/
form_test.exs
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form_test.exs
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defmodule Phoenix.HTML.FormTest do
use ExUnit.Case, async: true
import Phoenix.HTML
import Phoenix.HTML.Form
doctest Phoenix.HTML.Form
defp form(map \\ %{}, opts \\ []) do
Phoenix.HTML.FormData.to_form(map, opts)
end
test "warns on string keys" do
assert ExUnit.CaptureIO.capture_io(:stderr, fn -> form(%{foo: 123}) end) =~
"a map with atom keys was given to a form. Maps are always considered parameters and " <>
"therefore must have string keys, got: %{foo: 123}"
end
describe "input_value/2" do
test "without form" do
assert input_value(:search, :key) == nil
assert input_value(:search, 1) == nil
assert input_value(:search, "key") == nil
end
test "with form" do
assert input_value(form(%{"key" => "value"}), :key) == "value"
assert input_value(form(%{"key" => "value"}), "key") == "value"
end
test "with form and data" do
form = %{form(%{"param_key" => "param"}) | data: %{data_key: "data"}}
assert input_value(form, :key) == nil
assert input_value(form, "key") == nil
assert input_value(form, :data_key) == "data"
assert input_value(form, :param_key) == "param"
assert input_value(form, "param_key") == "param"
end
end
describe "input_id/2" do
test "without form" do
assert input_id(:search, :key) == "search_key"
assert input_id(:search, "key") == "search_key"
end
test "with form" do
assert input_id(form(%{}, as: "search"), :key) == "search_key"
assert input_id(form(%{}, as: :search), "key") == "search_key"
end
test "with form with no name" do
assert input_id(form(), :key) == "key"
end
end
describe "input_id/3" do
test "without form" do
assert input_id(:search, :key, "") == "search_key_"
assert input_id(:search, :key, "foo") == "search_key_foo"
assert input_id(:search, :key, "foo bar") == "search_key_foo_bar"
assert input_id(:search, :key, "Foo baR") == "search_key_Foo_baR"
assert input_id(:search, :key, "F✓o]o%b+a'R") == "search_key_F_o_o_b_a__39_R"
assert input_id(:search, :key, nil) == "search_key_"
assert input_id(:search, :key, 37) == "search_key_37"
assert input_id(:search, :key, 0) == "search_key_0"
assert input_id(:search, :key, -1) == "search_key__1"
end
test "with form with no name" do
assert input_id(form(), :key, :value) == "key_value"
end
end
describe "input_name/2" do
test "without form" do
assert input_name(:search, :key) == "search[key]"
assert input_name(:search, "key") == "search[key]"
end
test "with form" do
assert input_name(form(%{}, as: :search), :key) == "search[key]"
assert input_name(form(%{}, as: :search), "key") == "search[key]"
end
test "with form with no name" do
assert input_name(form(), :key) == "key"
assert input_name(form(), "key") == "key"
end
end
describe "normalize_value/2" do
test "for checkbox" do
assert normalize_value("checkbox", true) == true
assert normalize_value("checkbox", "true") == true
assert normalize_value("checkbox", 1) == false
assert normalize_value("checkbox", nil) == false
assert normalize_value("checkbox", false) == false
assert normalize_value("checkbox", "truthy") == false
end
test "for datetime-local" do
assert normalize_value("datetime-local", ~N[2017-09-21 20:21:53]) ==
{:safe, ["2017-09-21", ?T, "20:21"]}
assert normalize_value("datetime-local", "2017-09-21 20:21:53") ==
"2017-09-21 20:21:53"
assert normalize_value("datetime-local", "other") == "other"
end
test "for textarea" do
assert safe_to_string(normalize_value("textarea", "<other>")) == "\n<other>"
assert safe_to_string(normalize_value("textarea", "string")) == "\nstring"
assert safe_to_string(normalize_value("textarea", 1234)) == "\n1234"
assert safe_to_string(normalize_value("textarea", nil)) == "\n"
end
test "for anything else" do
assert normalize_value("foo", "<other>") == "<other>"
end
end
test "input_changed? with atom fields" do
form = form(%{})
refute input_changed?(form, form, :foo)
assert input_changed?(form, %{form | errors: [foo: "bar"]}, :foo)
assert input_changed?(form, %{form | name: "another"}, :foo)
assert input_changed?(form, %{form | id: "another"}, :foo)
assert input_changed?(form, form(%{"foo" => "bar"}), :foo)
end
test "input_changed? with string fields" do
form = form(%{})
refute input_changed?(form, form, "foo")
assert input_changed?(form, %{form | errors: [{"foo", "bar"}]}, "foo")
assert input_changed?(form, %{form | name: "another"}, "foo")
assert input_changed?(form, %{form | id: "another"}, "foo")
assert input_changed?(form, form(%{"foo" => "bar"}), "foo")
end
test "input_changed? with changed action or method" do
form = form(%{}, action: :validate)
refute input_changed?(form, %{form | action: :validate}, :foo)
assert input_changed?(form, %{form | action: :save}, :foo)
end
describe "access" do
test "without name and atom keys" do
form =
form(%{"key" => "value"})
|> Map.replace!(:errors, atom: "oops")
|> Map.replace!(:data, %{atom: "data"})
assert form[:key] == %Phoenix.HTML.FormField{
field: :key,
id: "key",
form: form,
value: "value",
name: "key",
errors: []
}
assert form[:atom] == %Phoenix.HTML.FormField{
field: :atom,
id: "atom",
form: form,
value: "data",
name: "atom",
errors: ["oops"]
}
end
test "with name and atom keys" do
form =
form(%{"key" => "value"}, as: :search)
|> Map.replace!(:errors, atom: "oops")
|> Map.replace!(:data, %{atom: "data"})
assert form[:key] == %Phoenix.HTML.FormField{
field: :key,
id: "search_key",
form: form,
value: "value",
name: "search[key]",
errors: []
}
assert form[:atom] == %Phoenix.HTML.FormField{
field: :atom,
id: "search_atom",
form: form,
value: "data",
name: "search[atom]",
errors: ["oops"]
}
end
test "without name and string keys" do
form =
form(%{"key" => "value"})
|> Map.replace!(:errors, [{"string", "oops"}])
|> Map.replace!(:data, %{"string" => "data"})
assert form["key"] == %Phoenix.HTML.FormField{
field: "key",
id: "key",
form: form,
value: "value",
name: "key",
errors: []
}
assert form["string"] == %Phoenix.HTML.FormField{
field: "string",
id: "string",
form: form,
value: "data",
name: "string",
errors: ["oops"]
}
end
test "with name and string keys" do
form =
form(%{"key" => "value"}, as: :search)
|> Map.replace!(:errors, [{"string", "oops"}])
|> Map.replace!(:data, %{"string" => "data"})
assert form["key"] == %Phoenix.HTML.FormField{
field: "key",
id: "search_key",
form: form,
value: "value",
name: "search[key]",
errors: []
}
assert form["string"] == %Phoenix.HTML.FormField{
field: "string",
id: "search_string",
form: form,
value: "data",
name: "search[string]",
errors: ["oops"]
}
end
end
describe "options_for_select/2" do
test "simple" do
assert options_for_select(~w(value novalue), "novalue") |> safe_to_string() ==
~s(<option value="value">value</option>) <>
~s(<option selected value="novalue">novalue</option>)
assert options_for_select(~w(value novalue), "novalue") |> safe_to_string() ==
~s(<option value="value">value</option>) <>
~s(<option selected value="novalue">novalue</option>)
assert options_for_select(
[
[value: "value", key: "Value", disabled: true],
[value: "novalue", key: "No Value"]
],
"novalue"
)
|> safe_to_string() ==
~s(<option disabled value="value">Value</option>) <>
~s(<option selected value="novalue">No Value</option>)
assert options_for_select(~w(value novalue), ["value", "novalue"]) |> safe_to_string() ==
~s(<option selected value="value">value</option>) <>
~s(<option selected value="novalue">novalue</option>)
end
test "with groups" do
assert options_for_select([{"foo", ~w(bar baz)}, {"qux", ~w(qux quz)}], "qux")
|> safe_to_string() ==
~s(<optgroup label="foo">) <>
~s(<option value="bar">bar</option>) <>
~s(<option value="baz">baz</option>) <>
~s(</optgroup>) <>
~s(<optgroup label="qux">) <>
~s(<option selected value="qux">qux</option>) <>
~s(<option value="quz">quz</option>) <> ~s(</optgroup>)
assert options_for_select([{"foo", ~w(bar baz)}, {"qux", ~w(qux quz)}], ["baz", "qux"])
|> safe_to_string() ==
~s(<optgroup label="foo">) <>
~s(<option value="bar">bar</option>) <>
~s(<option selected value="baz">baz</option>) <>
~s(</optgroup>) <>
~s(<optgroup label="qux">) <>
~s(<option selected value="qux">qux</option>) <>
~s(<option value="quz">quz</option>) <> ~s(</optgroup>)
end
end
describe "to_form/4" do
defp nested_form(field, opts \\ []) do
map = %{
"date" => %{"year" => "2020", "month" => "4", "day" => "17"},
"dates" => %{
"0" => %{"year" => "2010", "month" => "4", "day" => "17"},
"1" => %{"year" => "2020", "month" => "4", "day" => "17"}
}
}
form = Phoenix.HTML.FormData.to_form(map, as: "search")
Phoenix.HTML.FormData.to_form(map, form, field, opts)
end
## Cardinality one
test "one: without default and field is not present" do
[f] = nested_form(:unknown)
assert f.index == nil
assert f.impl == Phoenix.HTML.FormData.Map
assert %Phoenix.HTML.FormField{
id: "search_unknown_year",
name: "search[unknown][year]",
field: :year,
value: nil
} = f[:year]
end
test "one: without default and field is present" do
[f] = nested_form(:date)
assert %Phoenix.HTML.FormField{
id: "search_date_year",
name: "search[date][year]",
field: :year,
value: "2020"
} = f[:year]
end
test "one: with default and field is not present" do
[f] = nested_form(:unknown, default: %{year: 2015})
assert %Phoenix.HTML.FormField{
id: "search_unknown_year",
name: "search[unknown][year]",
field: :year,
value: 2015
} = f[:year]
end
test "one: with default and field is present" do
[f] = nested_form(:date, default: %{year: 2015})
assert %Phoenix.HTML.FormField{
id: "search_date_year",
name: "search[date][year]",
field: :year,
value: "2020"
} = f[:year]
end
test "one: with custom name and id" do
[f] = nested_form(:date, as: :foo, id: :bar)
assert %Phoenix.HTML.FormField{
id: "bar_year",
name: "foo[year]",
field: :year,
value: "2020"
} = f[:year]
end
# ## Cardinality many
test "many: with defaults" do
[f1, f2] = nested_form(:unknown, default: [%{}, %{}])
assert f1.index == 0
assert %Phoenix.HTML.FormField{
id: "search_unknown_0_year",
name: "search[unknown][0][year]",
field: :year,
value: nil
} = f1[:year]
assert f2.index == 1
assert %Phoenix.HTML.FormField{
id: "search_unknown_1_year",
name: "search[unknown][1][year]",
field: :year,
value: nil
} = f2[:year]
end
test "many: with default and field is present" do
[f1, f2] = nested_form(:dates, default: [%{year: 1000}, %{year: 1001}])
assert %Phoenix.HTML.FormField{
id: "search_dates_0_year",
name: "search[dates][0][year]",
field: :year,
value: "2010"
} = f1[:year]
assert %Phoenix.HTML.FormField{
id: "search_dates_1_year",
name: "search[dates][1][year]",
field: :year,
value: "2020"
} = f2[:year]
end
test "many: with name and id" do
[f1, f2] = nested_form(:dates, default: [%{year: 1000}, %{year: 1001}], as: :foo, id: :bar)
assert %Phoenix.HTML.FormField{
id: "bar_0_year",
name: "foo[0][year]",
field: :year,
value: "2010"
} = f1[:year]
assert %Phoenix.HTML.FormField{
id: "bar_1_year",
name: "foo[1][year]",
field: :year,
value: "2020"
} = f2[:year]
end
@prepend_append [
prepend: [%{year: 2008}],
append: [%{year: 2022}],
default: [%{year: 2012}, %{year: 2018}]
]
test "many: inputs_for/4 with prepend/append and field is not present" do
[f0, f1, f2, f3] = nested_form(:unknown, @prepend_append)
assert %Phoenix.HTML.FormField{
id: "search_unknown_0_year",
name: "search[unknown][0][year]",
field: :year,
value: 2008
} = f0[:year]
assert %Phoenix.HTML.FormField{
id: "search_unknown_1_year",
name: "search[unknown][1][year]",
field: :year,
value: 2012
} = f1[:year]
assert %Phoenix.HTML.FormField{
id: "search_unknown_2_year",
name: "search[unknown][2][year]",
field: :year,
value: 2018
} = f2[:year]
assert %Phoenix.HTML.FormField{
id: "search_unknown_3_year",
name: "search[unknown][3][year]",
field: :year,
value: 2022
} = f3[:year]
end
test "many: with prepend/append and field is present" do
[f1, f2] = nested_form(:dates, @prepend_append)
assert %Phoenix.HTML.FormField{
id: "search_dates_0_year",
name: "search[dates][0][year]",
field: :year,
value: "2010"
} = f1[:year]
assert %Phoenix.HTML.FormField{
id: "search_dates_1_year",
name: "search[dates][1][year]",
field: :year,
value: "2020"
} = f2[:year]
end
end
end