Links acting like buttons have a few disadvantages.
First, screen readers will announce them as "links". Screen reader users
usually associate links with "things that get you somewhere" and buttons
with "things that perform an action". So when something like "Delete,
link" is announced, they'll probably think this is a link which will
take them to another page where they can delete a record.
Furthermore, the URL of the link for the "destroy" action might be the
same as the URL for the "show" action (only one is accessed with a
DELETE request and the other one with a GET request). That means screen
readers could announce the link like "Delete, visited link", which is
very confusing.
They also won't work when opening links in a new tab, since opening
links in a new tab always results in a GET request to the URL the link
points to.
Finally, submit buttons work without JavaScript enabled, so they'll work
even if the JavaScript in the page hasn't loaded (for whatever reason).
For all these reasons (and probably many more), using a button to send
forms is IMHO superior to using links.
There's one disadvantage, though. Using `button_to` we create a <form>
tag, which means we'll generate invalid HTML if the table is inside
another form. If we run into this issue, we need to use `button_tag`
with a `form` attribute and then generate a form somewhere else inside
the HTML (with `content_for`).
Note we're using `button_to` with a block so it generates a <button>
tag. Using it in a different way the text would result in an <input />
tag, and input elements can't have pseudocontent added via CSS.
The following code could be a starting point to use the `button_tag`
with a `form` attribute. One advantage of this approach is screen
readers wouldn't announce "leaving form" while navigating through these
buttons. However, it doesn't work in Internet Explorer.
```
ERB:
<% content_for(:hidden_content, form_tag(path, form_options) {}) %>
<%= button_tag text, button_options %>
Ruby:
def form_id
path.gsub("/", "_")
end
def form_options
{ id: form_id, method: options[:method] }
end
def button_options
html_options.except(:method).merge(form: form_id)
end
Layout:
<%= content_for :hidden_content %> # Right before the `</body>`
```
182 lines
6.0 KiB
Ruby
182 lines
6.0 KiB
Ruby
require "rails_helper"
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describe "Admin banners magement", :admin do
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context "Index" do
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before do
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create(:banner, title: "Banner number one",
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description: "This is the text of banner number one and is not active yet",
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target_url: "http://www.url.com",
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post_started_at: (Date.current + 4.days),
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post_ended_at: (Date.current + 10.days),
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background_color: "#FF0000",
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font_color: "#FFFFFF")
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create(:banner, title: "Banner number two",
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description: "This is the text of banner number two and is not longer active",
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target_url: "http://www.url.com",
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post_started_at: (Date.current - 10.days),
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post_ended_at: (Date.current - 3.days),
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background_color: "#00FF00",
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font_color: "#FFFFFF")
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create(:banner, title: "Banner number three",
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description: "This is the text of banner number three",
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target_url: "http://www.url.com",
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post_started_at: (Date.current - 1.day),
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post_ended_at: (Date.current + 10.days),
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background_color: "#0000FF",
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font_color: "#FFFFFF")
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create(:banner, title: "Banner number four",
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description: "This is the text of banner number four",
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target_url: "http://www.url.com",
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post_started_at: (Date.current - 10.days),
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post_ended_at: (Date.current + 10.days),
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background_color: "#FFF000",
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font_color: "#FFFFFF")
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create(:banner, title: "Banner number five",
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description: "This is the text of banner number five",
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target_url: "http://www.url.com",
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post_started_at: (Date.current - 10.days),
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post_ended_at: (Date.current + 10.days),
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background_color: "#FFFF00",
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font_color: "#FFFFFF")
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end
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scenario "Index show active banners" do
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visit admin_banners_path(filter: "with_active")
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expect(page).to have_content("There are 3 banners")
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end
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scenario "Index show inactive banners" do
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visit admin_banners_path(filter: "with_inactive")
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expect(page).to have_content("There are 2 banners")
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end
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scenario "Index show all banners" do
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visit admin_banners_path
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expect(page).to have_content("There are 5 banners")
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end
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end
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scenario "Publish a banner" do
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visit admin_root_path
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within("#side_menu") do
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click_link "Site content"
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click_link "Manage banners"
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end
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click_link "Create banner"
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fill_in "Title", with: "Such banner"
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fill_in "Description", with: "many text wow link"
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fill_in "Link", with: "https://www.url.com"
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fill_in "Post started at", with: Date.current - 7.days
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fill_in "Post ended at", with: Date.current + 7.days
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fill_in "Background color", with: "#850000"
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fill_in "Font color", with: "#ffb2b2"
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within_fieldset("Sections where it will appear") { check "Proposals" }
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click_button "Save changes"
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expect(page).to have_content "Banner created successfully"
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visit proposals_path
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expect(page).to have_content "Such banner"
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expect(page).to have_link "Such banner many text wow link", href: "https://www.url.com"
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end
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scenario "Publish a banner with a translation different than the current locale" do
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visit new_admin_banner_path
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expect_to_have_language_selected "English"
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click_link "Remove language"
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select "Français", from: "add_language"
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fill_in "Title", with: "En Français"
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fill_in "Description", with: "Link en Français"
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fill_in "Link", with: "https://www.url.com"
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fill_in "Post started at", with: Date.current - 1.week
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fill_in "Post ended at", with: Date.current + 1.week
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click_button "Save changes"
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click_link "Edit"
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expect_to_have_language_selected "Français"
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expect(page).to have_field "Title", with: "En Français"
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end
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scenario "Update banner color when changing from color picker or text_field" do
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visit new_admin_banner_path
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fill_in "background_color_input", with: "#850000"
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fill_in "font_color_input", with: "#ffb2b2"
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fill_in "Title", with: "Fun with flags"
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expect(find("#background_color_input").value).to eq("#850000")
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expect(find("#font_color_input").value).to eq("#ffb2b2")
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end
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scenario "Edit banner with live refresh" do
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create(:banner, title: "Hello",
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description: "Wrong text",
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target_url: "http://www.url.com",
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post_started_at: (Date.current + 4.days),
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post_ended_at: (Date.current + 10.days),
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background_color: "#FF0000",
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font_color: "#FFFFFF")
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visit admin_root_path
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within("#side_menu") do
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click_link "Site content"
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click_link "Manage banners"
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end
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click_link "Edit"
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fill_in "Title", with: "Modified title"
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fill_in "Description", with: "Edited text"
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page.find("body").click
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within(".banner") do
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expect(page).to have_selector("h2", text: "Modified title")
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expect(page).to have_selector("h3", text: "Edited text")
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end
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click_button "Save changes"
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expect(page).to have_content "Banner updated successfully"
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expect(page).to have_content "Modified title"
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expect(page).to have_content "Edited text"
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expect(page).not_to have_content "Hello"
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expect(page).not_to have_content "Wrong text"
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end
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scenario "Delete a banner" do
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create(:banner, title: "Ugly banner",
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description: "Bad text",
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target_url: "http://www.url.com",
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post_started_at: (Date.current + 4.days),
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post_ended_at: (Date.current + 10.days),
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background_color: "#FF0000",
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font_color: "#FFFFFF")
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visit admin_banners_path
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expect(page).to have_content "Ugly banner"
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accept_confirm { click_button "Delete" }
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visit admin_root_path
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expect(page).not_to have_content "Ugly banner"
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end
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end
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