diff options
Diffstat (limited to 'guides')
| -rw-r--r-- | guides/source/active_record_querying.md | 11 | ||||
| -rw-r--r-- | guides/source/getting_started.md | 2 | ||||
| -rw-r--r-- | guides/source/testing.md | 15 |
3 files changed, 22 insertions, 6 deletions
diff --git a/guides/source/active_record_querying.md b/guides/source/active_record_querying.md index 4a4f814917..7355f6816c 100644 --- a/guides/source/active_record_querying.md +++ b/guides/source/active_record_querying.md @@ -76,6 +76,7 @@ The methods are: * `reorder` * `reverse_order` * `select` +* `distinct` * `uniq` * `where` @@ -580,10 +581,10 @@ ActiveModel::MissingAttributeError: missing attribute: <attribute> Where `<attribute>` is the attribute you asked for. The `id` method will not raise the `ActiveRecord::MissingAttributeError`, so just be careful when working with associations because they need the `id` method to function properly. -If you would like to only grab a single record per unique value in a certain field, you can use `uniq`: +If you would like to only grab a single record per unique value in a certain field, you can use `distinct`: ```ruby -Client.select(:name).uniq +Client.select(:name).distinct ``` This would generate SQL like: @@ -595,10 +596,10 @@ SELECT DISTINCT name FROM clients You can also remove the uniqueness constraint: ```ruby -query = Client.select(:name).uniq +query = Client.select(:name).distinct # => Returns unique names -query.uniq(false) +query.distinct(false) # => Returns all names, even if there are duplicates ``` @@ -1438,7 +1439,7 @@ Client.where(active: true).pluck(:id) # SELECT id FROM clients WHERE active = 1 # => [1, 2, 3] -Client.uniq.pluck(:role) +Client.distinct.pluck(:role) # SELECT DISTINCT role FROM clients # => ['admin', 'member', 'guest'] diff --git a/guides/source/getting_started.md b/guides/source/getting_started.md index a1d7e955c8..a1864c123e 100644 --- a/guides/source/getting_started.md +++ b/guides/source/getting_started.md @@ -103,7 +103,7 @@ To verify that you have everything installed correctly, you should be able to ru $ rails --version ``` -If it says something like "Rails 3.2.9", you are ready to continue. +If it says something like "Rails 4.0.0", you are ready to continue. ### Creating the Blog Application diff --git a/guides/source/testing.md b/guides/source/testing.md index 40bf2603c4..1937cbf17a 100644 --- a/guides/source/testing.md +++ b/guides/source/testing.md @@ -501,6 +501,21 @@ You also have access to three instance variables in your functional tests: * `@request` - The request * `@response` - The response +### Setting Headers and CGI variables + +Headers and cgi variables can be set directly on the `@request` +instance variable: + +```ruby +# setting a HTTP Header +@request.headers["Accepts"] = "text/plain, text/html" +get :index # simulate the request with custom header + +# setting a CGI variable +@request.headers["HTTP_REFERER"] = "http://example.com/home" +post :create # simulate the request with custom env variable +``` + ### Testing Templates and Layouts If you want to make sure that the response rendered the correct template and layout, you can use the `assert_template` |