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dagger/tests/tasks/diff/diff.cue
Erik Sipsma b67d2d44ad Add support for Merge and Diff fs operations.
Signed-off-by: Erik Sipsma <erik@sipsma.dev>
2022-03-10 20:22:14 -08:00

82 lines
1.6 KiB
CUE

package main
import (
"dagger.io/dagger"
)
dagger.#Plan & {
actions: {
alpineBase: dagger.#Pull & {
source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3"
}
busyboxBase: dagger.#Pull & {
source: "busybox:1.34.1@sha256:1286c6d3c393023ef93c247724a6a2d665528144ffe07bacb741cc2b4edfefad"
}
exec1: dagger.#Exec & {
input: alpineBase.output
args: [
"sh", "-c",
#"""
mkdir /dir && echo -n foo > /dir/foo && echo -n removeme > /removeme
"""#,
]
}
exec2: dagger.#Exec & {
input: exec1.output
args: [
"sh", "-c",
#"""
echo -n bar > /dir/bar && rm removeme
"""#,
]
}
removeme: dagger.#WriteFile & {
input: dagger.#Scratch
path: "/removeme"
contents: "removeme"
}
test: {
diff: dagger.#Diff & {
lower: alpineBase.output
upper: exec2.output
}
verify_diff_foo: dagger.#ReadFile & {
input: diff.output
path: "/dir/foo"
} & {
contents: "foo"
}
verify_diff_bar: dagger.#ReadFile & {
input: diff.output
path: "/dir/bar"
} & {
contents: "bar"
}
mergediff: dagger.#Merge & {
inputs: [
busyboxBase.output,
removeme.output,
diff.output,
]
}
verify_remove: dagger.#Exec & {
input: mergediff.output
args: ["test", "!", "-e", "/removeme"]
}
verify_no_alpine_base: dagger.#Exec & {
input: mergediff.output
// make sure the the Diff actually separated files from the base
// by testing the non-existence of a file that only exists in the
// alpine base, not busybox
args: ["test", "!", "-e", "/etc/alpine-release"]
}
}
}
}