})

// Assert that the line numbers text is aligned to the right.
assert-css: (".src-line-numbers", {"text-align": "right"})

// Now let's check that clicking on something else than the line number doesn't
// do anything (and certainly not add a `#NaN` to the URL!).
go-to: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html"
// We use this assert-position to know where we will click.
assert-position: ("//*[@id='1']", {"x": 88, "y": 112})
// We click on the left of the "1" anchor but still in the "src-line-number" `<pre>`.
click: (87, 103)
assert-document-property: ({"URL": "/lib.rs.html"}, ENDS_WITH)

// Checking the source code sidebar.

// First we "open" it.
click: "#src-sidebar-toggle"
assert: ".source-sidebar-expanded"

// We check that the first entry of the sidebar is collapsed
assert-property: ("#source-sidebar details:first-of-type", {"open": "false"})
assert-text: ("#source-sidebar details:first-of-type > summary", "extend_css")
// We now click on it.
click: "#source-sidebar details:first-of-type > summary"
assert-property: ("#source-sidebar details:first-of-type", {"open": "true"})

// And now we collapse it again.
click: "#source-sidebar details:first-of-type > summary"
assert-property: ("#source-sidebar details:first-of-type", {"open": "false"})

// And open it again, since it'll be the reference we use to check positions.
click: "#source-sidebar details:first-of-type > summary"
assert-property: ("#source-sidebar details:first-of-type", {"open": "true"})

// Check the sidebar directory entries have a marker and spacing (desktop).
store-property: (
    link_height,
    "#source-sidebar > details:first-of-type.dir-entry[open] > .files > a",
    "offsetHeight"
)
define-function: (
    "check-sidebar-dir-entry",
    (x, y),
    block {
        assert: "details:first-of-type.dir-entry[open] > summary::marker"
        assert-css: ("#source-sidebar > details:first-of-type.dir-entry", {"padding-left": "4px"})
        // This check ensures that the summary is only one line.
        assert-property: (
            "#source-sidebar > details:first-of-type.dir-entry[open] > summary",
            {"offsetHeight": |link_height|}
        )
        assert-position: (
            "#source-sidebar > details:first-of-type.dir-entry[open] > summary",
            {"x": |x|, "y": |y|}
        )
        assert-property: (
            "#source-sidebar > details:first-of-type.dir-entry[open] > .files > a",
            {"offsetHeight": |link_height|}
        )
        assert-position: (
            "#source-sidebar > details:first-of-type.dir-entry[open] > .files > a",
            // left margin
            {"x": |x| + 27, "y": |y| + |link_height|}
        )
    }
)
store-property: (
    source_sidebar_title_height,
    "#source-sidebar > .title",
    "offsetHeight"
)
store-property: (
    source_sidebar_title_y,
    "#source-sidebar > .title",
    "offsetTop"
)
call-function: ("check-sidebar-dir-entry", {
    "x": 0,
    // border + margin = 6
    "y": |source_sidebar_title_y| + |source_sidebar_title_height| + 6,
})

// Check the search form
assert-css: ("nav.sub", {"flex-direction": "row"})
// The goal of this test is to ensure the search input is perfectly centered
// between the top of the page and the top of the gray code block.
// To check this, we maintain the invariant:
//
// offsetTop[nav.sub form] = offsetTop[#main-content] - offsetHeight[nav.sub form] - offsetTop[nav.sub form]
assert-property: ("nav.sub form", {"offsetTop": 28, "offsetHeight": 34})
assert-property: ("#main-content", {"offsetTop": 90})
// 28 = 90 - 34 - 28

// Now do the same check on moderately-sized, tablet mobile.
set-window-size: (700, 700)
assert-css: ("nav.sub", {"flex-direction": "row"})
assert-property: ("nav.sub form", {"offsetTop": 21, "offsetHeight": 34})
assert-property: ("#main-content", {"offsetTop": 76})
// 21 = 76 - 34 - 21

// Check the sidebar directory entries have a marker and spacing (tablet).
store-property: (
    source_sidebar_title_height,
    "#source-sidebar > .title",
    "offsetHeight"
)
store-property: (
    source_sidebar_title_y,
    "#source-sidebar > .title",
    "offsetTop"
)
call-function: ("check-sidebar-dir-entry", {
    "x": 0,
    "y": |source_sidebar_title_y| + |source_sidebar_title_height| + 6,
})

// Tiny, phone mobile gets a different display where the logo is stacked on top.
set-window-size: (450, 700)
assert-css: ("nav.sub", {"flex-direction": "column"})

// Check the sidebar directory entries have a marker and spacing (phone).
store-property: (
    source_sidebar_title_height,
    "#source-sidebar > .title",
    "offsetHeight"
)
store-property: (
    source_sidebar_title_y,
    "#source-sidebar > .title",
    "offsetTop"
)
call-function: ("check-sidebar-dir-entry", {
    "x": 0,
    "y": |source_sidebar_title_y| + |source_sidebar_title_height| + 6,
})

// Now we check that the logo has a bottom margin so it's not stuck to the search input.
assert-css: (".sub-logo-container > img", {"margin-bottom": "8px"})
store-property: (logo_height, ".sub-logo-container", "clientHeight")
assert-position: (".search-form", {"y": |logo_height| + 8})