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Add prefix methods for Week and Quarter Types. #164

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Add prefix methods for Week and Quarter Types. #164

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909a042
Draft: add prefix methods for additional period types
Ianlmgoddard Apr 11, 2021
8c81985
remove micro and nanosecond, add Quarter
Ianlmgoddard Apr 20, 2021
7245520
fix runtests
Ianlmgoddard Apr 20, 2021
0e4fbaa
test prefix for Quarter
Ianlmgoddard Apr 21, 2021
abdb3f8
add test to check we error when no prefix is defined
Ianlmgoddard Apr 21, 2021
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ name = "Intervals"
uuid = "d8418881-c3e1-53bb-8760-2df7ec849ed5"
license = "MIT"
authors = ["Invenia Technical Computing"]
version = "1.5.0"
version = "1.5.1"

[deps]
Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
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9 changes: 9 additions & 0 deletions src/description.jl
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Expand Up @@ -61,8 +61,17 @@ end

prefix(::Type{Year}) = "Y"
prefix(::Type{Month}) = "Mo"
prefix(::Type{Week}) = "W"
prefix(::Type{Day}) = "D"
prefix(::Type{Hour}) = "H"
prefix(::Type{Minute}) = "M"
prefix(::Type{Second}) = "S"
prefix(::Type{Millisecond}) = "ms"

# `Quarter` defined after Julia1.6.
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@LilithHafner LilithHafner Jun 10, 2022

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Suggested change
# `Quarter` defined after Julia1.6.
# `Quarter` defined in Julia v1.6.

if VERSION >= v"1.6"
prefix(::Type{Quarter}) = "Q"
end

# informative error if no prefix is defined for the given type.
prefix(T::Type{<:Period}) = error("A prefix for period $T has not yet been defined")
Comment on lines +75 to +77
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@LilithHafner LilithHafner Jun 10, 2022

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If we'd like it to "just work" instead of throwing,

Suggested change
# informative error if no prefix is defined for the given type.
prefix(T::Type{<:Period}) = error("A prefix for period $T has not yet been defined")
# Full name if no prefix is defined.
prefix(T::Type{<:Period}) = string(T)

43 changes: 43 additions & 0 deletions test/anchoredinterval.jl
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Expand Up @@ -425,6 +425,30 @@ using Intervals: Bounded, Ending, Beginning, canonicalize, isunbounded
"($(repr(DateTime(2016, 9, 1))))",
),
),
(
AnchoredInterval{Week(-1)}(dt),
"(WE 2016-08-11 02:00:00]",
string(
if VERSION >= v"1.6.0"
"AnchoredInterval{$(repr(Week(-1))), DateTime, Open, Closed}"
else
"AnchoredInterval{$(repr(Week(-1))),DateTime,Open,Closed}"
end,
"($(repr(DateTime(2016, 8, 11, 2, 0, 0))))",
),
),
(
AnchoredInterval{Week(-1)}(ceil(dt, Week)),
"(WE 2016-08-15]",
string(
if VERSION >= v"1.6.0"
"AnchoredInterval{$(repr(Week(-1))), DateTime, Open, Closed}"
else
"AnchoredInterval{$(repr(Week(-1))),DateTime,Open,Closed}"
end,
"($(repr(DateTime(2016, 8, 15))))",
),
),
(
AnchoredInterval{Day(-1)}(DateTime(dt)),
"(DE 2016-08-11 02:00:00]",
Expand Down Expand Up @@ -516,6 +540,18 @@ using Intervals: Bounded, Ending, Beginning, canonicalize, isunbounded
),
]

# add test for `Quarter`, only defined after Julia1.6
if VERSION >= v"1.6"
entry = (AnchoredInterval{Quarter(-1)}(ceil(Date(dt), Quarter)),
"(QE 2016-10-01]",
string(
"AnchoredInterval{$(repr(Quarter(-1))), Date, Open, Closed}",
"($(repr(Date(2016, 10, 01))))",
),
)
push!(tests, entry)
end

for (interval, printed, shown) in tests
@test sprint(print, interval) == printed
@test string(interval) == printed
Expand Down Expand Up @@ -549,6 +585,13 @@ using Intervals: Bounded, Ending, Beginning, canonicalize, isunbounded
"AnchoredInterval{25,Char,Closed,Open}('a')"
end
@test sprint(show, interval) == shown

# Error if no prefix defined for the given period type
interval = AnchoredInterval{Microsecond(-1)}(Date(dt))
@test_throws ErrorException sprint(print, interval)

interval = AnchoredInterval{Nanosecond(-1)}(Date(dt))
@test_throws ErrorException sprint(print, interval)
end

@testset "equality" begin
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