Added snippets for some shoulda helper methods.

Signed-off-by: Reza Jelveh <toyb0mb@gmx.net>

Signed-off-by: Martin Grenfell <martin_grenfell@msn.com>

ruby-shoulda/context.snippet

@@ -0,0 +1,5 @@
+context "${1:context}" do
+
+	${2}
+
+end

ruby-shoulda/samao.snippet

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+should_allow_mass_assignment_of :${1:field}

ruby-shoulda/savf.snippet

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+should_allow_values_for :${1:field}, "${2:value}"

ruby-shoulda/sbt.snippet

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+should_belong_to :${1:field}

ruby-shoulda/selir.snippet

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+should_ensure_length_in_range :${1:field}, ${2:start}..${3:end}

ruby-shoulda/setup.snippet

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+setup do
+	${1}
+end

ruby-shoulda/sevir.snippet

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+should_ensure_value_in_range :${1:field}, ${2:start}..${3:end}

ruby-shoulda/shm.snippet

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+should_have_many :${1:field}

ruby-shoulda/snamao.snippet

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+should_not_allow_mass_assignment_of :${1:field}

ruby-shoulda/snavf.snippet

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+should_not_allow_values_for :${1:field}, "${2:value}"

ruby-shoulda/svao.snippet

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+should_validate_acceptance_of :${1:field}

ruby-shoulda/svno.snippet

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+should_validate_numericality_of :${1:field}

ruby-shoulda/svpo.snippet

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+should_validate_presence_of :${1:field}

ruby-shoulda/svuo.snippet

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+should_validate_uniqueness_of :${1:field}, :scoped_to => ${2:arrayofnames}