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Merged
glennj merged 1 commit into from
Jul 1, 2026
+87 −52
Merged

[matrix] Add a Jinja test template #435

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54 changes: 54 additions & 0 deletions exercises/practice/matrix/.meta/template.j2
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Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
{{ header }}
teardown() {
rm input.txt
}
{% for idx, case in cases %}
@test "{{ case["description"] }}" {
{% if idx == 0 %}# {% endif %}[[ $BATS_RUN_SKIPPED == "true" ]] || skip
printf "%s\n" ${{ case["input"]["string"] | repr }} > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::{{ case["property"] }}(mtx, {{ case["input"]["index"] }})
}
'
assert_success
assert_output "{{ case["expected"] | join(" ") }}"
}
{% endfor %}
@test "can extract row from non-square matrix" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" $'1 2 3\n4 5 6\n7 8 9\n8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::row(mtx, 3)
}
'

assert_success
assert_output "7 8 9"
}

@test "can extract column from non-square matrix" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" $'1 2 3\n4 5 6\n7 8 9\n8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 3)
}
'

assert_success
assert_output "3 6 9 6"
}

85 changes: 33 additions & 52 deletions exercises/practice/matrix/test-matrix.bats
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Original file line number Diff line number Diff line change
@@ -1,16 +1,14 @@
#!/usr/bin/env bats
load bats-extra

# generated on 2026-06-30T23:03:29+00:00
teardown() {
rm input.txt
}

# row tests

@test "extract row from one number matrix" {
#[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1" > input.txt
# [[ $BATS_RUN_SKIPPED == "true" ]] || skip
printf "%s\n" $'1' > input.txt

run gawk '
@include "matrix"
Expand All @@ -19,15 +17,13 @@ teardown() {
print matrix::row(mtx, 1)
}
'

assert_success
assert_output "1"
}

@test "can extract row" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2" "3 4" > input.txt
printf "%s\n" $'1 2\n3 4' > input.txt

run gawk '
@include "matrix"
Expand All @@ -36,15 +32,13 @@ teardown() {
print matrix::row(mtx, 2)
}
'

assert_success
assert_output "3 4"
}

@test "extract row where numbers have different widths" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2" "10 20" > input.txt
printf "%s\n" $'1 2\n10 20' > input.txt

run gawk '
@include "matrix"
Expand All @@ -53,128 +47,115 @@ teardown() {
print matrix::row(mtx, 2)
}
'

assert_success
assert_output "10 20"
}

@test "can extract row from non-square matrix" {
@test "can extract row from non-square matrix with no corresponding column" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2 3" "4 5 6" "7 8 9" "8 7 6" > input.txt
printf "%s\n" $'1 2 3\n4 5 6\n7 8 9\n8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::row(mtx, 3)
print matrix::row(mtx, 4)
}
'

assert_success
assert_output "7 8 9"
assert_output "8 7 6"
}

@test "can extract row from non-square matrix with no corresponding column" {
@test "extract column from one number matrix" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2 3" "4 5 6" "7 8 9" "8 7 6" > input.txt
printf "%s\n" $'1' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::row(mtx, 4)
print matrix::column(mtx, 1)
}
'

assert_success
assert_output "8 7 6"
assert_output "1"
}

# column tests

@test "extract column from one number matrix" {
@test "can extract column" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1" > input.txt
printf "%s\n" $'1 2 3\n4 5 6\n7 8 9' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 1)
print matrix::column(mtx, 3)
}
'

assert_success
assert_output "1"
assert_output "3 6 9"
}

@test "can extract column" {
@test "can extract column from non-square matrix with no corresponding row" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2 3" "4 5 6" "7 8 9" > input.txt
printf "%s\n" $'1 2 3 4\n5 6 7 8\n9 8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 3)
print matrix::column(mtx, 4)
}
'

assert_success
assert_output "3 6 9"
assert_output "4 8 6"
}

@test "can extract column from non-square matrix" {
@test "extract column where numbers have different widths" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2 3" "4 5 6" "7 8 9" "8 7 6" > input.txt
printf "%s\n" $'89 1903 3\n18 3 1\n9 4 800' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 3)
print matrix::column(mtx, 2)
}
'

assert_success
assert_output "3 6 9 6"
assert_output "1903 3 4"
}

@test "can extract column from non-square matrix with no corresponding row" {
@test "can extract row from non-square matrix" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "1 2 3 4" "5 6 7 8" "9 8 7 6" > input.txt
printf "%s\n" $'1 2 3\n4 5 6\n7 8 9\n8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 4)
print matrix::row(mtx, 3)
}
'

assert_success
assert_output "4 8 6"
assert_output "7 8 9"
}

@test "extract column where numbers have different widths" {
@test "can extract column from non-square matrix" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip

printf "%s\n" "89 1903 3" "18 3 1" "9 4 800" > input.txt
printf "%s\n" $'1 2 3\n4 5 6\n7 8 9\n8 7 6' > input.txt

run gawk '
@include "matrix"
BEGIN {
matrix::read("input.txt", mtx)
print matrix::column(mtx, 2)
print matrix::column(mtx, 3)
}
'

assert_success
assert_output "1903 3 4"
assert_output "3 6 9 6"
}