Class: MySQLExpectations::Matchers::DatabaseOnlyHaveTables

Inherits:
Object
  • Object
show all
Defined in:
lib/mysql_expectations/matchers/database_only_have_tables.rb

Overview

A matcher that checks what tables are in a database

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*expected_table_names) ⇒ DatabaseOnlyHaveTables

Returns a new instance of DatabaseOnlyHaveTables.



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 16

def initialize(*expected_table_names)
  @expected_table_names = expected_table_names.flatten
  @database = nil
end

Instance Attribute Details

#actual_table_names ⇒ Object (readonly)

Returns the value of attribute actual_table_names.



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 14

def actual_table_names
  @actual_table_names
end

#database ⇒ Object (readonly)

Returns the value of attribute database.



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 14

def database
  @database
end

#expected_table_names ⇒ Object (readonly)

Returns the value of attribute expected_table_names.



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 14

def expected_table_names
  @expected_table_names
end

Instance Method Details

#additional_tables_message ⇒ Object 



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 38

def additional_tables_message
  message = ''
  unless (actual_table_names - expected_table_names).empty?
    message << ' but had additional tables: '
    message <<
      (actual_table_names - expected_table_names).to_sentence
  end
  message
end

#description ⇒ Object 



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 34

def description
  "only have tables #{expected_table_names.to_sentence}"
end

#failure_message ⇒ Object 



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 58

def failure_message
  message = "expected '#{database.name}' "
  message << 'database to only have tables '
  message << expected_table_names.to_sentence
  message << additional_tables_message
  message << missing_tables_message
  message
end

#liquibase_tables ⇒ Object 



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 21

def liquibase_tables
  %w(DATABASECHANGELOG DATABASECHANGELOGLOCK)
end

#matches?(database) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 29

def matches?(database)
  @database = database
  actual_table_names.sort == expected_table_names.sort
end

#missing_tables_message ⇒ Object 



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# File 'lib/mysql_expectations/matchers/database_only_have_tables.rb', line 48

def missing_tables_message
  message = ''
  unless (expected_table_names - actual_table_names).empty?
    message << ' but was missing tables: '
    message <<
      (expected_table_names - actual_table_names).to_sentence
  end
  message
end